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AMD K5 PR100

The AMD K5 was AMD's first in-house x86 processor and was introduced in march 1996. The AMD K5 wasn't a big success at that time because it was delayed and AMD's 90MHz and 100MHz parts were introduced 2 full years later Intel's Pentium at 90MHz and 100MHz.

Architecture-wise the K5 was quite ambitious. The die consists of 4,3 million transistors which is quite a lot more compared to the Pentium P54C that has 3,3 million transistors. Because of this large design the K5 didn't scale well so it took AMD quite some effort to get faster parts on the market.

Specifications

Core / Codename

SSA5

Clockfrequency

100MHz

Front Side Bus

66MHz

Multiplier

1,5x

vCore

3,52V

L1 cache

24KB

L2 cache

None

sSpec

25600

Chip date

9629

Stepping

?

Socket

PGA296

Transistor count

4,3M

Condition

CPU only

Engineering sample?

No

Benchmarks

CPU (chipset)	dhry1od (Dhrystone)	score
K6 233ANR (430VX)		399.40
MII 300GP (430VX)		372.45
Pentium MMX 233 (430VX)		338.53
Pentium MMX 200 (430VX)		304.05
Winchip 2 233 (ALi Aladdin 5)		301.54
6x86MX PR233 (ALi Aladdin 5)		288.63
Pentium 200 (430VX)		283.25
6x86MX PR200 (ALi Aladdin 5)		265.49
Pentium MMX 166 (430VX)		262.81
Pentium 166 (430VX)		241.87
6x86 P200+ (430VX)		238.70
Winchip C6 200 (ALi Aladdin 5)		231.72
K6 166ALR (430VX)		224.30
K5 PR166 (430VX)		224.02
Pentium 150 (430VX)		221.30
6x86 PR166 (430VX)		211.29
Pentium 133 (430VX)		204.87
6x86 P150+ (430VX)		192.73
K5 PR133 (430VX)		191.51
Pentium 120 (430VX)		186.23
K5 PR100 (430VX)		172.80
Pentium 100 (430VX)		160.89
K5 PR90 (430VX)		157.82
Pentium 90 (430VX)		145.47
5k86 P75 (430VX)		129.54
Am5x86 -P75 (UMC PCI)		127.54
Pentium 75 (430VX)		120.14
Pentium Overdrive 83 (UMC PCI)		118.42
Am486 DX4/120 (UMC PCI)		116.90
Pentium 60 (Hendrixx)		96.98
Am486 DX4/100 (UMC PCI)		96.98
Cx5x86 100GP (UMC PCI)		92.55
Kingston TC5x86 /133 (UMC PCI)		76.01
Cx486DX4 100GP4 (UMC PCI)		75.26
i486 DX4/100 (UMC PCI)		72.13
Am486 DX2/80 (UMC PCI)		70.92
i486 DX2/66 (UMC PCI)		60.95
Cx486DX2 80GP (UMC PCI)		59.71
ST486DX2 80GS (UMC PCI)		59.71
80486 80MHz (UMC PCI)		59.71
i486 DX2/66 (UMC PCI)		59.23
DX20ODPR 66 (UMC PCI)		59.23
Am486 DX2/66 (UMC PCI)		58.66
i486 DX50 (UMC PCI)		50.59
80486 66MHz (UMC PCI)		50.24
Cx486DX2 66 (UMC PCI)		50.24
TI486DX2 G66 (UMC PCI)		50.24
Am486 DX2/50 (UMC PCI)		49.16
i486 DX2/50 (UMC PCI)		49.09
i486 SX2/50 (UMC PCI)		49.09
ODP486SX 25 (UMC PCI)		49.09
DX20DP 50 (UMC PCI)		49.09
i486 SX33 (UMC PCI)		33.48
i486 DX33 (UMC PCI)		33.17
Cx486DX 40GP (UMC PCI)		30.15
i486 SX25 (UMC PCI)		25.12
i486 SX20 (UMC PCI)		20.10
Cx486DLC 33GP (ETEQ)		17.45
Cx486DLC 33GP (ETEQ+FPU)		17.45
Am386 DX33 (ETEQ+FPU)		14.55
Am386 DX33 (ETEQ)		14.55
i386 DX25-IV (OPTi+FPU)		6.91
i386 DX25-IV (OPTi)		6.91
i386 SX25 (WDC ISA)		6.28

CPU (chipset)	Doom	score
MII 300GP (430VX)		105.94
Pentium MMX 233 (430VX)		102.32
6x86MX PR233 (ALi Aladdin 5)		98.54
K6 233ANR (430VX)		98.41
Pentium MMX 200 (430VX)		97.63
Pentium 200 (430VX)		93.71
Pentium MMX 166 (430VX)		91.64
6x86 P200+ (430VX)		90.97
K6 166ALR (430VX)		90.53
6x86MX PR200 (ALi Aladdin 5)		90.31
Pentium 166 (430VX)		88.08
K5 PR166 (430VX)		86.55
6x86 PR166 (430VX)		84.21
K5 PR133 (430VX)		80.83
Pentium 150 (430VX)		80.57
Pentium 133 (430VX)		80.23
Winchip 2 233 (ALi Aladdin 5)		78.21
6x86 P150+ (430VX)		77.08
K5 PR100 (430VX)		76.14
Pentium 120 (430VX)		73.44
K5 PR90 (430VX)		69.74
Pentium 100 (430VX)		69.16
Winchip C6 200 (ALi Aladdin 5)		68.59
Pentium 90 (430VX)		63.35
5k86 P75 (430VX)		58.35
Pentium 75 (430VX)		53.05
Am5x86 -P75 (UMC PCI)		45.24
Pentium 60 (Hendrixx)		44.72
Pentium Overdrive 83 (UMC PCI)		43.60
Kingston TC5x86 /133 (UMC PCI)		41.98
Cx5x86 100GP (UMC PCI)		40.12
i486 DX4/100 (UMC PCI)		39.62
Am486 DX4/100 (UMC PCI)		38.88
Am486 DX4/120 (UMC PCI)		38.30
Cx486DX4 100GP4 (UMC PCI)		35.75
Am486 DX2/80 (UMC PCI)		32.22
i486 DX2/66 (UMC PCI)		31.37
i486 DX2/66 (UMC PCI)		31.12
DX20ODPR 66 (UMC PCI)		31.10
Am486 DX2/66 (UMC PCI)		30.85
80486 80MHz (UMC PCI)		30.09
ST486DX2 80GS (UMC PCI)		30.07
Cx486DX2 80GP (UMC PCI)		30.07
TI486DX2 G66 (UMC PCI)		27.59
Cx486DX2 66 (UMC PCI)		27.58
80486 66MHz (UMC PCI)		27.54
i486 DX50 (UMC PCI)		26.17
ODP486SX 25 (UMC PCI)		24.59
DX20DP 50 (UMC PCI)		24.58
i486 DX2/50 (UMC PCI)		24.58
i486 SX2/50 (UMC PCI)		24.56
Am486 DX2/50 (UMC PCI)		24.34
i486 SX33 (UMC PCI)		18.30
i486 DX33 (UMC PCI)		18.30
Cx486DX 40GP (UMC PCI)		17.86
i486 SX25 (UMC PCI)		14.06
i486 SX20 (UMC PCI)		11.24
Cx486DLC 33GP (ETEQ)		7.86
Cx486DLC 33GP (ETEQ+FPU)		7.86
Am386 DX33 (ETEQ)		7.47
Am386 DX33 (ETEQ+FPU)		6.89
i386 DX25-IV (OPTi+FPU)		3.67
i386 DX25-IV (OPTi)		3.63
i386 SX25 (WDC ISA)		3.40

CPU (chipset)	DOSBench	score
Pentium 100 (430VX)		21577.00
Pentium 90 (430VX)		19734.00
K5 PR166 (430VX)		16460.00
Am5x86 -P75 (UMC PCI)		16295.00
Pentium 75 (430VX)		16147.00
Pentium Overdrive 83 (UMC PCI)		15764.00
Kingston TC5x86 /133 (UMC PCI)		15189.00
Am486 DX4/120 (UMC PCI)		15091.00
Cx5x86 100GP (UMC PCI)		15022.00
K5 PR133 (430VX)		14360.00
Cx486DX4 100GP4 (UMC PCI)		14159.00
K5 PR100 (430VX)		13836.00
Pentium 60 (Hendrixx)		13487.00
Am486 DX4/100 (UMC PCI)		12677.00
K5 PR90 (430VX)		12567.00
i486 DX4/100 (UMC PCI)		12256.00
ST486DX2 80GS (UMC PCI)		11670.00
80486 80MHz (UMC PCI)		11670.00
Cx486DX2 80GP (UMC PCI)		11670.00
5k86 P75 (430VX)		10355.00
Am486 DX2/80 (UMC PCI)		10241.00
TI486DX2 G66 (UMC PCI)		9765.00
Cx486DX2 66 (UMC PCI)		9674.00
80486 66MHz (UMC PCI)		9673.00
i486 DX2/66 (UMC PCI)		8727.00
Am486 DX2/66 (UMC PCI)		8613.00
DX20ODPR 66 (UMC PCI)		8519.00
i486 DX2/66 (UMC PCI)		8519.00
Am486 DX2/50 (UMC PCI)		6592.00
ODP486SX 25 (UMC PCI)		6590.00
DX20DP 50 (UMC PCI)		6590.00
i486 DX2/50 (UMC PCI)		6590.00
i486 DX50 (UMC PCI)		6577.00
Cx486DX 40GP (UMC PCI)		5370.00
i486 DX33 (UMC PCI)		4425.00
Cx486DLC 33GP (ETEQ+FPU)		2698.00
i386 DX25-IV (OPTi+FPU)		1348.00
i486 SX2/50 (UMC PCI)		632.00
Am386 DX33 (ETEQ+FPU)		567.00
i486 SX33 (UMC PCI)		424.00
Cx486DLC 33GP (ETEQ)		357.00
V 20 (? + FPU)		333.00
8088 -1-P (? + FPU)		321.00
i486 SX25 (UMC PCI)		320.00
i486 SX20 (UMC PCI)		256.00
Am386 DX33 (ETEQ)		251.00
i386 SX25 (WDC ISA)		137.00
i386 DX25-IV (OPTi)		134.00
CS80C286 -20 (?)		106.00
R80286 8 (?)		43.00
V 20 (?)		22.00
8088 -1-P (?)		16.00
8088 D (?)		8.00

CPU (chipset)	MDK	score
Pentium II 266 (430VX)		138.00
Pentium MMX 233 (430VX)		101.00
Pentium MMX 200 (430VX)		94.00
Celeron 266 (i440BX)		93.00
MII 300GP (430VX)		92.00
Winchip 2 233 (ALi Aladdin 5)		87.00
K6 266AFR (ALi Aladdin 5)		87.00
Pentium MMX 166 (430VX)		82.00
Pentium 200 (430VX)		82.00
6x86MX PR233 (ALi Aladdin 5)		78.00
K6 233ANR (430VX)		78.00
Pentium 166 (430VX)		72.00
6x86MX PR200 (ALi Aladdin 5)		70.00
Pentium 150 (430VX)		66.00
Pentium 133 (430VX)		64.00
K6 166ALR (430VX)		63.00
Winchip C6 200 (ALi Aladdin 5)		59.00
Pentium 120 (430VX)		58.00
6x86 P200+ (430VX)		53.00
Pentium 100 (430VX)		51.00
Pentium 90 (430VX)		47.00
K5 PR166 (430VX)		47.00
6x86 PR166 (430VX)		47.00
6x86 P150+ (430VX)		43.00
K5 PR133 (430VX)		41.00
K5 PR100 (430VX)		39.00
Pentium 75 (430VX)		38.00
K5 PR90 (430VX)		35.00
Pentium 60 (Hendrixx)		32.00
5k86 P75 (430VX)		29.00
Pentium Overdrive 83 (UMC PCI)		28.00
Cx5x86 100GP (UMC PCI)		20.00

CPU (chipset)	Quake	score
Pentium II 266 (430VX)		58.30
Celeron 266 (i440BX)		52.30
Pentium MMX 233 (430VX)		47.70
K6 266AFR (ALi Aladdin 5)		44.60
Pentium MMX 200 (430VX)		44.30
Winchip 2 233 (ALi Aladdin 5)		41.60
Pentium 200 (430VX)		41.40
Pentium MMX 166 (430VX)		39.80
K6 233ANR (430VX)		38.20
Pentium 166 (430VX)		37.30
K6 166ALR (430VX)		34.70
MII 300GP (430VX)		34.40
Pentium 150 (430VX)		33.90
Pentium 133 (430VX)		32.70
Pentium 120 (430VX)		29.80
6x86MX PR233 (ALi Aladdin 5)		29.50
6x86MX PR200 (ALi Aladdin 5)		27.40
Pentium 100 (430VX)		26.70
Winchip C6 200 (ALi Aladdin 5)		26.70
K5 PR166 (430VX)		24.40
Pentium 90 (430VX)		24.30
K5 PR133 (430VX)		22.90
6x86 P200+ (430VX)		22.90
6x86 PR166 (430VX)		21.40
K5 PR100 (430VX)		20.40
Pentium 75 (430VX)		20.00
6x86 P150+ (430VX)		19.50
K5 PR90 (430VX)		18.50
Pentium Overdrive 83 (UMC PCI)		16.20
Pentium 60 (Hendrixx)		15.90
5k86 P75 (430VX)		15.40
Am5x86 -P75 (UMC PCI)		11.80
Kingston TC5x86 /133 (UMC PCI)		11.10
Am486 DX4/120 (UMC PCI)		10.30
Cx5x86 100GP (UMC PCI)		10.00
i486 DX4/100 (UMC PCI)		9.80
Am486 DX4/100 (UMC PCI)		9.10
Am486 DX2/80 (UMC PCI)		7.90
Cx486DX4 100GP4 (UMC PCI)		7.80
DX20ODPR 66 (UMC PCI)		6.90
i486 DX2/66 (UMC PCI)		6.90
i486 DX2/66 (UMC PCI)		6.90
Am486 DX2/66 (UMC PCI)		6.80
80486 80MHz (UMC PCI)		6.60
ST486DX2 80GS (UMC PCI)		6.60
Cx486DX2 80GP (UMC PCI)		6.60
TI486DX2 G66 (UMC PCI)		5.60
Cx486DX2 66 (UMC PCI)		5.60
80486 66MHz (UMC PCI)		5.60
ODP486SX 25 (UMC PCI)		5.50
i486 DX50 (UMC PCI)		5.50
DX20DP 50 (UMC PCI)		5.50
i486 DX2/50 (UMC PCI)		5.50
Am486 DX2/50 (UMC PCI)		5.40
i486 DX33 (UMC PCI)		3.70
Cx486DX 40GP (UMC PCI)		3.70
Cx486DLC 33GP (ETEQ+FPU)		1.30
Am386 DX33 (ETEQ+FPU)		1.20
i386 DX25-IV (OPTi+FPU)		0.60

CPU (chipset)	whetcod (Whetstone)	score
Pentium MMX 233 (430VX)		156.34
K6 233ANR (430VX)		145.81
Pentium MMX 200 (430VX)		133.97
Pentium 200 (430VX)		132.63
Pentium MMX 166 (430VX)		111.78
Pentium 166 (430VX)		110.62
MII 300GP (430VX)		109.85
Pentium 150 (430VX)		100.70
K6 166ALR (430VX)		89.44
Pentium 133 (430VX)		88.46
Winchip 2 233 (ALi Aladdin 5)		88.07
6x86MX PR233 (ALi Aladdin 5)		88.07
Pentium 120 (430VX)		80.57
6x86MX PR200 (ALi Aladdin 5)		78.54
6x86 P200+ (430VX)		67.34
Pentium 100 (430VX)		66.40
Pentium 90 (430VX)		60.51
6x86 PR166 (430VX)		59.82
Pentium Overdrive 83 (UMC PCI)		55.05
6x86 P150+ (430VX)		54.47
Pentium 75 (430VX)		49.84
Winchip C6 200 (ALi Aladdin 5)		41.11
Pentium 60 (Hendrixx)		39.89
K5 PR166 (430VX)		37.79
Cx5x86 100GP (UMC PCI)		37.60
Kingston TC5x86 /133 (UMC PCI)		33.58
Am5x86 -P75 (UMC PCI)		33.57
K5 PR133 (430VX)		32.38
K5 PR100 (430VX)		30.99
Cx486DX4 100GP4 (UMC PCI)		30.95
Am486 DX4/120 (UMC PCI)		30.22
K5 PR90 (430VX)		28.21
i486 DX4/100 (UMC PCI)		26.16
Am486 DX4/100 (UMC PCI)		25.18
80486 80MHz (UMC PCI)		24.77
Cx486DX2 80GP (UMC PCI)		24.77
ST486DX2 80GS (UMC PCI)		24.77
5k86 P75 (430VX)		23.23
80486 66MHz (UMC PCI)		20.64
Cx486DX2 66 (UMC PCI)		20.63
TI486DX2 G66 (UMC PCI)		20.63
Am486 DX2/80 (UMC PCI)		20.14
i486 DX2/66 (UMC PCI)		16.91
i486 DX2/66 (UMC PCI)		16.91
DX20ODPR 66 (UMC PCI)		16.90
Am486 DX2/66 (UMC PCI)		16.77
Cx486DX 40GP (UMC PCI)		13.13
ODP486SX 25 (UMC PCI)		12.68
i486 DX50 (UMC PCI)		12.68
i486 DX2/50 (UMC PCI)		12.68
DX20DP 50 (UMC PCI)		12.68
Am486 DX2/50 (UMC PCI)		12.57
i486 DX33 (UMC PCI)		8.38
Cx486DLC 33GP (ETEQ+FPU)		3.73
Am386 DX33 (ETEQ+FPU)		3.38
i386 DX25-IV (OPTi+FPU)		2.45
i486 SX2/50 (UMC PCI)		0.33
i486 SX33 (UMC PCI)		0.23
i486 SX25 (UMC PCI)		0.17
Cx486DLC 33GP (ETEQ)		0.15
i486 SX20 (UMC PCI)		0.14
Am386 DX33 (ETEQ)		0.12
i386 DX25-IV (OPTi)		0.06
i386 SX25 (WDC ISA)		0.06