NEC V 20

Just like my other V20 but runs at a faster pace. This 8MHz V20 is fitted onto a Juko ST "TurboXT" motherboard that runs it at 12MHz. It's a late 8088-based motherboard and has been manufactured a year after the 486 made its debut.

In West-Europe not many TurboXT like these have been sold which makes it a somewhat rare piece.

Performance wise it runs just a little better than the normal 8MHz version. See the benchmarks below:
Standard 4,77MHz 8088 : 8 points
Standard 8MHz 8088 : 16 points
NEC V20 8MHz : 22 points
NEC V20 12MHz : 27 points

By far three times faster than the original IBM XT and noticeably faster than the standard 8088 at 8MHz. It's a nice motherboard to build an XT-class system that has that speedy edge available but can also run at the original 4.77MHz when the turbo-mode is disabled (which can be done on-the-fly). This way you can run speed sensitive games as well.

Specifications

Core / Codename
Clockfrequency
12MHz
Front Side Bus
12MHz
Multiplier
1x
vCore
5V
L1 cache
0KB
L2 cache
None
sSpec
N/A
Chip date
9036
Stepping
?
Socket
Transistor count
0.063
Condition
CPU Only
Engineering sample?
No

Benchmarks

This CPU has been benchmarked on a Juko TurboXT with TD3300A (12MHz) chipset. Click here for more information about this system.
CPU (chipset) ChipTest RAM score
NG80386SX -20 (OPTi82C/0WS)
9.50
Am386 DX40 (MX83)
8.09
i386 SX25 (WDC ISA)
6.50
NG80386SX -20 (F82C836 16k)
5.71
i386 DX25-IV (OPTi)
5.71
80286 -12-N (Suntac ST62C/0WS)
5.69
CS80C286 -20 (Hedaka/1WS)
4.50
V 30 (IBM 8530)
1.88
V 20 (TD3300A (12MHz)+8087)
1.34
V 20 (FE2010A)
1.09
8086 -2 (IBM 8530)
0.92
8088 -1-P (FE2010A)
0.72
8088 D (FE2010A)
0.37
CPU (chipset) DOSBench score
Am5x86 -P75 (UM8881F PCI)
16693.00
Pentium Overdrive 83 (UM8881F PCI)
16482.00
586 133 (UM8881F PCI)
16467.00
Pentium 75 (430VX)
16147.00
Kingston TC5x86 /133 (UM8881F PCI)
15508.00
Am486 DX4/120 (UM8881F PCI)
15421.00
Cx5x86 100GP (UM8881F PCI)
15298.00
Cx486DX4 100GP4 (UM8881F PCI)
14494.00
TI486DX4 G100 (UM8881F PCI)
14374.00
K5 PR133 (430VX)
14360.00
K5 PR100 (430VX)
13836.00
Pentium 60 (Hendrixx)
13487.00
Am486 DX4/100V (UM8881F PCI)
12813.00
Am486 DX4/100 (UM8881F PCI)
12666.00
K5 PR90 (430VX)
12567.00
i486 DX4/100 (UM8881F PCI)
12537.00
Am486 DX4/100 (UM8881F PCI)
12495.00
DX4ODPR 100 (UM8881F PCI)
12457.00
ST486DX2 80GS (UM8881F PCI)
11947.00
80486 80MHz (UM8881F PCI)
11947.00
TI486DX2 G80 (UM8881F PCI)
11935.00
Cx486DX2 80GP (UM8881F PCI)
11830.00
Am486 DX2/80 (UM8881F PCI)
10436.00
5k86 P75 (430VX)
10355.00
80486 66MHz (UM8881F PCI)
9956.00
TI486DX2 G66 (UM8881F PCI)
9932.00
Cx486DX2 66 (UM8881F PCI)
9816.00
i486 DX4/75 (UM8881F PCI)
9299.00
DX4ODP 75 (UM8881F PCI)
9273.00
i486 DX2/66 (UM8881F PCI)
8863.00
Am486 DX2/66 (UM8881F PCI)
8835.00
i486 DX2/66 (UM8881F PCI)
8799.00
Am486 DX2/66 (UM8881F PCI)
8767.00
DX2ODPR 66 (UM8881F PCI)
8752.00
Am486 DX2/66 (UM8881F PCI)
8678.00
Cx486DX2 50 (UM8881F PCI)
7391.00
i486 DX50 (UM8881F PCI)
6715.00
Am486 DX2/50 (UM8881F PCI)
6563.00
ODP486SX 25 (UM8881F PCI)
6562.00
DX2ODP 50 (UM8881F PCI)
6551.00
i486 DX2/50 (UM8881F PCI)
6508.00
Cx486DX 40GP (UM8881F PCI)
6098.00
Am486 DX40 (UM8881F PCI)
5431.00
Cx486DRx2 33/66GP (UMC+Cx487)
5034.00
i486 DX33 (UM8881F PCI)
4512.00
Cx486DLC 33GP (ETEQ+387-40)
2698.00
Nx586 P90 (NxVLB)
1706.00
i386 DX25-IV (OPTi+387-40)
1451.00
Am486 SX2/66 (UM8881F PCI)
814.00
Cx486DRx2 33/66GP (UMC)
706.00
i486 SX2/50 (UM8881F PCI)
612.00
Green CPU U5SD-SUPER33 (UM8881F PCI)
572.00
Am386 DX33 (ETEQ+387-40)
567.00
i486 SX33 (UM8881F PCI)
424.00
V 20 (TD3300A (12MHz)+8087)
398.00
Cx486DLC 33GP (ETEQ)
357.00
V 20 (FE2010A+8087)
333.00
8088 -1-P (FE2010A+8087)
321.00
i486 SX25 (UM8881F PCI)
319.00
Am386 DX40 (MX83)
307.00
i486 SX20 (UM8881F PCI)
256.00
Am386 DX33 (ETEQ)
251.00
Am386 SX40 (ALi M1217)
200.00
Am386 SX33 (ALi M1217)
164.00
i386 DX25-IV (OPTi)
163.00
i386 SX25 (WDC ISA)
137.00
NG80386SX -20 (F82C836 16k)
136.00
NG80386SX -20 (OPTi82C/0WS)
117.00
CS80C286 -20 (Hedaka/1WS)
107.00
NG80386SX -16 (?)
92.00
80286 -12-N (Suntac ST62C/0WS)
80.00
R80286 8 (?)
43.00
CG80286 6 (IBM 512k)
32.00
V 30 (IBM 8530)
29.00
V 20 (TD3300A (12MHz))
27.00
V 20 (FE2010A)
22.00
8086 -2 (IBM 8530)
18.00
8088 -1-P (FE2010A)
16.00
8088 D (FE2010A)
8.00
CPU (chipset) Landmark 6 score
Am386 DX40 (MX83)
69.00
i386 DX25-IV (OPTi)
36.00
i386 SX25 (WDC ISA)
34.00
NG80386SX -20 (F82C836 16k)
30.00
CS80C286 -20 (Hedaka/1WS)
27.00
NG80386SX -20 (OPTi82C/0WS)
27.00
80286 -12-N (Suntac ST62C/0WS)
18.00
V 30 (IBM 8530)
7.47
V 20 (TD3300A (12MHz)+8087)
7.32
V 20 (FE2010A)
5.97
8086 -2 (IBM 8530)
5.29
8088 -1-P (FE2010A)
5.09
8088 D (FE2010A)
2.44
CPU (chipset) Turbo Pascal 7.0 score
V 20 (TD3300A (12MHz)+8087)
25.50
V 30 (IBM 8530)
28.00
8086 -2 (IBM 8530)
31.30
V 20 (FE2010A)
37.30
8088 -1-P (FE2010A)
38.80
8088 D (FE2010A)
74.60
Post a comment or question as Anonymous user
Want your own account? Create one, it's free to register!
Insert reply
Your validation code is: 1337