Whetstone is the opposite of Dhrystone and instead of integer performance it tests floating point performance. This is why CPU's without a FPU or a decent FPU score very low. For example and as seen in the benchmarks: a 386DX25 with FPU installed can easily beat a 486SX2/50 with a big margin.

The scores noted are 'MFLOPS'. The benchmark will provide a series of calculations done (N1 to N8) and sum up the MFLOPS.

Benchmarks run with this application
CPU (chipset) whetcod (Whetstone) score
Pentium Pro 200 (440FX)
162.00
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/66x3.5 (430VX)
109.85
Pentium 150 (430VX)
100.70
K6 166ALR (430VX)
89.44
Pentium 133 (430VX)
88.46
6x86MX PR233/75 (ALi Aladdin 5)
88.07
Winchip 2 233 (ALi Aladdin 5)
88.07
Pentium 120 (430VX)
80.57
6x86MX PR200/66 (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 (UM8881F PCI)
55.07
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 (UM8881F PCI)
37.74
Am5x86 -P75 (UM8881F PCI)
33.59
586 133 (UM8881F PCI)
33.58
Kingston TC5x86 /133 (UM8881F PCI)
33.57
K5 PR133 (430VX)
32.38
K5 PR100 (430VX)
30.99
TI486DX4 G100 (UM8881F PCI)
30.95
Cx486DX4 100GP4 (UM8881F PCI)
30.95
Am486 DX4/120 (UM8881F PCI)
30.22
K5 PR90 (430VX)
28.21
i486 DX4/100 (UM8881F PCI)
26.17
DX4ODPR 100 (UM8881F PCI)
26.17
Am486 DX4/100V (UM8881F PCI)
25.16
Am486 DX4/100 (UM8881F PCI)
25.16
Am486 DX4/100 (UM8881F PCI)
25.16
TI486DX2 G80 (UM8881F PCI)
24.78
ST486DX2 80GS (UM8881F PCI)
24.76
80486 80MHz (UM8881F PCI)
24.76
Cx486DX2 80GP (UM8881F PCI)
24.75
5k86 P75 (430VX)
23.23
Cx486DX2 66 (UM8881F PCI)
20.63
TI486DX2 G66 (UM8881F PCI)
20.63
80486 66MHz (UM8881F PCI)
20.63
Am486 DX2/80 (UM8881F PCI)
20.12
i486 DX4/75 (UM8881F PCI)
19.60
DX4ODP 75 (UM8881F PCI)
19.60
i486 DX2/66 (UM8881F PCI)
16.92
i486 DX2/66 (UM8881F PCI)
16.90
DX2ODPR 66 (UM8881F PCI)
16.90
Am486 DX2/66 (UM8881F PCI)
16.76
Am486 DX2/66 (UM8881F PCI)
16.76
Am486 DX2/66 (UM8881F PCI)
16.76
Cx486DX2 50 (UM8881F PCI)
16.42
Cx486DX 40GP (UM8881F PCI)
13.14
i486 DX50 (UM8881F PCI)
12.68
ODP486SX 25 (UM8881F PCI)
12.68
DX2ODP 50 (UM8881F PCI)
12.68
i486 DX2/50 (UM8881F PCI)
12.67
Am486 DX2/50 (UM8881F PCI)
12.57
Am486 DX40 (UM8881F PCI)
10.05
i486 DX33 (UM8881F PCI)
8.74
Cx486DRx2 33/66GP (UMC+Cx487)
6.79
Cx486DLC 33GP (ETEQ+387-40)
3.73
Am386 DX33 (ETEQ+387-40)
3.38
i386 DX25-IV (OPTi+387-40)
2.51
Nx586 P90 (NxVLB)
0.54
Am486 SX2/66 (UM8881F PCI)
0.42
i486 SX2/50 (UM8881F PCI)
0.31
Green CPU U5SD-SUPER33 (UM8881F PCI)
0.28
i486 SX33 (UM8881F PCI)
0.23
Cx486DRx2 33/66GP (UMC)
0.21
i486 SX25 (UM8881F PCI)
0.17
Cx486DLC 33GP (ETEQ)
0.15
Am386 DX40 (MX83)
0.14
i486 SX20 (UM8881F PCI)
0.14
Am386 DX33 (ETEQ)
0.12
Am386 SX40 (ALi M1217)
0.09
Am386 SX40 (Citygate)
0.08
Am386 SX33 (ALi M1217)
0.07
i386 DX25-IV (OPTi)
0.06
i386 SX25 (WDC ISA)
0.06