CPU DB

DEC Alpha 21164A

EV56, 400.0 MHz

Specifications
Designer DEC
Family Alpha 21164A
Model
Code Name EV56
Clock [MHz] 400.0
Max Clock (Turbo) [MHz]
Physical Details
Voltage (Nom.) [V] 2.50
TDP [W]
Die Size [mm²] 209
Transistor [M] 9.66
Architecture
Data Path Width 64
Cores per Chip 1
Threads per Core 1
Cache (on-chip)
L1 Unified Cache
L1 Instruction Cache 8
L1 Data Cache 8
L2 Cache 96
L3 Cache
Cache (off-chip)
L1 Unified Cache
L1 Instruction Cache
L1 Data Cache
L2 Cache
L3 Cache 4096
Process Technology
Fabricated By DEC
Process CMOS-6
Technology CMOS
Feature Size [μm] 0.35
Channel Length [μm] 0.35
Metal Layers 4
Metal Type
FO4 Delay [ps] 126.0

    Die Photo

    171

SpecInt1995

Go M88ksim Gcc Compress Li Ijpeg Perl Vortex
11.8 10.3 7.5 8.8 8.7 12.1 9.3 9.4 source
12.3 10.0 8.9 8.7 8.9 10.9 11.8 9.8 source
12.3 10.0 8.9 8.7 8.9 10.9 11.8 9.8 source
12.6 10.5 8.3 9.0 8.7 12.3 11.0 9.8 source
11.5 9.9 8.6 9.8 9.0 10.7 9.5 9.4 source
12.7 13.9 12.9 10.7 11.2 12.4 13.1 11.6 source
12.7 13.9 12.9 10.7 11.2 12.4 13.1 11.6 source

SpecFp1995

Tomcatv Swim Su2cor Hydro2d Mgrid Applu Turb3d Apsi Fpppp Wave5
10.7 14.4 6.4 4.8 7.8 5.1 12.7 14.8 28.0 15.8 source
21.4 24.4 9.8 9.3 14.7 8.6 16.8 16.6 32.1 20.6 source
21.4 24.4 9.8 9.3 14.7 8.6 16.8 16.6 32.1 20.6 source
15.8 18.1 7.2 6.3 10.8 6.5 15.4 15.7 31.4 18.0 source
16.7 20.7 8.0 6.6 7.8 6.9 15.0 15.4 26.8 19.3 source
15.7 26.0 7.4 6.5 12.7 5.4 16.2 15.7 28.8 18.1 source
15.7 26.0 7.4 6.5 12.7 5.4 16.2 15.7 28.8 18.1 source