GPUs

AMD Lockhart vs AMD Viola Full Specs

1,280 Shaders
1.56GHz
3,840 Shaders
2.23GHz
Shared Memory
Shared Memory
··
4.01 TFLOPS
··
34.3 TFLOPS
Form Factor
iGPU
Form Factor
iGPU
TDP
Shared
TDP
180W

LockhartLockhart8.01 TFLOPSFP16
x1
ViolaViola68.6 TFLOPSFP16
x8.56

Clock Speed
··
Clock Speed
··
Peak OPS
8.01 TFLOPSFP16
Peak OPS
68.6 TFLOPSFP16
-
BF16
68.6 TFLOPS
FP32
4.01 TFLOPS
FP32
34.3 TFLOPS
FP64
250.4 GFLOPS
FP64
1.07 TFLOPS
Pixel Rate
50.1 GPixel/s
Pixel Rate
214.4 GPixel/s
Texture Rate
125.2 GTexel/s
Texture Rate
535.9 GTexel/s

Shaders
1,280 Shaders
Shaders
3,840 Shaders
TMUs
80 TMUs
TMUs
240 TMUs
ROPs
32 ROPs
ROPs
96 ROPs
RT Cores
20 RT-Cores
RT Cores
60 RT-Cores
CUs
20 CUs
CUs
60 CUs

Boost Clock
1.56GHz
Boost Clock
2.23GHz

L2 Cache
4.1MB shared
L2 Cache
4.1MB shared

Shared Memory
Shared Memory
Memory Bus
128-bit
Memory Bus
256-bit
Memory Speed
14GT/s
Memory Speed
18GT/s
Memory Bandwidth
224GB/s
Memory Bandwidth
576GB/s
ECC
No
ECC
No

TDP
Shared
TDP
180W

Multi-Monitor
1
Multi-Monitor
1

Form Factor
iGPU
Form Factor
iGPU

Manufacturer
Manufacturer
Chip Designer
Chip Designer
Architecture
Architecture
Family
Family
Branding
XBOX branding
Branding
PlayStation branding
Market Segment
Console
Market Segment
Console
Release Date
Nov 10, 2020
Release Date
Sep 10, 2024

Foundry
TSMC
Foundry
TSMC
Fabrication Node
N7
Fabrication Node
N6
Die Size
197mm²
Die Size
260mm²
Transistor Count
8 Billion
Transistor Count
10.6 Billion
Transistor Density
41 MTr/mm²
Transistor Density
41 MTr/mm²

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