NVIDIA A40 PCIe vs AMD Steam Machine GPU
GPU Specs Compare
Graphics Card
Release Date
Oct 2020
Jan 2026
Generation
Tesla
Console GPU
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
-
Clock Speeds
Base Clock
1305 MHz
1720 MHz
Boost Clock
1740 MHz
2450 MHz
Memory Clock
1812 MHz
2250 MHz
Memory
Memory Size
48GB
8GB
Memory Type
GDDR6
GDDR6
Memory Bus
384bit
128bit
Bandwidth
695.8GB/s
288.0GB/s
Render Config
SM Count
84
-
Shading Units
10752
1792
TMUs
336
112
ROPs
112
64
Tensor Cores
336
-
RT Cores
84
28
L1 Cache
128 KB (per SM)
128 KB per Array
L2 Cache
6 MB
2 MB
Compute Units
-
28
L3 Cache
-
32 MB
Theoretical Performance
Pixel Rate
194.9 GPixel/s
156.8 GPixel/s
Texture Rate
584.6 GTexel/s
274.4 GTexel/s
FP16 (half)
37.42 TFLOPS
35.12 TFLOPS
FP32 (float)
37.42 TFLOPS
17.56 TFLOPS
FP64 (double)
584.6 GFLOPS
548.8 GFLOPS
Graphics Processor
GPU Name
GA102
Navi 33
Architecture
Ampere
RDNA 3.0
Foundry
Samsung
TSMC
Process Size
8 nm
6 nm
Transistors
28.3 billion
13.3 billion
Die Size
628 mm²
204 mm²
Board Design
TDP
300W
110W
Suggested PSU
700 W
-
Outputs
3x DisplayPort 1.4a
No outputs
Power Connectors
8-pin EPS
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
2.2
Vulkan
1.3
1.4
CUDA
8.6
-
Shader Model
6.6
6.8