NVIDIA A40 PCIe vs AMD Radeon RX 7900M
GPU Specs Compare
Graphics Card
Release Date
Oct 2020
Oct 2023
Generation
Tesla
Navi Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1305 MHz
1825 MHz
Boost Clock
1740 MHz
2090 MHz
Memory Clock
1812 MHz
2250 MHz
Memory
Memory Size
48GB
16GB
Memory Type
GDDR6
GDDR6
Memory Bus
384bit
256bit
Bandwidth
695.8GB/s
576.0GB/s
Render Config
SM Count
84
-
Shading Units
10752
4608
TMUs
336
288
ROPs
112
192
Tensor Cores
336
-
RT Cores
84
72
L1 Cache
128 KB (per SM)
256 KB per Array
L2 Cache
6 MB
6 MB
Compute Units
-
72
L3 Cache
-
64 MB
Theoretical Performance
Pixel Rate
194.9 GPixel/s
401.3 GPixel/s
Texture Rate
584.6 GTexel/s
601.9 GTexel/s
FP16 (half)
37.42 TFLOPS
77.05 TFLOPS
FP32 (float)
37.42 TFLOPS
38.52 TFLOPS
FP64 (double)
584.6 GFLOPS
1204 GFLOPS
Graphics Processor
GPU Name
GA102
Navi 31
Architecture
Ampere
RDNA 3.0
Foundry
Samsung
TSMC
Process Size
8 nm
5 nm
Transistors
28.3 billion
57.7 billion
Die Size
628 mm²
529 mm²
GPU Variant
-
Navi 31
Board Design
TDP
300W
180W
Suggested PSU
700 W
-
Outputs
3x DisplayPort 1.4a
Portable Device Dependent
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
1.3
CUDA
8.6
-
Shader Model
6.6
6.8
📊 Benchmark
3DMark Time Spy
-
18,218
3DMark Time Spy Extreme
-
8,440
3DMark Speed Way
-
3,943
Blender
-
2,583