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GPU Comparison
NVIDIA A40 PCIe vs AMD Radeon HD 7970 X2
NVIDIA A40 PCIe vs AMD Radeon HD 7970 X2
VS
NVIDIA A40 PCIe
AMD Radeon HD 7970 X2
We compared two Desktop platform GPUs: 48GB VRAM A40 PCIe and 3GB VRAM Radeon HD 7970 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA A40 PCIe 's Advantages
Released 8 years and 2 months late
Boost Clock1740MHz
More VRAM (48GB vs 3GB)
Larger VRAM bandwidth (695.8GB/s vs 264.0GB/s)
8704 additional rendering cores
Lower TDP (300W vs 500W)
Score
Benchmark
FP32 (float)
A40 PCIe
+887%
37.42 TFLOPS
Radeon HD 7970 X2
3.789 TFLOPS
A40 PCIe
VS
Radeon HD 7970 X2
Graphics Card
Oct 2020
Release Date
Aug 2012
Tesla
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1305 MHz
Base Clock
-
1740 MHz
Boost Clock
-
1812 MHz
Memory Clock
1375 MHz
Memory
48GB
Memory Size
3GB
GDDR6
Memory Type
GDDR5
384bit
Memory Bus
384bit
695.8GB/s
Bandwidth
264.0GB/s
Render Config
84
SM Count
-
-
Compute Units
32
10752
Shading Units
2048
336
TMUs
128
112
ROPs
32
336
Tensor Cores
-
84
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per CU)
6 MB
L2 Cache
768 KB
Theoretical Performance
194.9 GPixel/s
Pixel Rate
29.60 GPixel/s
584.6 GTexel/s
Texture Rate
118.4 GTexel/s
37.42 TFLOPS
FP16 (half)
-
37.42 TFLOPS
FP32 (float)
3.789 TFLOPS
584.6 GFLOPS
FP64 (double)
947.2 GFLOPS
Graphics Processor
GA102
GPU Name
New Zealand
-
GPU Variant
-
Ampere
Architecture
GCN 1.0
Samsung
Foundry
TSMC
8 nm
Process Size
28 nm
28.3 billion
Transistors
4.313 billion
628 mm²
Die Size
352 mm²
Board Design
300W
TDP
500W
700 W
Suggested PSU
900 W
3x DisplayPort 1.4a
Outputs
2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
8-pin EPS
Power Connectors
3x 8-pin
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_1)
4.6
OpenGL
4.6
3.0
OpenCL
1.2
1.3
Vulkan
1.2
8.6
CUDA
-
6.6
Shader Model
5.1
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9
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10
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