NVIDIA A40 PCIe vs AMD Radeon HD 7970
GPU Specs Compare
Graphics Card
Release Date
Oct 2020
Jan 2012
Generation
Tesla
Southern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1305 MHz
-
Boost Clock
1740 MHz
-
Memory Clock
1812 MHz
1375 MHz
Memory
Memory Size
48GB
3GB
Memory Type
GDDR6
GDDR5
Memory Bus
384bit
384bit
Bandwidth
695.8GB/s
264.0GB/s
Render Config
SM Count
84
-
Shading Units
10752
2048
TMUs
336
128
ROPs
112
32
Tensor Cores
336
-
RT Cores
84
-
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
6 MB
768 KB
Compute Units
-
32
Theoretical Performance
Pixel Rate
194.9 GPixel/s
29.60 GPixel/s
Texture Rate
584.6 GTexel/s
118.4 GTexel/s
FP16 (half)
37.42 TFLOPS
-
FP32 (float)
37.42 TFLOPS
3.789 TFLOPS
FP64 (double)
584.6 GFLOPS
947.2 GFLOPS
Graphics Processor
GPU Name
GA102
Tahiti
Architecture
Ampere
GCN 1.0
Foundry
Samsung
TSMC
Process Size
8 nm
28 nm
Transistors
28.3 billion
4.313 billion
Die Size
628 mm²
352 mm²
GPU Variant
-
Tahiti XT(215-0821060)
Board Design
TDP
300W
250W
Suggested PSU
700 W
600 W
Outputs
3x DisplayPort 1.4a
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
8-pin EPS
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
3.0
2.1 (1.2)
Vulkan
1.3
1.2.170
CUDA
8.6
-
Shader Model
6.6
6.5 (5.1)
📊 Benchmark
3DMark Time Spy
-
2,310
3DMark Time Spy Extreme
-
1,209