NVIDIA A100 SXM4 40 GB vs AMD Radeon HD 7970
GPU Specs Compare
Graphics Card
Release Date
May 2020
Jan 2012
Generation
Tesla Ampere
Southern Islands
Type
AI GPU
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1095 MHz
-
Boost Clock
1410 MHz
-
Memory Clock
1215 MHz
1375 MHz
Memory
Memory Size
40GB
3GB
Memory Type
HBM2e
GDDR5
Memory Bus
5120bit
384bit
Bandwidth
1555GB/s
264.0GB/s
Render Config
SM Count
108
-
Shading Units
6912
2048
TMUs
432
128
ROPs
160
32
Tensor Cores
432
-
L1 Cache
192 KB (per SM)
16 KB (per CU)
L2 Cache
40 MB
768 KB
Compute Units
-
32
Theoretical Performance
Pixel Rate
225.6 GPixel/s
29.60 GPixel/s
Texture Rate
609.1 GTexel/s
118.4 GTexel/s
FP16 (half)
77.97 TFLOPS
-
FP32 (float)
19.49 TFLOPS
3.789 TFLOPS
FP64 (double)
9.746 TFLOPS
947.2 GFLOPS
Graphics Processor
GPU Name
GA100
Tahiti
Architecture
Ampere
GCN 1.0
Foundry
TSMC
TSMC
Process Size
7 nm
28 nm
Transistors
54.2 billion
4.313 billion
Die Size
826 mm²
352 mm²
GPU Variant
-
Tahiti XT(215-0821060)
Board Design
TDP
400W
250W
Suggested PSU
800 W
600 W
Outputs
No outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
None
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
N/A
12 (11_1)
OpenGL
N/A
4.6
OpenCL
3.0
2.1 (1.2)
Vulkan
N/A
1.2.170
CUDA
8.0
-
Shader Model
N/A
6.5 (5.1)
📊 Benchmark
Blender
2,186
-
3DMark Time Spy
-
2,310
3DMark Time Spy Extreme
-
1,209