Product Compare

AMD Radeon HD 7970 vs NVIDIA A100 SXM4 80 GB

GPU GPU
Graphics Card
Release Date Jan 2012 Nov 2020
Generation Southern Islands Tesla Ampere
Type Desktop AI GPU
Bus Interface PCIe 3.0 x16 PCIe 4.0 x16
Clock Speeds
Memory Clock 1375 MHz 1593 MHz
Base Clock 1275 MHz
Boost Clock 1410 MHz
Memory
Memory Size 3GB 80GB
Memory Type GDDR5 HBM2e
Memory Bus 384bit 5120bit
Bandwidth 264.0GB/s 2039GB/s
Render Config
Compute Units 32
Shading Units 2048 6912
TMUs 128 432
ROPs 32 160
L1 Cache 16 KB (per CU) 192 KB (per SM)
L2 Cache 768 KB 40 MB
SM Count 108
Tensor Cores 432
Theoretical Performance
Pixel Rate 29.60 GPixel/s 225.6 GPixel/s
Texture Rate 118.4 GTexel/s 609.1 GTexel/s
FP32 (float) 3.789 TFLOPS 19.49 TFLOPS
FP64 (double) 947.2 GFLOPS 9.746 TFLOPS
FP16 (half) 77.97 TFLOPS
Graphics Processor
GPU Name Tahiti GA100
GPU Variant Tahiti XT(215-0821060)
Architecture GCN 1.0 Ampere
Foundry TSMC TSMC
Process Size 28 nm 7 nm
Transistors 4.313 billion 54.2 billion
Die Size 352 mm² 826 mm²
Board Design
TDP 250W 400W
Suggested PSU 600 W 800 W
Outputs 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 No outputs
Power Connectors 1x 6-pin + 1x 8-pin None
Graphics Features
DirectX 12 (11_1) N/A
OpenGL 4.6 N/A
OpenCL 2.1 (1.2) 3.0
Vulkan 1.2.170 N/A
Shader Model 6.5 (5.1) N/A
CUDA 8.0