Product Compare

AMD Radeon HD 7870 GHz Edition vs NVIDIA A100 SXM4 40 GB

GPU GPU
Graphics Card
Release Date Mar 2012 May 2020
Generation Southern Islands Tesla Ampere
Type Desktop AI GPU
Bus Interface PCIe 3.0 x16 PCIe 4.0 x16
Clock Speeds
Memory Clock 1200 MHz 1215 MHz
Base Clock 1095 MHz
Boost Clock 1410 MHz
Memory
Memory Size 2GB 40GB
Memory Type GDDR5 HBM2e
Memory Bus 256bit 5120bit
Bandwidth 153.6GB/s 1555GB/s
Render Config
Compute Units 20
Shading Units 1280 6912
TMUs 80 432
ROPs 32 160
L1 Cache 16 KB (per CU) 192 KB (per SM)
L2 Cache 512 KB 40 MB
SM Count 108
Tensor Cores 432
Theoretical Performance
Pixel Rate 32.00 GPixel/s 225.6 GPixel/s
Texture Rate 80.00 GTexel/s 609.1 GTexel/s
FP32 (float) 2.560 TFLOPS 19.49 TFLOPS
FP64 (double) 160.0 GFLOPS 9.746 TFLOPS
FP16 (half) 77.97 TFLOPS
Graphics Processor
GPU Name Pitcairn GA100
GPU Variant Pitcairn XT(215-0828047)
Architecture GCN 1.0 Ampere
Foundry TSMC TSMC
Process Size 28 nm 7 nm
Transistors 2.8 billion 54.2 billion
Die Size 212 mm² 826 mm²
Board Design
TDP 175W 400W
Suggested PSU 450 W 800 W
Outputs 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 No outputs
Power Connectors 2x 6-pin None
Graphics Features
DirectX 12 (11_1) N/A
OpenGL 4.6 N/A
OpenCL 1.2 3.0
Vulkan 1.2 N/A
Shader Model 5.1 N/A
CUDA 8.0