Product Compare

AMD Radeon R9 285 vs NVIDIA A100 SXM4 40 GB

GPU GPU
Graphics Card
Release Date Sep 2014 May 2020
Generation Volcanic Islands Tesla Ampere
Type Desktop AI GPU
Bus Interface PCIe 3.0 x16 PCIe 4.0 x16
Clock Speeds
Memory Clock 1375 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 176.0GB/s 1555GB/s
Render Config
Compute Units 28
Shading Units 1792 6912
TMUs 112 432
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 29.38 GPixel/s 225.6 GPixel/s
Texture Rate 102.8 GTexel/s 609.1 GTexel/s
FP16 (half) 3.290 TFLOPS 77.97 TFLOPS
FP32 (float) 3.290 TFLOPS 19.49 TFLOPS
FP64 (double) 205.6 GFLOPS 9.746 TFLOPS
Graphics Processor
GPU Name Tonga GA100
GPU Variant Tonga PRO(215-0851128)
Architecture GCN 3.0 Ampere
Foundry TSMC TSMC
Process Size 28 nm 7 nm
Transistors 5 billion 54.2 billion
Die Size 366 mm² 826 mm²
Board Design
TDP 190W 400W
Suggested PSU 450 W 800 W
Outputs 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 No outputs
Power Connectors 2x 6-pin None
Graphics Features
DirectX 12 (12_0) N/A
OpenGL 4.6 N/A
OpenCL 2.1 3.0
Vulkan 1.2.170 N/A
Shader Model 6.5 N/A
CUDA 8.0