Product Compare

AMD Radeon R9 390 X2 vs NVIDIA H800 PCIe 80 GB

GPU GPU
Graphics Card
Release Date Sep 2015 Mar 2023
Generation Pirate Islands Tesla Hopper
Type Desktop AI GPU
Bus Interface PCIe 3.0 x16 PCIe 5.0 x16
Clock Speeds
Memory Clock 1350 MHz 1593 MHz
Base Clock 1095 MHz
Boost Clock 1755 MHz
Memory
Memory Size 8GB 80GB
Memory Type GDDR5 HBM2e
Memory Bus 512bit 5120bit
Bandwidth 345.6GB/s 2039GB/s
Render Config
Compute Units 40
Shading Units 2560 14592
TMUs 160 456
ROPs 64 24
L1 Cache 16 KB (per CU) 256 KB (per SM)
L2 Cache 1024 KB 50 MB
SM Count 114
Tensor Cores 456
Theoretical Performance
Pixel Rate 64.00 GPixel/s 42.12 GPixel/s
Texture Rate 160.0 GTexel/s 800.3 GTexel/s
FP32 (float) 5.120 TFLOPS 51.22 TFLOPS
FP64 (double) 640.0 GFLOPS 25.61 TFLOPS
FP16 (half) 204.9 TFLOPS
Graphics Processor
GPU Name Grenada GH100
GPU Variant Grenada PRO(215-0880030)
Architecture GCN 2.0 Hopper
Foundry TSMC TSMC
Process Size 28 nm 4 nm
Transistors 6.2 billion 80 billion
Die Size 438 mm² 814 mm²
Board Design
TDP 580W 350W
Suggested PSU 950 W 750 W
Outputs 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 No outputs
Power Connectors 4x 8-pin 1x 16-pin
Graphics Features
DirectX 12 (12_0) N/A
OpenGL 4.6 N/A
OpenCL 2.0 3.0
Vulkan 1.2 N/A
Shader Model 6.3 N/A
CUDA 9.0