NVIDIA H800 SXM5 vs AMD Radeon R9 270 1024SP
GPU Specs Compare
Graphics Card
Release Date
Mar 2023
Mar 2015
Generation
Server Hopper
Volcanic Islands
Type
AI GPU
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1095 MHz
900 MHz
Boost Clock
1755 MHz
925 MHz
Memory Clock
1313 MHz
1200 MHz
Memory
Memory Size
80GB
2GB
Memory Type
HBM3
GDDR5
Memory Bus
5120bit
256bit
Bandwidth
3.36TB/s
153.6GB/s
Render Config
SM Count
132
-
Shading Units
16896
1024
TMUs
528
64
ROPs
24
32
Tensor Cores
528
-
L1 Cache
256 KB (per SM)
16 KB (per CU)
L2 Cache
50 MB
512 KB
Compute Units
-
16
Theoretical Performance
Pixel Rate
42.12 GPixel/s
29.60 GPixel/s
Texture Rate
926.6 GTexel/s
59.20 GTexel/s
FP16 (half)
237.2 TFLOPS
-
FP32 (float)
59.30 TFLOPS
1.894 TFLOPS
FP64 (double)
29.65 TFLOPS
118.4 GFLOPS
Graphics Processor
GPU Name
GH100
Pitcairn
Architecture
Hopper
GCN 1.0
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
80 billion
2.8 billion
Die Size
814 mm²
212 mm²
GPU Variant
-
Pitcairn PRO(215-0828062)
Board Design
TDP
700W
150W
Suggested PSU
1100 W
450 W
Outputs
No outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
8-pin EPS
1x 6-pin
Graphics Features
DirectX
N/A
12 (11_1)
OpenGL
N/A
4.6
OpenCL
3.0
1.2
Vulkan
N/A
1.2
CUDA
9.0
-
Shader Model
N/A
5.1