AMD Radeon Sky 900 vs NVIDIA H800 SXM5
GPU Specs Compare
Graphics Card
Release Date
Mar 2013
Mar 2023
Generation
Radeon Sky
Server Hopper
Type
Desktop
AI GPU
Bus Interface
PCIe 3.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
825 MHz
1095 MHz
Boost Clock
950 MHz
1755 MHz
Memory Clock
1250 MHz
1313 MHz
Memory
Memory Size
3GB
80GB
Memory Type
GDDR5
HBM3
Memory Bus
384bit
5120bit
Bandwidth
240.0GB/s
3.36TB/s
Render Config
Compute Units
28
-
Shading Units
1792
16896
TMUs
112
528
ROPs
32
24
L1 Cache
16 KB (per CU)
256 KB (per SM)
L2 Cache
768 KB
50 MB
SM Count
-
132
Tensor Cores
-
528
Theoretical Performance
Pixel Rate
30.40 GPixel/s
42.12 GPixel/s
Texture Rate
106.4 GTexel/s
926.6 GTexel/s
FP32 (float)
3.405 TFLOPS
59.30 TFLOPS
FP64 (double)
851.2 GFLOPS
29.65 TFLOPS
FP16 (half)
-
237.2 TFLOPS
Graphics Processor
GPU Name
Tahiti
GH100
GPU Variant
Orthrus
-
Architecture
GCN 1.0
Hopper
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
4.313 billion
80 billion
Die Size
352 mm²
814 mm²
Board Design
TDP
300W
700W
Suggested PSU
700 W
1100 W
Outputs
1x DVI1x mini-DisplayPort 1.2
No outputs
Power Connectors
2x 8-pin
8-pin EPS
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
-
9.0