NVIDIA H800 SXM5 vs NVIDIA GeForce RTX 6080
GPU Specs Compare
Graphics Card
Release Date
Mar 2023
Jan 2027
Generation
Server Hopper
GeForce 60
Type
AI GPU
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
1095 MHz
2300 MHz
Boost Clock
1755 MHz
2800 MHz
Memory Clock
1313 MHz
1875 MHz
Memory
Memory Size
80GB
20GB
Memory Type
HBM3
GDDR7
Memory Bus
5120bit
320bit
Bandwidth
3.36TB/s
1.20TB/s
Render Config
SM Count
132
84
Shading Units
16896
10752
TMUs
528
336
ROPs
24
112
Tensor Cores
528
336
L1 Cache
256 KB (per SM)
128 KB (per SM)
L2 Cache
50 MB
64 MB
RT Cores
-
84
Theoretical Performance
Pixel Rate
42.12 GPixel/s
313.6 GPixel/s
Texture Rate
926.6 GTexel/s
940.8 GTexel/s
FP16 (half)
237.2 TFLOPS
60.21 TFLOPS
FP32 (float)
59.30 TFLOPS
60.21 TFLOPS
FP64 (double)
29.65 TFLOPS
940.8 GFLOPS
Graphics Processor
GPU Name
GH100
GR203
Architecture
Hopper
Rubin
Foundry
TSMC
TSMC
Process Size
5 nm
3 nm
Transistors
80 billion
Unknown
Die Size
814 mm²
Unknown
GPU Variant
-
GR203-400-A1
Board Design
TDP
700W
350W
Suggested PSU
1100 W
750 W
Outputs
No outputs
1x HDMI 2.1b3x DisplayPort 2.1b
Power Connectors
8-pin EPS
1x 16-pin
Graphics Features
DirectX
N/A
12 Ultimate (12_2)
OpenGL
N/A
4.6
OpenCL
3.0
3.0
Vulkan
N/A
1.4
CUDA
9.0
12.0
Shader Model
N/A
6.9