NVIDIA H800 PCIe 80 GB vs NVIDIA GeForce RTX 6090
GPU · Specs Compare
Graphics Card
Release Date
Mar 2023
Jan 2027
Generation
Tesla 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
2700 MHz
Memory Clock
1593 MHz
1750 MHz
Memory
Memory Size
80GB
32GB
Memory Type
HBM2e
GDDR7
Memory Bus
5120bit
512bit
Bandwidth
2039GB/s
1.79TB/s
Render Config
SM Count
114
192
Shading Units
14592
24576
TMUs
456
768
ROPs
24
192
Tensor Cores
456
768
L1 Cache
256 KB (per SM)
128 KB (per SM)
L2 Cache
50 MB
96 MB
RT Cores
—
192
Theoretical Performance
Pixel Rate
42.12 GPixel/s
518.4 GPixel/s
Texture Rate
800.3 GTexel/s
2073.6 GTexel/s
FP16 (half)
204.9 TFLOPS
132.7 TFLOPS
FP32 (float)
51.22 TFLOPS
132.7 TFLOPS
FP64 (double)
25.61 TFLOPS
2.074 TFLOPS
Graphics Processor
GPU Name
GH100
GR202
Architecture
Hopper
Rubin
Foundry
TSMC
TSMC
Process Size
4 nm
3 nm
Transistors
80 billion
Unknown
Die Size
814 mm²
Unknown
GPU Variant
—
GR202-300-A1
Board Design
TDP
350W
525W
Suggested PSU
750 W
900 W
Outputs
No outputs
1x HDMI 2.1b3x DisplayPort 2.1b
Power Connectors
1x 16-pin
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
▲ Specs Compare
Data sourced from official specifications and benchmark tests.