NVIDIA H800 PCIe 80 GB vs Intel Arc B770
GPU Specs Compare
Graphics Card
Release Date
Mar 2023
Jan 2026
Generation
Tesla Hopper
Battlemage
Type
AI GPU
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1095 MHz
2100 MHz
Boost Clock
1755 MHz
2400 MHz
Memory Clock
1593 MHz
2000 MHz
Memory
Memory Size
80GB
16GB
Memory Type
HBM2e
GDDR6
Memory Bus
5120bit
256bit
Bandwidth
2039GB/s
512.0GB/s
Render Config
SM Count
114
-
Shading Units
14592
4096
TMUs
456
256
ROPs
24
128
Tensor Cores
456
-
L1 Cache
256 KB (per SM)
-
L2 Cache
50 MB
16 MB
RT Cores
-
32
Theoretical Performance
Pixel Rate
42.12 GPixel/s
307.2 GPixel/s
Texture Rate
800.3 GTexel/s
614.4 GTexel/s
FP16 (half)
204.9 TFLOPS
39.32 TFLOPS
FP32 (float)
51.22 TFLOPS
19.66 TFLOPS
FP64 (double)
25.61 TFLOPS
2.458 TFLOPS
Graphics Processor
GPU Name
GH100
BMG-G31
Architecture
Hopper
Xe2-HPG
Foundry
TSMC
TSMC
Process Size
4 nm
5 nm
Transistors
80 billion
Unknown
Die Size
814 mm²
Unknown
Board Design
TDP
350W
225W
Suggested PSU
750 W
550 W
Outputs
No outputs
1x HDMI 2.1a3x DisplayPort 2.1
Power Connectors
1x 16-pin
1x 6-pin + 1x 8-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
-
Shader Model
N/A
6.6