NVIDIA H800 PCIe 80 GB vs AMD Radeon HD 7870 XT
GPU Specs Compare
Graphics Card
Release Date
Mar 2023
Nov 2012
Generation
Tesla Hopper
Southern Islands
Type
AI GPU
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1095 MHz
925 MHz
Boost Clock
1755 MHz
975 MHz
Memory Clock
1593 MHz
1500 MHz
Memory
Memory Size
80GB
2GB
Memory Type
HBM2e
GDDR5
Memory Bus
5120bit
256bit
Bandwidth
2039GB/s
192.0GB/s
Render Config
SM Count
114
-
Shading Units
14592
1536
TMUs
456
96
ROPs
24
32
Tensor Cores
456
-
L1 Cache
256 KB (per SM)
16 KB (per CU)
L2 Cache
50 MB
512 KB
Compute Units
-
24
Theoretical Performance
Pixel Rate
42.12 GPixel/s
31.20 GPixel/s
Texture Rate
800.3 GTexel/s
93.60 GTexel/s
FP16 (half)
204.9 TFLOPS
-
FP32 (float)
51.22 TFLOPS
2.995 TFLOPS
FP64 (double)
25.61 TFLOPS
748.8 GFLOPS
Graphics Processor
GPU Name
GH100
Tahiti
Architecture
Hopper
GCN 1.0
Foundry
TSMC
TSMC
Process Size
4 nm
28 nm
Transistors
80 billion
4.313 billion
Die Size
814 mm²
352 mm²
GPU Variant
-
Tahiti LE(215-0821122)
Board Design
TDP
350W
185W
Suggested PSU
750 W
450 W
Outputs
No outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
1x 16-pin
2x 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