NVIDIA H800 PCIe 80 GB vs NVIDIA TITAN RTX
GPU Specs Compare
Graphics Card
Release Date
Mar 2023
Dec 2018
Generation
Tesla Hopper
GeForce 20
Type
AI GPU
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1095 MHz
1350 MHz
Boost Clock
1755 MHz
1770 MHz
Memory Clock
1593 MHz
1750 MHz
Memory
Memory Size
80GB
24GB
Memory Type
HBM2e
GDDR6
Memory Bus
5120bit
384bit
Bandwidth
2039GB/s
672.0GB/s
Render Config
SM Count
114
72
Shading Units
14592
4608
TMUs
456
288
ROPs
24
96
Tensor Cores
456
576
L1 Cache
256 KB (per SM)
64 KB (per SM)
L2 Cache
50 MB
6 MB
RT Cores
-
72
Theoretical Performance
Pixel Rate
42.12 GPixel/s
169.9 GPixel/s
Texture Rate
800.3 GTexel/s
509.8 GTexel/s
FP16 (half)
204.9 TFLOPS
32.62 TFLOPS
FP32 (float)
51.22 TFLOPS
16.31 TFLOPS
FP64 (double)
25.61 TFLOPS
509.8 GFLOPS
Graphics Processor
GPU Name
GH100
TU102
Architecture
Hopper
Turing
Foundry
TSMC
TSMC
Process Size
4 nm
12 nm
Transistors
80 billion
18.6 billion
Die Size
814 mm²
754 mm²
GPU Variant
-
TU102-400-A1
Board Design
TDP
350W
280W
Suggested PSU
750 W
600 W
Outputs
No outputs
1x HDMI 2.03x DisplayPort 1.4a1x USB Type-C
Power Connectors
1x 16-pin
2x 8-pin
Graphics Features
DirectX
N/A
12 Ultimate (12_2)
OpenGL
N/A
4.6
OpenCL
3.0
3.0
Vulkan
N/A
1.3
CUDA
9.0
7.5
Shader Model
N/A
6.6