NVIDIA H800 PCIe 80 GB vs NVIDIA GeForce GTX 1660
GPU · Specs Compare
Graphics Card
Release Date
Mar 2023
Mar 2019
Generation
Tesla Hopper
GeForce 16
Type
AI GPU
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1095 MHz
1530 MHz
Boost Clock
1755 MHz
1785 MHz
Memory Clock
1593 MHz
2001 MHz
Memory
Memory Size
80GB
6GB
Memory Type
HBM2e
GDDR5
Memory Bus
5120bit
192bit
Bandwidth
2039GB/s
192.1GB/s
Render Config
SM Count
114
22
Shading Units
14592
1408
TMUs
456
88
ROPs
24
48
Tensor Cores
456
—
L1 Cache
256 KB (per SM)
64 KB (per SM)
L2 Cache
50 MB
1536 KB
Theoretical Performance
Pixel Rate
42.12 GPixel/s
85.68 GPixel/s
Texture Rate
800.3 GTexel/s
157.1 GTexel/s
FP16 (half)
204.9 TFLOPS
10.05 TFLOPS
FP32 (float)
51.22 TFLOPS
5.027 TFLOPS
FP64 (double)
25.61 TFLOPS
157.1 GFLOPS
Graphics Processor
GPU Name
GH100
TU116
Architecture
Hopper
Turing
Foundry
TSMC
TSMC
Process Size
4 nm
12 nm
Transistors
80 billion
6.6 billion
Die Size
814 mm²
284 mm²
GPU Variant
—
TU116-300-A1
Board Design
TDP
350W
120W
Suggested PSU
750 W
300 W
Outputs
No outputs
1x DVI1x HDMI 2.01x DisplayPort 1.4a
Power Connectors
1x 16-pin
1x 8-pin
Graphics Features
DirectX
N/A
12 (12_1)
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
Benchmark
3DMark Time Spy
—
5,444
3DMark Time Spy Extreme
—
2,465
▲ Specs Compare
Data sourced from official specifications and benchmark tests.