NVIDIA GeForce GTX 660 vs NVIDIA H100 SXM5 64 GB
GPU · Specs Compare
Graphics Card
Release Date
Sep 2012
Mar 2023
Generation
GeForce 600
Tesla Hopper
Type
Desktop
AI GPU
Bus Interface
PCIe 3.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
980 MHz
1665 MHz
Boost Clock
1032 MHz
1980 MHz
Memory Clock
1502 MHz
1313 MHz
Memory
Memory Size
2GB
64GB
Memory Type
GDDR5
HBM3
Memory Bus
192bit
3072bit
Bandwidth
144.2GB/s
2.02TB/s
Render Config
Shading Units
960
16896
TMUs
80
528
ROPs
24
24
L1 Cache
16 KB (per SMX)
256 KB (per SM)
L2 Cache
384 KB
30 MB
SM Count
—
132
Tensor Cores
—
528
Theoretical Performance
Pixel Rate
20.64 GPixel/s
47.52 GPixel/s
Texture Rate
82.56 GTexel/s
1045 GTexel/s
FP32 (float)
1.981 TFLOPS
66.91 TFLOPS
FP64 (double)
82.56 GFLOPS
33.45 TFLOPS
FP16 (half)
—
267.6 TFLOPS
Graphics Processor
GPU Name
GK106
GH100
GPU Variant
GK106-400-A1
—
Architecture
Kepler
Hopper
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
2.54 billion
80 billion
Die Size
221 mm²
814 mm²
Board Design
TDP
140W
700W
Suggested PSU
300 W
1100 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
Power Connectors
1x 6-pin
8-pin EPS
Graphics Features
DirectX
12 (11_0)
N/A
OpenGL
4.6
N/A
OpenCL
3.0
3.0
Vulkan
1.1
N/A
CUDA
3.0
9.0
Shader Model
5.1
N/A
Benchmark
3DMark Time Spy
1,194
—
3DMark Time Spy Extreme
260
—
OctaneBench
27
—
Blender
111
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.