NVIDIA GeForce GTX 660 vs NVIDIA CMP 170HX 8 GB
GPU · Specs Compare
Graphics Card
Release Date
Sep 2012
Sep 2021
Generation
GeForce 600
Mining GPUs
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 1.0 x4
Clock Speeds
Base Clock
980 MHz
1140 MHz
Boost Clock
1032 MHz
1410 MHz
Memory Clock
1502 MHz
1458 MHz
Memory
Memory Size
2GB
8GB
Memory Type
GDDR5
HBM2e
Memory Bus
192bit
4096bit
Bandwidth
144.2GB/s
1.49TB/s
Render Config
Shading Units
960
4480
TMUs
80
280
ROPs
24
128
L1 Cache
16 KB (per SMX)
192 KB (per SM)
L2 Cache
384 KB
8 MB
SM Count
—
70
Tensor Cores
—
280
Theoretical Performance
Pixel Rate
20.64 GPixel/s
180.5 GPixel/s
Texture Rate
82.56 GTexel/s
394.8 GTexel/s
FP32 (float)
1.981 TFLOPS
12.63 TFLOPS
FP64 (double)
82.56 GFLOPS
6.317 TFLOPS
FP16 (half)
—
50.53 TFLOPS
Graphics Processor
GPU Name
GK106
GA100
GPU Variant
GK106-400-A1
GA100-105F-A1
Architecture
Kepler
Ampere
Foundry
TSMC
TSMC
Process Size
28 nm
7 nm
Transistors
2.54 billion
54.2 billion
Die Size
221 mm²
826 mm²
Board Design
TDP
140W
250W
Suggested PSU
300 W
600 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
Power Connectors
1x 6-pin
2x 8-pin
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
8.0
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.