NVIDIA GeForce GTX 660 Ti vs NVIDIA CMP 30HX
GPU Specs Compare
Graphics Card
Release Date
Aug 2012
Feb 2021
Generation
GeForce 600
Mining GPUs
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 1.0 x4
Clock Speeds
Base Clock
915 MHz
1530 MHz
Boost Clock
980 MHz
1785 MHz
Memory Clock
1502 MHz
1750 MHz
Memory
Memory Size
2GB
6GB
Memory Type
GDDR5
GDDR6
Memory Bus
192bit
192bit
Bandwidth
144.2GB/s
336.0GB/s
Render Config
Shading Units
1344
1408
TMUs
112
88
ROPs
24
48
L1 Cache
16 KB (per SMX)
64 KB (per SM)
L2 Cache
384 KB
1536 KB
SM Count
-
22
Theoretical Performance
Pixel Rate
27.44 GPixel/s
85.68 GPixel/s
Texture Rate
109.8 GTexel/s
157.1 GTexel/s
FP32 (float)
2.634 TFLOPS
5.027 TFLOPS
FP64 (double)
109.8 GFLOPS
157.1 GFLOPS
FP16 (half)
-
10.05 TFLOPS
Graphics Processor
GPU Name
GK104
TU116
GPU Variant
GK104-300-KD-A2
TU116-100-A1
Architecture
Kepler
Turing
Foundry
TSMC
TSMC
Process Size
28 nm
12 nm
Transistors
3.54 billion
6.6 billion
Die Size
294 mm²
284 mm²
Board Design
TDP
150W
125W
Suggested PSU
450 W
300 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
Power Connectors
2x 6-pin
1x 8-pin
Graphics Features
DirectX
12 (11_0)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.1
1.3
CUDA
3.0
7.5
Shader Model
5.1
6.8