NVIDIA GeForce GTX 660 Ti vs NVIDIA P102 101
GPU Specs Compare
Graphics Card
Release Date
Aug 2012
Jan 2018
Generation
GeForce 600
Mining GPUs
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x4
Clock Speeds
Base Clock
915 MHz
1557 MHz
Boost Clock
980 MHz
1670 MHz
Memory Clock
1502 MHz
2002 MHz
Memory
Memory Size
2GB
10GB
Memory Type
GDDR5
GDDR5
Memory Bus
192bit
320bit
Bandwidth
144.2GB/s
320.3GB/s
Render Config
Shading Units
1344
3200
TMUs
112
200
ROPs
24
80
L1 Cache
16 KB (per SMX)
48 KB (per SM)
L2 Cache
384 KB
0 MB
SM Count
-
25
Theoretical Performance
Pixel Rate
27.44 GPixel/s
133.6 GPixel/s
Texture Rate
109.8 GTexel/s
334.0 GTexel/s
FP32 (float)
2.634 TFLOPS
10.69 TFLOPS
FP64 (double)
109.8 GFLOPS
334.0 GFLOPS
FP16 (half)
-
167.0 GFLOPS
Graphics Processor
GPU Name
GK104
GP102
GPU Variant
GK104-300-KD-A2
GP102-101-A1
Architecture
Kepler
Pascal
Foundry
TSMC
TSMC
Process Size
28 nm
16 nm
Transistors
3.54 billion
11.8 billion
Die Size
294 mm²
471 mm²
Board Design
TDP
150W
250W
Suggested PSU
450 W
600 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
Power Connectors
2x 6-pin
2x 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
6.1
Shader Model
5.1
6.4