NVIDIA GeForce GTX 660 Rev. 2 vs NVIDIA GeForce GTX TITAN X
GPU · Specs Compare
Graphics Card
Release Date
Sep 2014
Mar 2015
Generation
GeForce 600
GeForce 900
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
980 MHz
1000 MHz
Boost Clock
1032 MHz
1089 MHz
Memory Clock
1502 MHz
1753 MHz
Memory
Memory Size
2GB
12GB
Memory Type
GDDR5
GDDR5
Memory Bus
192bit
384bit
Bandwidth
144.2GB/s
336.6GB/s
Render Config
Shading Units
960
3072
TMUs
80
192
ROPs
24
96
L1 Cache
16 KB (per SMX)
48 KB (per SMM)
L2 Cache
384 KB
3 MB
Theoretical Performance
Pixel Rate
20.64 GPixel/s
104.5 GPixel/s
Texture Rate
82.56 GTexel/s
209.1 GTexel/s
FP32 (float)
1.981 TFLOPS
6.691 TFLOPS
FP64 (double)
82.56 GFLOPS
209.1 GFLOPS
Graphics Processor
GPU Name
GK104
GM200
Architecture
Kepler
Maxwell 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
3.54 billion
8 billion
Die Size
294 mm²
601 mm²
GPU Variant
—
GM200-400-A1
Board Design
TDP
140W
250W
Suggested PSU
300 W
600 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
1x DVI1x HDMI 2.03x DisplayPort 1.4a
Power Connectors
1x 6-pin
1x 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
5.2
Shader Model
5.1
6.4
Benchmark
3DMark Time Spy
—
5,418
3DMark Time Spy Extreme
—
2,632
Blender
—
543
▲ Specs Compare
Data sourced from official specifications and benchmark tests.