GeForce GTX TITAN X vs GeForce GTX 660
We compared two Desktop platform GPUs: 12GB VRAM GeForce GTX TITAN X and 2GB VRAM GeForce GTX 660 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX TITAN X 's Advantages
Released 2 years and 6 months late
Boost Clock has increased by 6% (1089MHz vs 1032MHz)
More VRAM (12GB vs 2GB)
Larger VRAM bandwidth (336.6GB/s vs 144.2GB/s)
2112 additional rendering cores
GeForce GTX 660 's Advantages
Lower TDP (140W vs 250W)
Score
Benchmark
FP32 (float)
GeForce GTX TITAN X
+237%
6691
GeForce GTX 660
1981
3DMark Time Spy
GeForce GTX TITAN X
+353%
5418
GeForce GTX 660
1194
3DMark Time Spy Extreme
GeForce GTX TITAN X
+912%
2632
GeForce GTX 660
260
Blender
GeForce GTX TITAN X
+389%
543
GeForce GTX 660
111
OctaneBench
GeForce GTX TITAN X
+225%
88
GeForce GTX 660
27
Graphics Card
Mar 2015
Release Date
Sep 2012
GeForce 900
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1000 MHz
Base Clock
980 MHz
1089 MHz
Boost Clock
1032 MHz
1753 MHz
Memory Clock
1502 MHz
Memory
12GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
192bit
336.6GB/s
Bandwidth
144.2GB/s
Render Config
3072
Shading Units
960
192
TMUs
80
96
ROPs
24
48 KB (per SMM)
L1 Cache
16 KB (per SMX)
3 MB
L2 Cache
384 KB
Theoretical Performance
104.5 GPixel/s
Pixel Rate
20.64 GPixel/s
209.1 GTexel/s
Texture Rate
82.56 GTexel/s
6.691 TFLOPS
FP32 (float)
1.981 TFLOPS
209.1 GFLOPS
FP64 (double)
82.56 GFLOPS
Board Design
250W
TDP
140W
600 W
Suggested PSU
300 W
1x DVI
1x HDMI 2.0
3x DisplayPort 1.4a
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
1x 6-pin + 1x 8-pin
Power Connectors
1x 6-pin
Graphics Processor
GM200
GPU Name
GK106
GM200-400-A1
GPU Variant
GK106-400-A1
Maxwell 2.0
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
8 billion
Transistors
2.54 billion
601 mm²
Die Size
221 mm²
Graphics Features
12 (12_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.1
5.2
CUDA
3.0
6.4
Shader Model
5.1
