NVIDIA TITAN X Pascal vs NVIDIA GeForce GTX 660
We compared two Desktop platform GPUs: 12GB VRAM TITAN X Pascal and 2GB VRAM GeForce GTX 660 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA TITAN X Pascal 's Advantages
Released 3 years and 11 months late
Boost Clock has increased by 48% (1531MHz vs 1032MHz)
More VRAM (12GB vs 2GB)
Larger VRAM bandwidth (480.4GB/s vs 144.2GB/s)
2624 additional rendering cores
NVIDIA GeForce GTX 660 's Advantages
Lower TDP (140W vs 250W)
Score
Benchmark
FP32 (float)
TITAN X Pascal
+453%
10.97 TFLOPS
GeForce GTX 660
1.981 TFLOPS
3DMark Time Spy
TITAN X Pascal
+724%
9844
GeForce GTX 660
1194
3DMark Time Spy Extreme
TITAN X Pascal
+1750%
4812
GeForce GTX 660
260
Graphics Card
Aug 2016
Release Date
Sep 2012
GeForce 10
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1417 MHz
Base Clock
980 MHz
1531 MHz
Boost Clock
1032 MHz
1251 MHz
Memory Clock
1502 MHz
Memory
12GB
Memory Size
2GB
GDDR5X
Memory Type
GDDR5
384bit
Memory Bus
192bit
480.4GB/s
Bandwidth
144.2GB/s
Render Config
-
-
-
28
SM Count
-
3584
Shading Units
960
224
TMUs
80
96
ROPs
24
-
-
-
-
-
-
48 KB (per SM)
L1 Cache
16 KB (per SMX)
3 MB
L2 Cache
384 KB
-
-
-
Theoretical Performance
147.0 GPixel/s
Pixel Rate
20.64 GPixel/s
342.9 GTexel/s
Texture Rate
82.56 GTexel/s
171.5 GFLOPS
FP16 (half)
-
10.97 TFLOPS
FP32 (float)
1.981 TFLOPS
342.9 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
GP102
GPU Name
GK106
GP102-400-A1
GPU Variant
GK106-400-A1
Pascal
Architecture
Kepler
TSMC
Foundry
TSMC
16 nm
Process Size
28 nm
11.8 billion
Transistors
2.54 billion
471 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
6.1
CUDA
3.0
6.4
Shader Model
5.1
