NVIDIA GeForce GTX 660 vs NVIDIA GeForce GTX 650 Ti

GPU · Specs Compare

Products
GPU NVIDIA GeForce GTX 660 NVIDIA · 2012-09
GPU NVIDIA GeForce GTX 650 Ti NVIDIA · 2012-10
Graphics Card
Release Date
Sep 2012
Oct 2012
Generation
GeForce 600
GeForce 600
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
980 MHz
—
Boost Clock
1032 MHz
—
Memory Clock
1502 MHz
1350 MHz
Memory
Memory Size
2GB
1024MB
Memory Type
GDDR5
GDDR5
Memory Bus
192bit
128bit
Bandwidth
144.2GB/s
86.40GB/s
Render Config
Shading Units
960
768
TMUs
80
64
ROPs
24
16
L1 Cache
16 KB (per SMX)
16 KB (per SMX)
L2 Cache
384 KB
256 KB
Theoretical Performance
Pixel Rate
20.64 GPixel/s
14.85 GPixel/s
Texture Rate
82.56 GTexel/s
59.39 GTexel/s
FP32 (float)
1.981 TFLOPS
1425 GFLOPS
FP64 (double)
82.56 GFLOPS
59.39 GFLOPS
Graphics Processor
GPU Name
GK106
GK106
GPU Variant
GK106-400-A1
GK106-220-A1
Architecture
Kepler
Kepler
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
2.54 billion
2.54 billion
Die Size
221 mm²
221 mm²
Board Design
TDP
140W
110W
Suggested PSU
300 W
300 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
2x DVI1x mini-HDMI 1.4a
Power Connectors
1x 6-pin
1x 6-pin
Graphics Features
DirectX
12 (11_0)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.1
1.1
CUDA
3.0
3.0
Shader Model
5.1
5.1
Benchmark
3DMark Time Spy
1,194
—
3DMark Time Spy Extreme
260
—
OctaneBench
27
—
Blender
111
—
▲ Specs Compare Data sourced from official specifications and benchmark tests.