NVIDIA GeForce GTX 660 OEM vs NVIDIA GeForce GTX 660 Ti

GPU · Specs Compare

Products
GPU NVIDIA GeForce GTX 660 OEM NVIDIA · 2012-08
GPU NVIDIA GeForce GTX 660 Ti NVIDIA · 2012-08
Graphics Card
Release Date
Aug 2012
Aug 2012
Generation
GeForce 600
GeForce 600
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
823 MHz
915 MHz
Boost Clock
888 MHz
980 MHz
Memory Clock
1400 MHz
1502 MHz
Memory
Memory Size
1536MB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
192bit
192bit
Bandwidth
134.4GB/s
144.2GB/s
Render Config
Shading Units
1152
1344
TMUs
96
112
ROPs
24
24
L1 Cache
16 KB (per SMX)
16 KB (per SMX)
L2 Cache
384 KB
384 KB
Theoretical Performance
Pixel Rate
21.31 GPixel/s
27.44 GPixel/s
Texture Rate
85.25 GTexel/s
109.8 GTexel/s
FP32 (float)
2.046 TFLOPS
2.634 TFLOPS
FP64 (double)
85.25 GFLOPS
109.8 GFLOPS
Graphics Processor
GPU Name
GK104
GK104
GPU Variant
GK104-200-KD-A2
GK104-300-KD-A2
Architecture
Kepler
Kepler
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
3.54 billion
3.54 billion
Die Size
294 mm²
294 mm²
Board Design
TDP
130W
150W
Suggested PSU
300 W
450 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
1x 6-pin
2x 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
—
▲ Specs Compare Data sourced from official specifications and benchmark tests.