GPU Comparison
GEFORCE
NVIDIA GeForce GTX 660
CORE STATE
GK106
VRAM
2 GB
CLOCK SPEED
1032 MHz
TDP
140 W
BUS WIDTH
192 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2012
VS
GEFORCE
GeForce GTX 765M
CORE STATE
GK106
VRAM
2 GB
CLOCK SPEED
863 MHz
TDP
75 W
BUS WIDTH
128 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2013
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
GTX 660
GTX 765M
Core Specs
Shading Units
960
768
-20.0%
Shaders
960
768
-20.0%
TMUs
80
64
-20.0%
ROPs
24
16
-33.3%
Clocks
Base Clock
980 MHz
797 MHz
Boost Clock
1032 MHz
863 MHz
Memory Clock
1502 MHz
6 Gbps effective
1002 MHz
4 Gbps effective
Memory
Memory Size
2 GB
2 GB
VRAM (MB)
2,048
2,048
0.0%
Memory Type
GDDR5
GDDR5
Memory Bus
192 bit
128 bit
Bandwidth
144.2 GB/s
64.13 GB/s
Cache
L1 Cache
16 KB (per SMX)
16 KB (per SMX)
L2 Cache
384 KB
256 KB
Performance
Pixel Rate
20.64 GPixel/s
13.81 GPixel/s
Texture Rate
82.56 GTexel/s
55.23 GTexel/s
FP32 (TFLOPS)
1.981 TFLOPS
1,325.6 GFLOPS
FP64 (TFLOPS)
82.56 GFLOPS (1:24)
55.23 GFLOPS (1:24)
Power
TDP
140 W
75 W
TDP (W)
140
75
-46.4%
Suggested PSU
300 W
—
Power Connectors
1x 6-pin
None
Architecture
Architecture
Kepler
Kepler
GPU Name
GK106
GK106
Generation
GeForce 600
GeForce 700M
Process Size
28 nm
28 nm
Transistors
2,540 million
2,540 million
Die Size
221 mm²
221 mm²
Foundry
TSMC
TSMC
Density
11.5M / mm²
11.5M / mm²
API Support
DirectX
12 (11_0)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.2.175
1.2.175
OpenCL
3.0
3.0
CUDA
3.0
3.0
Shader Model
6.5 (5.1)
6.5 (5.1)
Physical
Slot Width
Dual-slot
MXM Module
Length
241 mm
9.5 inches
—
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Portable Device Dependent
Bus Interface
PCIe 3.0 x16
MXM-B (3.0)
Other
Launch Price
229 USD
—
Production
End-of-life
End-of-life
Predecessor
GeForce 500
GeForce 600M
Successor
GeForce 700
GeForce 800M