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
Quadro K2000
CORE STATE
GK107
VRAM
2 GB
CLOCK SPEED
—
TDP
51 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
Quadro K2000
Core Specs
Shading Units
960
384
-60.0%
Shaders
960
384
-60.0%
TMUs
80
32
-60.0%
ROPs
24
16
-33.3%
Clocks
Base Clock
980 MHz
—
Boost Clock
1032 MHz
—
GPU Clock
—
954 MHz
Memory Clock
1502 MHz
6 Gbps effective
1000 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
64.00 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
7.632 GPixel/s
Texture Rate
82.56 GTexel/s
30.53 GTexel/s
FP32 (TFLOPS)
1.981 TFLOPS
732.7 GFLOPS
FP64 (TFLOPS)
82.56 GFLOPS (1:24)
30.53 GFLOPS (1:24)
Power
TDP
140 W
51 W
TDP (W)
140
51
-63.6%
Suggested PSU
300 W
250 W
Power Connectors
1x 6-pin
None
Architecture
Architecture
Kepler
Kepler
GPU Name
GK106
GK107
Generation
GeForce 600
Quadro Kepler
(Kx000)
Process Size
28 nm
28 nm
Transistors
2,540 million
1,270 million
Die Size
221 mm²
118 mm²
Foundry
TSMC
TSMC
Density
11.5M / mm²
10.8M / 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
Single-slot
Length
241 mm
9.5 inches
202 mm
8 inches
Height
—
111 mm
4.4 inches
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
1x DVI2x DisplayPort 1.2
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Other
Launch Price
229 USD
599 USD
Production
End-of-life
End-of-life
Predecessor
GeForce 500
Quadro Fermi
Successor
GeForce 700
Quadro Maxwell