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 4000M
CORE STATE
GF104
VRAM
2 GB
CLOCK SPEED
—
TDP
100 W
BUS WIDTH
256 bit
ARCHITECTURE
Fermi
PROCESS
40 nm
LAUNCH DATE
2011
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
GTX 660
Quadro 4000M
Core Specs
Shading Units
960
336
-65.0%
Shaders
960
336
-65.0%
TMUs
80
56
-30.0%
ROPs
24
32
+33.3%
SM Count
—
7
Clocks
Base Clock
980 MHz
—
Boost Clock
1032 MHz
—
GPU Clock
—
475 MHz
Shader Clock
—
950 MHz
Memory Clock
1502 MHz
6 Gbps effective
625 MHz
2.5 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
256 bit
Bandwidth
144.2 GB/s
80.00 GB/s
Cache
L1 Cache
16 KB (per SMX)
64 KB (per SM)
L2 Cache
384 KB
512 KB
Performance
Pixel Rate
20.64 GPixel/s
6.650 GPixel/s
Texture Rate
82.56 GTexel/s
26.60 GTexel/s
FP32 (TFLOPS)
1.981 TFLOPS
638.4 GFLOPS
FP64 (TFLOPS)
82.56 GFLOPS (1:24)
53.20 GFLOPS (1:12)
Power
TDP
140 W
100 W
TDP (W)
140
100
-28.6%
Suggested PSU
300 W
—
Power Connectors
1x 6-pin
None
Architecture
Architecture
Kepler
Fermi
GPU Name
GK106
GF104
Generation
GeForce 600
Quadro Fermi-M
(x000M)
Process Size
28 nm
40 nm
Transistors
2,540 million
1,950 million
Die Size
221 mm²
332 mm²
Foundry
TSMC
TSMC
Density
11.5M / mm²
5.9M / mm²
API Support
DirectX
12 (11_0)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.2.175
—
OpenCL
3.0
1.1
CUDA
3.0
2.1
Shader Model
6.5 (5.1)
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
Quadro FX Mobile
Successor
GeForce 700
Quadro Kepler-M