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 2000D
CORE STATE
GF106
VRAM
1024 MB
CLOCK SPEED
—
TDP
62 W
BUS WIDTH
128 bit
ARCHITECTURE
Fermi
PROCESS
40 nm
LAUNCH DATE
2011
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
GTX 660
Quadro 2000D
Core Specs
Shading Units
960
192
-80.0%
Shaders
960
192
-80.0%
TMUs
80
32
-60.0%
ROPs
24
16
-33.3%
SM Count
—
4
Clocks
Base Clock
980 MHz
—
Boost Clock
1032 MHz
—
GPU Clock
—
625 MHz
Shader Clock
—
1250 MHz
Memory Clock
1502 MHz
6 Gbps effective
650 MHz
2.6 Gbps effective
Memory
Memory Size
2 GB
1024 MB
VRAM (MB)
2,048
1,024
-50.0%
Memory Type
GDDR5
GDDR5
Memory Bus
192 bit
128 bit
Bandwidth
144.2 GB/s
41.60 GB/s
Cache
L1 Cache
16 KB (per SMX)
64 KB (per SM)
L2 Cache
384 KB
256 KB
Performance
Pixel Rate
20.64 GPixel/s
5.000 GPixel/s
Texture Rate
82.56 GTexel/s
20.00 GTexel/s
FP32 (TFLOPS)
1.981 TFLOPS
480.0 GFLOPS
FP64 (TFLOPS)
82.56 GFLOPS (1:24)
40.00 GFLOPS (1:12)
Power
TDP
140 W
62 W
TDP (W)
140
62
-55.7%
Suggested PSU
300 W
250 W
Power Connectors
1x 6-pin
None
Architecture
Architecture
Kepler
Fermi
GPU Name
GK106
GF106
Generation
GeForce 600
Quadro Fermi
(x000)
Process Size
28 nm
40 nm
Transistors
2,540 million
1,170 million
Die Size
221 mm²
238 mm²
Foundry
TSMC
TSMC
Density
11.5M / mm²
4.9M / 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
Single-slot
Length
241 mm
9.5 inches
178 mm
7 inches
Height
—
111 mm
4.4 inches
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
2x DVI
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 FX Tesla
Successor
GeForce 700
Quadro Kepler