GPU Comparison
GEFORCE
NVIDIA GeForce GTX 660 Ti
CORE STATE
GK104
VRAM
2 GB
CLOCK SPEED
980 MHz
TDP
150 W
BUS WIDTH
192 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2012
VS
GEFORCE
Quadro K3000M
CORE STATE
GK104
VRAM
2 GB
CLOCK SPEED
654 MHz
TDP
75 W
BUS WIDTH
256 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2012
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
GTX 660 Ti
Quadro K3000M
Core Specs
Shading Units
1,344
576
-57.1%
Shaders
1,344
576
-57.1%
TMUs
112
48
-57.1%
ROPs
24
32
+33.3%
Clocks
Base Clock
915 MHz
654 MHz
Boost Clock
980 MHz
654 MHz
Memory Clock
1502 MHz
6 Gbps effective
700 MHz
2.8 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
89.60 GB/s
Cache
L1 Cache
16 KB (per SMX)
16 KB (per SMX)
L2 Cache
384 KB
512 KB
Performance
Pixel Rate
27.44 GPixel/s
7.848 GPixel/s
Texture Rate
109.8 GTexel/s
31.39 GTexel/s
FP32 (TFLOPS)
2.634 TFLOPS
753.4 GFLOPS
FP64 (TFLOPS)
109.8 GFLOPS (1:24)
31.39 GFLOPS (1:24)
Power
TDP
150 W
75 W
TDP (W)
150
75
-50.0%
Suggested PSU
450 W
—
Power Connectors
2x 6-pin
None
Architecture
Architecture
Kepler
Kepler
GPU Name
GK104
GK104
Generation
GeForce 600
Quadro Kepler-M
(Kx000M)
Process Size
28 nm
28 nm
Transistors
3,540 million
3,540 million
Die Size
294 mm²
294 mm²
Foundry
TSMC
TSMC
Density
12.0M / mm²
12.0M / 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
299 USD
—
Production
End-of-life
End-of-life
Predecessor
GeForce 500
Quadro Fermi-M
Successor
GeForce 700
Quadro Maxwell-M