NVIDIA GeForce GTX 660 OEM vs NVIDIA GeForce GTX 770M
GPU Specs Compare
Graphics Card
Release Date
Aug 2012
May 2013
Generation
GeForce 600
GeForce 700M
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
MXM-B (3.0)
Clock Speeds
Base Clock
823 MHz
706 MHz
Boost Clock
888 MHz
797 MHz
Memory Clock
1400 MHz
1002 MHz
Memory
Memory Size
1536MB
3GB
Memory Type
GDDR5
GDDR5
Memory Bus
192bit
192bit
Bandwidth
134.4GB/s
96.19GB/s
Render Config
Shading Units
1152
960
TMUs
96
80
ROPs
24
24
L1 Cache
16 KB (per SMX)
16 KB (per SMX)
L2 Cache
384 KB
384 KB
Theoretical Performance
Pixel Rate
21.31 GPixel/s
15.94 GPixel/s
Texture Rate
85.25 GTexel/s
63.76 GTexel/s
FP32 (float)
2.046 TFLOPS
1.530 TFLOPS
FP64 (double)
85.25 GFLOPS
63.76 GFLOPS
Graphics Processor
GPU Name
GK104
GK106
GPU Variant
GK104-200-KD-A2
N14E-GS-A1
Architecture
Kepler
Kepler
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
3.54 billion
2.54 billion
Die Size
294 mm²
221 mm²
Board Design
TDP
130W
75W
Suggested PSU
300 W
-
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
Power Connectors
1x 6-pin
None
Graphics Features
DirectX
12 (11_0)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.1
1.1
CUDA
3.0
3.0
Shader Model
5.1
5.1
📊 Benchmark
3DMark Time Spy
1,194
-
3DMark Time Spy Extreme
260
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