NVIDIA GeForce GTX 660 vs AMD Radeon RX 560 Mobile
GPU · Specs Compare
Graphics Card
Release Date
Sep 2012
Jan 2017
Generation
GeForce 600
Polaris Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
MXM-B (3.0)
Clock Speeds
Base Clock
980 MHz
1090 MHz
Boost Clock
1032 MHz
1202 MHz
Memory Clock
1502 MHz
1500 MHz
Memory
Memory Size
2GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
192bit
128bit
Bandwidth
144.2GB/s
96.00GB/s
Render Config
Shading Units
960
1024
TMUs
80
64
ROPs
24
16
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
384 KB
1024 KB
Compute Units
—
16
Theoretical Performance
Pixel Rate
20.64 GPixel/s
19.23 GPixel/s
Texture Rate
82.56 GTexel/s
76.93 GTexel/s
FP32 (float)
1.981 TFLOPS
2.462 TFLOPS
FP64 (double)
82.56 GFLOPS
153.9 GFLOPS
FP16 (half)
—
2.462 TFLOPS
Graphics Processor
GPU Name
GK106
Baffin
GPU Variant
GK106-400-A1
Baffin XT
Architecture
Kepler
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
28 nm
14 nm
Transistors
2.54 billion
3 billion
Die Size
221 mm²
123 mm²
Board Design
TDP
140W
65W
Suggested PSU
300 W
—
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Portable Device Dependent
Power Connectors
1x 6-pin
None
Graphics Features
DirectX
12 (11_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.1
1.3
CUDA
3.0
—
Shader Model
5.1
6.7
Benchmark
3DMark Time Spy
1,194
—
3DMark Time Spy Extreme
260
—
OctaneBench
27
—
Blender
111
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.