Home GPU Comparison NVIDIA GeForce GTX 660 Rev. 2 vs AMD Radeon RX 560

NVIDIA GeForce GTX 660 Rev. 2 vs AMD Radeon RX 560

NVIDIA GeForce GTX 660 Rev. 2
VS
AMD Radeon RX 560
NVIDIA GeForce GTX 660 Rev. 2
AMD Radeon RX 560
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Rev. 2 and 4GB VRAM Radeon RX 560 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 Rev. 2 's Advantages
Larger VRAM bandwidth (144.2GB/s vs 112.0GB/s)
AMD Radeon RX 560 's Advantages
Released 2 years and 7 months late
Boost Clock has increased by 24% (1275MHz vs 1032MHz)
More VRAM (4GB vs 2GB)
64 additional rendering cores
Lower TDP (75W vs 140W)

Score

Benchmark

FP32 (float)
GeForce GTX 660 Rev. 2
1.981 TFLOPS
Radeon RX 560 +31%
2.611 TFLOPS
GeForce GTX 660 Rev. 2
VS
Radeon RX 560

Graphics Card

Sep 2014
Release Date
Apr 2017
GeForce 600
Generation
Polaris
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x8

Clock Speeds

980 MHz
Base Clock
1175 MHz
1032 MHz
Boost Clock
1275 MHz
1502 MHz
Memory Clock
1750 MHz

Memory

2GB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
192bit
Memory Bus
128bit
144.2GB/s
Bandwidth
112.0GB/s

Render Config

-
Compute Units
16
-
-
-
960
Shading Units
1024
80
TMUs
64
24
ROPs
16
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per CU)
384 KB
L2 Cache
1024 KB
-
-
-

Theoretical Performance

20.64 GPixel/s
Pixel Rate
20.40 GPixel/s
82.56 GTexel/s
Texture Rate
81.60 GTexel/s
-
FP16 (half)
2.611 TFLOPS
1.981 TFLOPS
FP32 (float)
2.611 TFLOPS
82.56 GFLOPS
FP64 (double)
163.2 GFLOPS

Board Design

140W
TDP
75W
300 W
Suggested PSU
250 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a
1x 6-pin
Power Connectors
None

Graphics Processor

GK104
GPU Name
Polaris 21
-
GPU Variant
Polaris 21 XT (215-0908004)
Kepler
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
28 nm
Process Size
14 nm
3.54 billion
Transistors
3 billion
294 mm²
Die Size
123 mm²

Graphics Features

12 (11_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.1
Vulkan
1.2
3.0
CUDA
-
5.1
Shader Model
6.4

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