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

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

NVIDIA GeForce GTX 660 Rev. 2
VS
AMD Radeon RX 560 XT
NVIDIA GeForce GTX 660 Rev. 2 AMD Radeon RX 560 XT
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Rev. 2 and 4GB VRAM Radeon RX 560 XT 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
Lower TDP (140W vs 150W)
AMD Radeon RX 560 XT 's Advantages
Released 4 years and 6 months late
Boost Clock has increased by 19% (1226MHz vs 1032MHz)
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (224.0GB/s vs 144.2GB/s)
832 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce GTX 660 Rev. 2
1.981 TFLOPS
Radeon RX 560 XT +121%
4.394 TFLOPS
GeForce GTX 660 Rev. 2
VS
Radeon RX 560 XT

Graphics Card

Sep 2014
Release Date
Mar 2019
GeForce 600
Generation
Polaris
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

980 MHz
Base Clock
1074 MHz
1032 MHz
Boost Clock
1226 MHz
1502 MHz
Memory Clock
1750 MHz

Memory

2GB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
192bit
Memory Bus
256bit
144.2GB/s
Bandwidth
224.0GB/s

Render Config

-
SM Count
-
-
Compute Units
28
960
Shading Units
1792
80
TMUs
112
24
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
16 KB (per SMX)
L1 Cache
16 KB (per CU)
384 KB
L2 Cache
2 MB

Theoretical Performance

20.64 GPixel/s
Pixel Rate
39.23 GPixel/s
82.56 GTexel/s
Texture Rate
137.3 GTexel/s
-
FP16 (half)
4.394 TFLOPS
1.981 TFLOPS
FP32 (float)
4.394 TFLOPS
82.56 GFLOPS
FP64 (double)
274.6 GFLOPS

Graphics Processor

GK104
GPU Name
Ellesmere
-
GPU Variant
Polaris 10 LE1
Kepler
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
28 nm
Process Size
14 nm
3.54 billion
Transistors
5.7 billion
294 mm²
Die Size
232 mm²

Board Design

140W
TDP
150W
300 W
Suggested PSU
450 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x HDMI 2.0b 3x DisplayPort 1.4a
1x 6-pin
Power Connectors
1x 6-pin

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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