AMD Radeon RX 570X vs NVIDIA GeForce GTX 660 Rev. 2

VS

AMD Radeon RX 570X

NVIDIA GeForce GTX 660 Rev. 2

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 570X and 2GB VRAM GeForce GTX 660 Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 570X 's Advantages

Released 3 years and 7 months late

Boost Clock has increased by 21% (1244MHz vs 1032MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (224.0GB/s vs 144.2GB/s)

1088 additional rendering cores

NVIDIA GeForce GTX 660 Rev. 2 's Advantages

Lower TDP (140W vs 150W)

Score

Benchmark

FP32 (float)

Radeon RX 570X +157%

5.095 TFLOPS

GeForce GTX 660 Rev. 2

1.981 TFLOPS

Radeon RX 570X

VS

GeForce GTX 660 Rev. 2

Graphics Card

Apr 2018

Release Date

Sep 2014

Polaris

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1168 MHz

Base Clock

980 MHz

1244 MHz

Boost Clock

1032 MHz

1750 MHz

Memory Clock

1502 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

192bit

224.0GB/s

Bandwidth

144.2GB/s

Render Config

32

Compute Units

-

2048

Shading Units

960

128

TMUs

80

32

ROPs

24

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

2 MB

L2 Cache

384 KB

-

Theoretical Performance

39.81 GPixel/s

Pixel Rate

20.64 GPixel/s

159.2 GTexel/s

Texture Rate

82.56 GTexel/s

5.095 TFLOPS

FP16 (half)

-

5.095 TFLOPS

FP32 (float)

1.981 TFLOPS

318.5 GFLOPS

FP64 (double)

82.56 GFLOPS

Board Design

150W

TDP

140W

450 W

Suggested PSU

300 W

1x DVI 1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Polaris 20

GPU Name

GK104

Polaris 20 XL (215-0910052)

GPU Variant

-

GCN 4.0

Architecture

Kepler

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5.7 billion

Transistors

3.54 billion

232 mm²

Die Size

294 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

6.4

Shader Model

5.1

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