NVIDIA GeForce GTX 660 Rev. 2 vs AMD Radeon RX 570 X2

VS

NVIDIA GeForce GTX 660 Rev. 2

AMD Radeon RX 570 X2

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Rev. 2 and 8GB VRAM Radeon RX 570 X2 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 180W)

AMD Radeon RX 570 X2 's Advantages

Boost Clock has increased by 17% (1206MHz vs 1032MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (268.8GB/s vs 144.2GB/s)

1088 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 660 Rev. 2

1.981 TFLOPS

Radeon RX 570 X2 +149%

4.94 TFLOPS

GeForce GTX 660 Rev. 2

VS

Radeon RX 570 X2

Graphics Card

Sep 2014

Release Date

Unknown

GeForce 600

Generation

Mining GPUs

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

980 MHz

Base Clock

1120 MHz

1032 MHz

Boost Clock

1206 MHz

1502 MHz

Memory Clock

2100 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

256bit

144.2GB/s

Bandwidth

268.8GB/s

Render Config

-

Compute Units

32

-

960

Shading Units

2048

80

TMUs

128

24

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

2 MB

-

Theoretical Performance

20.64 GPixel/s

Pixel Rate

38.59 GPixel/s

82.56 GTexel/s

Texture Rate

154.4 GTexel/s

-

FP16 (half)

4.940 TFLOPS

1.981 TFLOPS

FP32 (float)

4.940 TFLOPS

82.56 GFLOPS

FP64 (double)

308.7 GFLOPS

Board Design

140W

TDP

180W

300 W

Suggested PSU

450 W

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

Outputs

1x HDMI 2.0b

1x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

GK104

GPU Name

Polaris 20

-

GPU Variant

Polaris 20 XL (215-0910052)

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

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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