AMD Radeon RX 580 vs NVIDIA GeForce GTX 660 Rev. 2

VS

AMD Radeon RX 580 NVIDIA GeForce GTX 660 Rev. 2

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 580 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 580 's Advantages

Released 2 years and 7 months late

Boost Clock has increased by 30% (1340MHz vs 1032MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (256.0GB/s vs 144.2GB/s)

1344 additional rendering cores

NVIDIA GeForce GTX 660 Rev. 2 's Advantages

Lower TDP (140W vs 185W)

Score

Benchmark

FP32 (float)

Radeon RX 580 +211%

6.175 TFLOPS

GeForce GTX 660 Rev. 2

1.981 TFLOPS

Radeon RX 580

VS

GeForce GTX 660 Rev. 2

Graphics Card

Apr 2017

Release Date

Sep 2014

Polaris

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1257 MHz

Base Clock

980 MHz

1340 MHz

Boost Clock

1032 MHz

2000 MHz

Memory Clock

1502 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

192bit

256.0GB/s

Bandwidth

144.2GB/s

Render Config

-

SM Count

-

36

Compute Units

-

2304

Shading Units

960

144

TMUs

80

32

ROPs

24

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

2 MB

L2 Cache

384 KB

Theoretical Performance

42.88 GPixel/s

Pixel Rate

20.64 GPixel/s

193.0 GTexel/s

Texture Rate

82.56 GTexel/s

6.175 TFLOPS

FP16 (half)

-

6.175 TFLOPS

FP32 (float)

1.981 TFLOPS

385.9 GFLOPS

FP64 (double)

82.56 GFLOPS

Graphics Processor

Polaris 20

GPU Name

GK104

Polaris 20 XTX (215-0910038)

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

Board Design

185W

TDP

140W

450 W

Suggested PSU

300 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

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

1x 8-pin

Power Connectors

1x 6-pin

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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