NVIDIA GeForce GTX 660 vs AMD Radeon RX 580 2048SP

VS

NVIDIA GeForce GTX 660

AMD Radeon RX 580 2048SP

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 and 4GB VRAM Radeon RX 580 2048SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 's Advantages

Lower TDP (140W vs 150W)

AMD Radeon RX 580 2048SP 's Advantages

Released 6 years and 1 months late

Boost Clock has increased by 24% (1284MHz vs 1032MHz)

More VRAM (4GB vs 2GB)

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

1088 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 660

1.981 TFLOPS

Radeon RX 580 2048SP +165%

5.259 TFLOPS

3DMark Time Spy

GeForce GTX 660

1308

Radeon RX 580 2048SP +187%

3759

Blender

GeForce GTX 660

111

Radeon RX 580 2048SP +241%

379

GeForce GTX 660

VS

Radeon RX 580 2048SP

Graphics Card

Sep 2012

Release Date

Oct 2018

GeForce 600

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

980 MHz

Base Clock

1168 MHz

1032 MHz

Boost Clock

1284 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

-

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

41.09 GPixel/s

82.56 GTexel/s

Texture Rate

164.4 GTexel/s

-

FP16 (half)

5.259 TFLOPS

1.981 TFLOPS

FP32 (float)

5.259 TFLOPS

82.56 GFLOPS

FP64 (double)

328.7 GFLOPS

Board Design

140W

TDP

150W

300 W

Suggested PSU

450 W

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

Outputs

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

1x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

GK106

GPU Name

Polaris 20

GK106-400-A1

GPU Variant

Polaris 20 XL (215-0910052)

Kepler

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

2.54 billion

Transistors

5.7 billion

221 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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