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

VS

NVIDIA GeForce GTX 660 Rev. 2

AMD Radeon RX 580 OEM

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Rev. 2 and 8GB VRAM Radeon RX 580 OEM 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 580 OEM 's Advantages

Released 1 years and 9 months late

Boost Clock has increased by 23% (1266MHz vs 1032MHz)

More VRAM (8GB vs 2GB)

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

1344 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 660 Rev. 2

1.981 TFLOPS

Radeon RX 580 OEM +194%

5.834 TFLOPS

GeForce GTX 660 Rev. 2

VS

Radeon RX 580 OEM

Graphics Card

Sep 2014

Release Date

Jun 2016

GeForce 600

Generation

Polaris

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

1266 MHz

1502 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

256bit

144.2GB/s

Bandwidth

256.0GB/s

Render Config

-

Compute Units

36

-

960

Shading Units

2304

80

TMUs

144

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

40.51 GPixel/s

82.56 GTexel/s

Texture Rate

182.3 GTexel/s

-

FP16 (half)

5.834 TFLOPS

1.981 TFLOPS

FP32 (float)

5.834 TFLOPS

82.56 GFLOPS

FP64 (double)

364.6 GFLOPS

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 Processor

GK104

GPU Name

Ellesmere

-

GPU Variant

Polaris 10 XT (215-0876184)

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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