AMD Radeon RX 580G vs NVIDIA GeForce GTX 660 Ti

VS

AMD Radeon RX 580G

NVIDIA GeForce GTX 660 Ti

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 580G and 2GB VRAM GeForce GTX 660 Ti to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580G 's Advantages

Released 6 years and 2 months late

Boost Clock has increased by 36% (1330MHz vs 980MHz)

More VRAM (8GB vs 2GB)

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

960 additional rendering cores

NVIDIA GeForce GTX 660 Ti 's Advantages

Lower TDP (150W vs 185W)

Score

Benchmark

FP32 (float)

Radeon RX 580G +132%

6.129 TFLOPS

GeForce GTX 660 Ti

2.634 TFLOPS

Radeon RX 580G

VS

GeForce GTX 660 Ti

Graphics Card

Oct 2018

Release Date

Aug 2012

Polaris

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1257 MHz

Base Clock

915 MHz

1330 MHz

Boost Clock

980 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

36

Compute Units

-

2304

Shading Units

1344

144

TMUs

112

32

ROPs

24

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

2 MB

L2 Cache

384 KB

-

Theoretical Performance

42.56 GPixel/s

Pixel Rate

27.44 GPixel/s

191.5 GTexel/s

Texture Rate

109.8 GTexel/s

6.129 TFLOPS

FP16 (half)

-

6.129 TFLOPS

FP32 (float)

2.634 TFLOPS

383.0 GFLOPS

FP64 (double)

109.8 GFLOPS

Board Design

185W

TDP

150W

450 W

Suggested PSU

450 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

2x 6-pin

Graphics Processor

Polaris 20

GPU Name

GK104

Polaris 20 XTX (215-0910038)

GPU Variant

GK104-300-KD-A2

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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