AMD Radeon RX 580X vs NVIDIA GeForce GTX 660 OEM

VS

AMD Radeon RX 580X

NVIDIA GeForce GTX 660 OEM

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 580X and 1536MB VRAM GeForce GTX 660 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580X 's Advantages

Released 5 years and 8 months late

Boost Clock has increased by 51% (1340MHz vs 888MHz)

More VRAM (8GB vs 1536GB)

Larger VRAM bandwidth (256.0GB/s vs 134.4GB/s)

1152 additional rendering cores

NVIDIA GeForce GTX 660 OEM 's Advantages

Lower TDP (130W vs 185W)

Score

Benchmark

FP32 (float)

Radeon RX 580X +201%

6.175 TFLOPS

GeForce GTX 660 OEM

2.046 TFLOPS

Radeon RX 580X

VS

GeForce GTX 660 OEM

Graphics Card

Apr 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

823 MHz

1340 MHz

Boost Clock

888 MHz

2000 MHz

Memory Clock

1400 MHz

Memory

8GB

Memory Size

1536MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

192bit

256.0GB/s

Bandwidth

134.4GB/s

Render Config

36

Compute Units

-

2304

Shading Units

1152

144

TMUs

96

32

ROPs

24

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

2 MB

L2 Cache

384 KB

-

Theoretical Performance

42.88 GPixel/s

Pixel Rate

21.31 GPixel/s

193.0 GTexel/s

Texture Rate

85.25 GTexel/s

6.175 TFLOPS

FP16 (half)

-

6.175 TFLOPS

FP32 (float)

2.046 TFLOPS

385.9 GFLOPS

FP64 (double)

85.25 GFLOPS

Board Design

185W

TDP

130W

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 Processor

Polaris 20

GPU Name

GK104

Polaris 20 XTX (215-0910038)

GPU Variant

GK104-200-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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