NVIDIA GeForce GTX 660 vs AMD Radeon RX 590

VS

NVIDIA GeForce GTX 660 AMD Radeon RX 590

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 and 8GB VRAM Radeon RX 590 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 175W)

AMD Radeon RX 590 's Advantages

Released 6 years and 2 months late

Boost Clock has increased by 50% (1545MHz 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

1.981 TFLOPS

Radeon RX 590 +259%

7.119 TFLOPS

3DMark Time Spy

GeForce GTX 660

1308

Radeon RX 590 +263%

4760

GeForce GTX 660

VS

Radeon RX 590

Graphics Card

Sep 2012

Release Date

Nov 2018

GeForce 600

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

980 MHz

Base Clock

1469 MHz

1032 MHz

Boost Clock

1545 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

-

SM Count

-

Compute Units

36

960

Shading Units

2304

80

TMUs

144

24

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

2 MB

Theoretical Performance

20.64 GPixel/s

Pixel Rate

49.44 GPixel/s

82.56 GTexel/s

Texture Rate

222.5 GTexel/s

-

FP16 (half)

7.119 TFLOPS

1.981 TFLOPS

FP32 (float)

7.119 TFLOPS

82.56 GFLOPS

FP64 (double)

445.0 GFLOPS

Graphics Processor

GK106

GPU Name

Polaris 30

GK106-400-A1

GPU Variant

Polaris 30 XT (215-0922006)

Kepler

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

12 nm

2.54 billion

Transistors

5.7 billion

221 mm²

Die Size

232 mm²

Board Design

140W

TDP

175W

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 8-pin

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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