AMD Radeon RX 5700 XT vs NVIDIA GeForce GTX 660 Rev. 2

VS

AMD Radeon RX 5700 XT NVIDIA GeForce GTX 660 Rev. 2

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 5700 XT and 2GB VRAM GeForce GTX 660 Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 5700 XT 's Advantages

Released 4 years and 10 months late

Boost Clock has increased by 85% (1905MHz vs 1032MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (448.0GB/s vs 144.2GB/s)

1600 additional rendering cores

NVIDIA GeForce GTX 660 Rev. 2 's Advantages

Lower TDP (140W vs 225W)

Score

Benchmark

FP32 (float)

Radeon RX 5700 XT +392%

9.754 TFLOPS

GeForce GTX 660 Rev. 2

1.981 TFLOPS

Radeon RX 5700 XT

VS

GeForce GTX 660 Rev. 2

Graphics Card

Jul 2019

Release Date

Sep 2014

Navi

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1605 MHz

Base Clock

980 MHz

1905 MHz

Boost Clock

1032 MHz

1750 MHz

Memory Clock

1502 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

192bit

448.0GB/s

Bandwidth

144.2GB/s

Render Config

-

SM Count

-

40

Compute Units

-

2560

Shading Units

960

160

TMUs

80

64

ROPs

24

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per SMX)

4 MB

L2 Cache

384 KB

Theoretical Performance

121.9 GPixel/s

Pixel Rate

20.64 GPixel/s

304.8 GTexel/s

Texture Rate

82.56 GTexel/s

19.51 TFLOPS

FP16 (half)

-

9.754 TFLOPS

FP32 (float)

1.981 TFLOPS

609.6 GFLOPS

FP64 (double)

82.56 GFLOPS

Graphics Processor

Navi 10

GPU Name

GK104

Navi 10 XT (215-0917210)

GPU Variant

-

RDNA 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

10.3 billion

Transistors

3.54 billion

251 mm²

Die Size

294 mm²

Board Design

225W

TDP

140W

550 W

Suggested PSU

300 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin

Graphics Features

12 (12_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.1

-

CUDA

3.0

6.5

Shader Model

5.1

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