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

VS

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

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Rev. 2 and 8GB VRAM Radeon RX 5700 XT 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 225W)

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

Score

Benchmark

FP32 (float)

GeForce GTX 660 Rev. 2

1.981 TFLOPS

Radeon RX 5700 XT +392%

9.754 TFLOPS

GeForce GTX 660 Rev. 2

VS

Radeon RX 5700 XT

Graphics Card

Sep 2014

Release Date

Jul 2019

GeForce 600

Generation

Navi

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

980 MHz

Base Clock

1605 MHz

1032 MHz

Boost Clock

1905 MHz

1502 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

192bit

Memory Bus

256bit

144.2GB/s

Bandwidth

448.0GB/s

Render Config

-

SM Count

-

Compute Units

40

960

Shading Units

2560

80

TMUs

160

24

ROPs

64

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

-

384 KB

L2 Cache

4 MB

Theoretical Performance

20.64 GPixel/s

Pixel Rate

121.9 GPixel/s

82.56 GTexel/s

Texture Rate

304.8 GTexel/s

-

FP16 (half)

19.51 TFLOPS

1.981 TFLOPS

FP32 (float)

9.754 TFLOPS

82.56 GFLOPS

FP64 (double)

609.6 GFLOPS

Graphics Processor

GK104

GPU Name

Navi 10

-

GPU Variant

Navi 10 XT (215-0917210)

Kepler

Architecture

RDNA 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

3.54 billion

Transistors

10.3 billion

294 mm²

Die Size

251 mm²

Board Design

140W

TDP

225W

300 W

Suggested PSU

550 W

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

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Features

12 (11_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.1

Vulkan

1.3

3.0

CUDA

-

5.1

Shader Model

6.5

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