AMD Radeon Pro 5500 XT vs NVIDIA GeForce GTX 660 Rev. 2

VS

AMD Radeon Pro 5500 XT

NVIDIA GeForce GTX 660 Rev. 2

We compared two Desktop platform GPUs: 8GB VRAM Radeon Pro 5500 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 Pro 5500 XT 's Advantages

Released 5 years and 11 months late

Boost Clock has increased by 70% (1757MHz vs 1032MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (224.0GB/s vs 144.2GB/s)

576 additional rendering cores

Lower TDP (125W vs 140W)

Score

Benchmark

FP32 (float)

Radeon Pro 5500 XT +172%

5.398 TFLOPS

GeForce GTX 660 Rev. 2

1.981 TFLOPS

Radeon Pro 5500 XT

VS

GeForce GTX 660 Rev. 2

Graphics Card

Aug 2020

Release Date

Sep 2014

Radeon Pro Mac

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1187 MHz

Base Clock

980 MHz

1757 MHz

Boost Clock

1032 MHz

1750 MHz

Memory Clock

1502 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

192bit

224.0GB/s

Bandwidth

144.2GB/s

Render Config

24

Compute Units

-

1536

Shading Units

960

96

TMUs

80

32

ROPs

24

-

L1 Cache

16 KB (per SMX)

2 MB

L2 Cache

384 KB

-

Theoretical Performance

56.22 GPixel/s

Pixel Rate

20.64 GPixel/s

168.7 GTexel/s

Texture Rate

82.56 GTexel/s

10.80 TFLOPS

FP16 (half)

-

5.398 TFLOPS

FP32 (float)

1.981 TFLOPS

337.3 GFLOPS

FP64 (double)

82.56 GFLOPS

Board Design

125W

TDP

140W

300 W

Suggested PSU

300 W

No outputs

Outputs

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

None

Power Connectors

1x 6-pin

Graphics Processor

Navi 14

GPU Name

GK104

Navi 14 PRO XL

GPU Variant

-

RDNA 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

6.4 billion

Transistors

3.54 billion

158 mm²

Die Size

294 mm²

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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