AMD Radeon RX 560X vs AMD Radeon RX 6600

VS

AMD Radeon RX 560X

AMD Radeon RX 6600

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 560X and 8GB VRAM Radeon RX 6600 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 560X 's Advantages

Lower TDP (75W vs 132W)

AMD Radeon RX 6600 's Advantages

Released 3 years and 6 months late

Boost Clock has increased by 95% (2491MHz vs 1275MHz)

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (224.0GB/s vs 112.0GB/s)

768 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 560X

2.611 TFLOPS

Radeon RX 6600 +241%

8.928 TFLOPS

Radeon RX 560X

VS

Radeon RX 6600

Graphics Card

Apr 2018

Release Date

Oct 2021

Polaris

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x8

Clock Speeds

1175 MHz

Base Clock

1626 MHz

1275 MHz

Boost Clock

2491 MHz

1750 MHz

Memory Clock

1750 MHz

Memory

4GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

128bit

112.0GB/s

Bandwidth

224.0GB/s

Render Config

16

Compute Units

28

-

1024

Shading Units

1792

64

TMUs

112

16

ROPs

64

-

RT Cores

28

16 KB (per CU)

L1 Cache

128 KB per Array

1024 KB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

20.40 GPixel/s

Pixel Rate

159.4 GPixel/s

81.60 GTexel/s

Texture Rate

279.0 GTexel/s

2.611 TFLOPS

FP16 (half)

17.86 TFLOPS

2.611 TFLOPS

FP32 (float)

8.928 TFLOPS

163.2 GFLOPS

FP64 (double)

558.0 GFLOPS

Board Design

75W

TDP

132W

250 W

Suggested PSU

300 W

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

None

Power Connectors

1x 8-pin

Graphics Processor

Polaris 21

GPU Name

Navi 23

Polaris 21 XT (215-0908004)

GPU Variant

Navi 23 XL (215-130000016)

GCN 4.0

Architecture

RDNA 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

7 nm

3 billion

Transistors

11.06 billion

123 mm²

Die Size

237 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.3

-

6.4

Shader Model

6.5

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