AMD Radeon RX 6600 vs AMD Radeon RX 6500 XT

VS

AMD Radeon RX 6600 AMD Radeon RX 6500 XT

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 and 4GB VRAM Radeon RX 6500 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600 's Advantages

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (224.0GB/s vs 143.9GB/s)

768 additional rendering cores

AMD Radeon RX 6500 XT 's Advantages

Boost Clock has increased by 13% (2815MHz vs 2491MHz)

Lower TDP (107W vs 132W)

Score

Benchmark

FP32 (float)

Radeon RX 6600 +54%

8.928 TFLOPS

Radeon RX 6500 XT

5.765 TFLOPS

3DMark Time Spy

Radeon RX 6600 +64%

8083

Radeon RX 6500 XT

4920

Shadow of the Tomb Raider 2160p

Radeon RX 6600 +126%

34

Radeon RX 6500 XT

15

Shadow of the Tomb Raider 1440p

Radeon RX 6600 +129%

71

Radeon RX 6500 XT

31

Shadow of the Tomb Raider 1080p

Radeon RX 6600 +168%

126

Radeon RX 6500 XT

47

Cyberpunk 2077 2160p

Radeon RX 6600 +71%

24

Radeon RX 6500 XT

14

Cyberpunk 2077 1440p

Radeon RX 6600 +63%

31

Radeon RX 6500 XT

19

Cyberpunk 2077 1080p

Radeon RX 6600 +61%

50

Radeon RX 6500 XT

31

Battlefield 5 2160p

Radeon RX 6600 +62%

44

Radeon RX 6500 XT

27

Battlefield 5 1440p

Radeon RX 6600 +88%

98

Radeon RX 6500 XT

52

Battlefield 5 1080p

Radeon RX 6600 +84%

127

Radeon RX 6500 XT

69

GTA 5 2160p

Radeon RX 6600 +100%

60

Radeon RX 6500 XT

30

GTA 5 1440p

Radeon RX 6600 +53%

66

Radeon RX 6500 XT

43

GTA 5 1080p

Radeon RX 6600 +89%

182

Radeon RX 6500 XT

96

Radeon RX 6600

VS

Radeon RX 6500 XT

Graphics Card

Oct 2021

Release Date

Jan 2022

Navi II

Generation

Navi II

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 4.0 x4

Clock Speeds

1626 MHz

Base Clock

2310 MHz

2491 MHz

Boost Clock

2815 MHz

1750 MHz

Memory Clock

2248 MHz

Memory

8GB

Memory Size

4GB

GDDR6

Memory Type

GDDR6

128bit

Memory Bus

64bit

224.0GB/s

Bandwidth

143.9GB/s

Render Config

-

SM Count

-

28

Compute Units

16

1792

Shading Units

1024

112

TMUs

64

ROPs

32

-

Tensor Cores

-

28

RT Cores

16

128 KB per Array

L1 Cache

128 KB per Array

2 MB

L2 Cache

1024 KB

Theoretical Performance

159.4 GPixel/s

Pixel Rate

90.08 GPixel/s

279.0 GTexel/s

Texture Rate

180.2 GTexel/s

17.86 TFLOPS

FP16 (half)

11.53 TFLOPS

8.928 TFLOPS

FP32 (float)

5.765 TFLOPS

558.0 GFLOPS

FP64 (double)

360.3 GFLOPS

Graphics Processor

Navi 23

GPU Name

Navi 24

Navi 23 XL (215-130000016)

GPU Variant

Navi 24 XT (215-135000006)

RDNA 2.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

6 nm

11.06 billion

Transistors

5.4 billion

237 mm²

Die Size

107 mm²

Board Design

132W

TDP

107W

300 W

Suggested PSU

300 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x HDMI 2.1 1x DisplayPort 1.4a

1x 8-pin

Power Connectors

1x 6-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.2

1.3

Vulkan

1.3

-

CUDA

-

6.5

Shader Model

6.6

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