AMD Radeon RX 6600 XT vs AMD Radeon RX 6500 XT

VS

AMD Radeon RX 6600 XT

AMD Radeon RX 6500 XT

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 XT 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 XT 's Advantages

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (256.0GB/s vs 143.9GB/s)

1024 additional rendering cores

AMD Radeon RX 6500 XT 's Advantages

Released 6 months late

Boost Clock has increased by 9% (2815MHz vs 2589MHz)

Lower TDP (107W vs 160W)

Score

Benchmark

FP32 (float)

Radeon RX 6600 XT +83%

10.6 TFLOPS

Radeon RX 6500 XT

5.765 TFLOPS

3DMark Time Spy

Radeon RX 6600 XT +94%

9579

Radeon RX 6500 XT

4918

Blender

Radeon RX 6600 XT +109%

1196

Radeon RX 6500 XT

571

Shadow of the Tomb Raider 2160p

Radeon RX 6600 XT +153%

38

Radeon RX 6500 XT

15

Shadow of the Tomb Raider 1440p

Radeon RX 6600 XT +132%

72

Radeon RX 6500 XT

31

Shadow of the Tomb Raider 1080p

Radeon RX 6600 XT +153%

119

Radeon RX 6500 XT

47

Cyberpunk 2077 2160p

Radeon RX 6600 XT +107%

29

Radeon RX 6500 XT

14

Cyberpunk 2077 1440p

Radeon RX 6600 XT +89%

36

Radeon RX 6500 XT

19

Cyberpunk 2077 1080p

Radeon RX 6600 XT +87%

58

Radeon RX 6500 XT

31

Battlefield 5 2160p

Radeon RX 6600 XT +114%

58

Radeon RX 6500 XT

27

Battlefield 5 1440p

Radeon RX 6600 XT +113%

111

Radeon RX 6500 XT

52

Battlefield 5 1080p

Radeon RX 6600 XT +108%

144

Radeon RX 6500 XT

69

GTA 5 2160p

Radeon RX 6600 XT +103%

61

Radeon RX 6500 XT

30

GTA 5 1440p

Radeon RX 6600 XT +90%

82

Radeon RX 6500 XT

43

GTA 5 1080p

Radeon RX 6600 XT +55%

149

Radeon RX 6500 XT

96

Radeon RX 6600 XT

VS

Radeon RX 6500 XT

Graphics Card

Jul 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

1968 MHz

Base Clock

2310 MHz

2589 MHz

Boost Clock

2815 MHz

2000 MHz

Memory Clock

2248 MHz

Memory

8GB

Memory Size

4GB

GDDR6

Memory Type

GDDR6

128bit

Memory Bus

64bit

256.0GB/s

Bandwidth

143.9GB/s

Render Config

32

Compute Units

16

-

2048

Shading Units

1024

128

TMUs

64

ROPs

32

-

32

RT Cores

16

128 KB per Array

L1 Cache

128 KB per Array

2 MB

L2 Cache

1024 KB

32 MB

L3 Cache

16 MB

Theoretical Performance

165.7 GPixel/s

Pixel Rate

90.08 GPixel/s

331.4 GTexel/s

Texture Rate

180.2 GTexel/s

21.21 TFLOPS

FP16 (half)

11.53 TFLOPS

10.60 TFLOPS

FP32 (float)

5.765 TFLOPS

662.8 GFLOPS

FP64 (double)

360.3 GFLOPS

Board Design

160W

TDP

107W

450 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 Processor

Navi 23

GPU Name

Navi 24

Navi 23 XT (215-130000006)

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

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

-

6.7

Shader Model

6.6

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