AMD Radeon RX 6600 vs AMD Radeon RX 6600 XT

VS

AMD Radeon RX 6600 AMD Radeon RX 6600 XT

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

Main Differences

AMD Radeon RX 6600 's Advantages

Lower TDP (132W vs 160W)

AMD Radeon RX 6600 XT 's Advantages

Boost Clock has increased by 4% (2589MHz vs 2491MHz)

Larger VRAM bandwidth (256.0GB/s vs 224.0GB/s)

256 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6600

8.928 TFLOPS

Radeon RX 6600 XT +18%

10.6 TFLOPS

3DMark Time Spy

Radeon RX 6600

8083

Radeon RX 6600 XT +18%

9577

Shadow of the Tomb Raider 2160p

Radeon RX 6600

34

Radeon RX 6600 XT +11%

38

Shadow of the Tomb Raider 1440p

Radeon RX 6600

71

Radeon RX 6600 XT +1%

72

Shadow of the Tomb Raider 1080p

Radeon RX 6600 +5%

126

Radeon RX 6600 XT

119

Cyberpunk 2077 2160p

Radeon RX 6600

24

Radeon RX 6600 XT +20%

29

Cyberpunk 2077 1440p

Radeon RX 6600

31

Radeon RX 6600 XT +16%

36

Cyberpunk 2077 1080p

Radeon RX 6600

50

Radeon RX 6600 XT +16%

58

Battlefield 5 2160p

Radeon RX 6600

44

Radeon RX 6600 XT +31%

58

Battlefield 5 1440p

Radeon RX 6600

98

Radeon RX 6600 XT +13%

111

Battlefield 5 1080p

Radeon RX 6600

127

Radeon RX 6600 XT +13%

144

GTA 5 2160p

Radeon RX 6600

60

Radeon RX 6600 XT +1%

61

GTA 5 1440p

Radeon RX 6600

66

Radeon RX 6600 XT +24%

82

GTA 5 1080p

Radeon RX 6600 +22%

182

Radeon RX 6600 XT

149

Radeon RX 6600

VS

Radeon RX 6600 XT

Graphics Card

Oct 2021

Release Date

Jul 2021

Navi II

Generation

Navi II

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 4.0 x8

Clock Speeds

1626 MHz

Base Clock

1968 MHz

2491 MHz

Boost Clock

2589 MHz

1750 MHz

Memory Clock

2000 MHz

Memory

8GB

Memory Size

8GB

GDDR6

Memory Type

GDDR6

128bit

Memory Bus

128bit

224.0GB/s

Bandwidth

256.0GB/s

Render Config

-

SM Count

-

28

Compute Units

32

1792

Shading Units

2048

112

TMUs

128

64

ROPs

64

-

Tensor Cores

-

28

RT Cores

32

128 KB per Array

L1 Cache

128 KB per Array

2 MB

L2 Cache

2 MB

Theoretical Performance

159.4 GPixel/s

Pixel Rate

165.7 GPixel/s

279.0 GTexel/s

Texture Rate

331.4 GTexel/s

17.86 TFLOPS

FP16 (half)

21.21 TFLOPS

8.928 TFLOPS

FP32 (float)

10.60 TFLOPS

558.0 GFLOPS

FP64 (double)

662.8 GFLOPS

Graphics Processor

Navi 23

GPU Name

Navi 23

Navi 23 XL (215-130000016)

GPU Variant

Navi 23 XT (215-130000006)

RDNA 2.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

7 nm

11.06 billion

Transistors

11.06 billion

237 mm²

Die Size

237 mm²

Board Design

132W

TDP

160W

300 W

Suggested PSU

450 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

1x 8-pin

Power Connectors

1x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.3

Vulkan

1.3

-

CUDA

-

6.5

Shader Model

6.7

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