AMD Radeon RX 6600 vs AMD Radeon RX 6300

VS

AMD Radeon RX 6600

AMD Radeon RX 6300

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 and 2GB VRAM Radeon RX 6300 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600 's Advantages

Boost Clock has increased by 22% (2491MHz vs 2040MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (224.0GB/s vs 64.00GB/s)

1024 additional rendering cores

AMD Radeon RX 6300 's Advantages

Lower TDP (32W vs 132W)

Score

Benchmark

FP32 (float)

Radeon RX 6600 +184%

8.928 TFLOPS

Radeon RX 6300

3.133 TFLOPS

Radeon RX 6600

VS

Radeon RX 6300

Graphics Card

Oct 2021

Release Date

Unknown

Navi II

Generation

Navi II

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 4.0 x4

Clock Speeds

1626 MHz

Base Clock

1000 MHz

2491 MHz

Boost Clock

2040 MHz

1750 MHz

Memory Clock

2000 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

GDDR6

128bit

Memory Bus

32bit

224.0GB/s

Bandwidth

64.00GB/s

Render Config

28

Compute Units

12

-

1792

Shading Units

768

112

TMUs

48

64

ROPs

32

-

28

RT Cores

12

128 KB per Array

L1 Cache

128 KB per Array

2 MB

L2 Cache

1024 KB

32 MB

L3 Cache

8 MB

Theoretical Performance

159.4 GPixel/s

Pixel Rate

65.28 GPixel/s

279.0 GTexel/s

Texture Rate

97.92 GTexel/s

17.86 TFLOPS

FP16 (half)

6.267 TFLOPS

8.928 TFLOPS

FP32 (float)

3.133 TFLOPS

558.0 GFLOPS

FP64 (double)

195.8 GFLOPS

Board Design

132W

TDP

32W

300 W

Suggested PSU

200 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

2x HDMI 2.1

1x 8-pin

Power Connectors

None

Graphics Processor

Navi 23

GPU Name

Navi 24

Navi 23 XL (215-130000016)

GPU Variant

Navi 24 XL

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

-

6.5

Shader Model

6.7

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