AMD Radeon 550X 640SP vs AMD Radeon RX 6300

VS

AMD Radeon 550X 640SP

AMD Radeon RX 6300

We compared two Desktop platform GPUs: 4GB VRAM Radeon 550X 640SP 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 550X 640SP 's Advantages

More VRAM (4GB vs 2GB)

AMD Radeon RX 6300 's Advantages

Boost Clock has increased by 90% (2040MHz vs 1071MHz)

Larger VRAM bandwidth (64.00GB/s vs 48.00GB/s)

128 additional rendering cores

Lower TDP (32W vs 50W)

Score

Benchmark

FP32 (float)

Radeon 550X 640SP

1.371 TFLOPS

Radeon RX 6300 +128%

3.133 TFLOPS

Radeon 550X 640SP

VS

Radeon RX 6300

Graphics Card

Apr 2018

Release Date

Unknown

Polaris

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x4

Clock Speeds

1019 MHz

Base Clock

1000 MHz

1071 MHz

Boost Clock

2040 MHz

1500 MHz

Memory Clock

2000 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR6

64bit

Memory Bus

32bit

48.00GB/s

Bandwidth

64.00GB/s

Render Config

10

Compute Units

12

-

640

Shading Units

768

40

TMUs

48

16

ROPs

32

-

RT Cores

12

16 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

1024 KB

-

L3 Cache

8 MB

Theoretical Performance

17.14 GPixel/s

Pixel Rate

65.28 GPixel/s

42.84 GTexel/s

Texture Rate

97.92 GTexel/s

1371 GFLOPS

FP16 (half)

6.267 TFLOPS

1371 GFLOPS

FP32 (float)

3.133 TFLOPS

85.68 GFLOPS

FP64 (double)

195.8 GFLOPS

Board Design

50W

TDP

32W

250 W

Suggested PSU

200 W

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

Outputs

2x HDMI 2.1

None

Power Connectors

None

Graphics Processor

Lexa

GPU Name

Navi 24

Lexa PRO (215-0904018)

GPU Variant

Navi 24 XL

GCN 4.0

Architecture

RDNA 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

6 nm

2.2 billion

Transistors

5.4 billion

103 mm²

Die Size

107 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.2

1.2

Vulkan

1.3

-

6.4

Shader Model

6.7

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