AMD Radeon RX 550 640SP vs AMD Radeon RX 6500 XT

VS

AMD Radeon RX 550 640SP AMD Radeon RX 6500 XT

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550 640SP 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 550 640SP 's Advantages

Lower TDP (60W vs 107W)

AMD Radeon RX 6500 XT 's Advantages

Released 4 years and 3 months late

Boost Clock has increased by 163% (2815MHz vs 1071MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (143.9GB/s vs 96.00GB/s)

384 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 550 640SP

1.371 TFLOPS

Radeon RX 6500 XT +320%

5.765 TFLOPS

Radeon RX 550 640SP

VS

Radeon RX 6500 XT

Graphics Card

Oct 2017

Release Date

Jan 2022

Polaris

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x4

Clock Speeds

1019 MHz

Base Clock

2310 MHz

1071 MHz

Boost Clock

2815 MHz

1500 MHz

Memory Clock

2248 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

64bit

96.00GB/s

Bandwidth

143.9GB/s

Render Config

-

SM Count

-

10

Compute Units

16

640

Shading Units

1024

40

TMUs

64

16

ROPs

32

-

Tensor Cores

-

RT Cores

16

16 KB (per CU)

L1 Cache

128 KB per Array

1024 KB

L2 Cache

1024 KB

Theoretical Performance

17.14 GPixel/s

Pixel Rate

90.08 GPixel/s

42.84 GTexel/s

Texture Rate

180.2 GTexel/s

1371 GFLOPS

FP16 (half)

11.53 TFLOPS

1371 GFLOPS

FP32 (float)

5.765 TFLOPS

85.68 GFLOPS

FP64 (double)

360.3 GFLOPS

Graphics Processor

Baffin

GPU Name

Navi 24

Baffin LE

GPU Variant

Navi 24 XT (215-135000006)

GCN 4.0

Architecture

RDNA 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

6 nm

3 billion

Transistors

5.4 billion

123 mm²

Die Size

107 mm²

Board Design

60W

TDP

107W

250 W

Suggested PSU

300 W

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

Outputs

1x HDMI 2.1 1x DisplayPort 1.4a

None

Power Connectors

1x 6-pin

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

-

CUDA

-

6.4

Shader Model

6.6

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