AMD Radeon RX 6650 XT vs AMD Radeon RX 550 640SP

VS

AMD Radeon RX 6650 XT

AMD Radeon RX 550 640SP

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6650 XT and 2GB VRAM Radeon RX 550 640SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6650 XT 's Advantages

Released 4 years and 7 months late

Boost Clock has increased by 146% (2635MHz vs 1071MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (280.3GB/s vs 96.00GB/s)

1408 additional rendering cores

AMD Radeon RX 550 640SP 's Advantages

Lower TDP (60W vs 176W)

Score

Benchmark

FP32 (float)

Radeon RX 6650 XT +687%

10.79 TFLOPS

Radeon RX 550 640SP

1.371 TFLOPS

Radeon RX 6650 XT

VS

Radeon RX 550 640SP

Graphics Card

May 2022

Release Date

Oct 2017

Navi II

Generation

Polaris

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

2055 MHz

Base Clock

1019 MHz

2635 MHz

Boost Clock

1071 MHz

2190 MHz

Memory Clock

1500 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

128bit

280.3GB/s

Bandwidth

96.00GB/s

Render Config

32

Compute Units

10

-

2048

Shading Units

640

128

TMUs

40

64

ROPs

16

-

32

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

1024 KB

32 MB

L3 Cache

-

Theoretical Performance

168.6 GPixel/s

Pixel Rate

17.14 GPixel/s

337.3 GTexel/s

Texture Rate

42.84 GTexel/s

21.59 TFLOPS

FP16 (half)

1371 GFLOPS

10.79 TFLOPS

FP32 (float)

1371 GFLOPS

674.6 GFLOPS

FP64 (double)

85.68 GFLOPS

Board Design

176W

TDP

60W

450 W

Suggested PSU

250 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

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

1x 8-pin

Power Connectors

None

Graphics Processor

Navi 23

GPU Name

Baffin

Navi 23 KXT (215-130000136)

GPU Variant

Baffin LE

RDNA 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

7 nm

Process Size

14 nm

11.06 billion

Transistors

3 billion

237 mm²

Die Size

123 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.3

Vulkan

1.2

-

6.5

Shader Model

6.4

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