AMD Radeon RX 6600 XT vs AMD Radeon 550X

VS

AMD Radeon RX 6600 XT

AMD Radeon 550X

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 XT and 2GB VRAM Radeon 550X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600 XT 's Advantages

Released 2 years and 4 months late

Boost Clock has increased by 113% (2589MHz vs 1218MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (256.0GB/s vs 112.0GB/s)

1536 additional rendering cores

AMD Radeon 550X 's Advantages

Lower TDP (50W vs 160W)

Score

Benchmark

FP32 (float)

Radeon RX 6600 XT +750%

10.6 TFLOPS

Radeon 550X

1.247 TFLOPS

Radeon RX 6600 XT

VS

Radeon 550X

Graphics Card

Jul 2021

Release Date

Mar 2019

Navi II

Generation

Polaris

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

1968 MHz

Base Clock

1082 MHz

2589 MHz

Boost Clock

1218 MHz

2000 MHz

Memory Clock

1750 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

128bit

256.0GB/s

Bandwidth

112.0GB/s

Render Config

32

Compute Units

8

-

2048

Shading Units

512

128

TMUs

32

64

ROPs

16

-

32

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

512 KB

32 MB

L3 Cache

-

Theoretical Performance

165.7 GPixel/s

Pixel Rate

19.49 GPixel/s

331.4 GTexel/s

Texture Rate

38.98 GTexel/s

21.21 TFLOPS

FP16 (half)

1247 GFLOPS

10.60 TFLOPS

FP32 (float)

1247 GFLOPS

662.8 GFLOPS

FP64 (double)

77.95 GFLOPS

Board Design

160W

TDP

50W

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

Lexa

Navi 23 XT (215-130000006)

GPU Variant

Lexa PRO (215-0904018)

RDNA 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

7 nm

Process Size

14 nm

11.06 billion

Transistors

2.2 billion

237 mm²

Die Size

103 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

-

6.7

Shader Model

6.4

Related GPU Comparisons

1

AMD Radeon RX 6600 XT vs AMD Radeon R9 255 OEM

2

AMD Radeon RX 6600 XT vs NVIDIA CMP 30HX

3

AMD Radeon RX 6600 XT vs AMD FireStream 9170

4

AMD Radeon RX 6600 XT vs AMD FirePro S10000 Passive

5

AMD Radeon RX 6600 XT vs ATI Radeon HD 4855

6

AMD Radeon RX 6600 XT vs AMD Radeon RX Vega 64 Limited Edition

7

AMD Radeon RX 6600 XT vs ATI Radeon HD 3850 AGP

8

AMD Radeon RX 6600 XT vs NVIDIA GeForce 315 OEM

9

AMD Radeon RX 6600 XT vs ATI Radeon HD 2900 XT

10

AMD Radeon RX 6600 XT vs AMD Radeon Pro Vega II Duo

Related News

1

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

2

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

3

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

4

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

5

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

6

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

7

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

8

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

9

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

10

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU