AMD Radeon RX 7900 XT vs AMD Radeon 550X 640SP

VS

AMD Radeon RX 7900 XT

AMD Radeon 550X 640SP

We compared two Desktop platform GPUs: 20GB VRAM Radeon RX 7900 XT and 4GB VRAM Radeon 550X 640SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900 XT 's Advantages

Released 4 years and 7 months late

Boost Clock has increased by 124% (2394MHz vs 1071MHz)

More VRAM (20GB vs 4GB)

Larger VRAM bandwidth (800.0GB/s vs 48.00GB/s)

4736 additional rendering cores

AMD Radeon 550X 640SP 's Advantages

Lower TDP (50W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 XT +3654%

51.48 TFLOPS

Radeon 550X 640SP

1.371 TFLOPS

Radeon RX 7900 XT

VS

Radeon 550X 640SP

Graphics Card

Nov 2022

Release Date

Apr 2018

Navi III

Generation

Polaris

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1387 MHz

Base Clock

1019 MHz

2394 MHz

Boost Clock

1071 MHz

2500 MHz

Memory Clock

1500 MHz

Memory

20GB

Memory Size

4GB

GDDR6

Memory Type

GDDR5

320bit

Memory Bus

64bit

800.0GB/s

Bandwidth

48.00GB/s

Render Config

84

Compute Units

10

-

5376

Shading Units

640

336

TMUs

40

192

ROPs

16

-

84

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

256 KB

80 MB

L3 Cache

-

Theoretical Performance

459.6 GPixel/s

Pixel Rate

17.14 GPixel/s

804.4 GTexel/s

Texture Rate

42.84 GTexel/s

103.0 TFLOPS

FP16 (half)

1371 GFLOPS

51.48 TFLOPS

FP32 (float)

1371 GFLOPS

1.609 TFLOPS

FP64 (double)

85.68 GFLOPS

Board Design

300W

TDP

50W

700 W

Suggested PSU

250 W

1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C

Outputs

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

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 31

GPU Name

Lexa

Navi 31 XT (215-145000156)

GPU Variant

Lexa PRO (215-0904018)

RDNA 3.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

5 nm

Process Size

14 nm

57.7 billion

Transistors

2.2 billion

529 mm²

Die Size

103 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.2

OpenCL

2.1

1.3

Vulkan

1.2

-

6.7

Shader Model

6.4

Related GPU Comparisons

1

AMD Radeon RX 7900 XT vs ATI Radeon HD 5730

2

AMD Radeon RX 7900 XT vs NVIDIA GeForce 505 OEM

3

AMD Radeon RX 7900 XT vs AMD Radeon RX Vega 64 Limited Edition

4

AMD Radeon RX 7900 XT vs AMD Radeon RX 460 1024SP

5

AMD Radeon RX 7900 XT vs NVIDIA GeForce GTX 560 Ti OEM

6

AMD Radeon RX 7900 XT vs AMD Radeon Pro W6900X

7

AMD Radeon RX 7900 XT vs NVIDIA GeForce GTX 260 Core 216

8

AMD Radeon RX 7900 XT vs NVIDIA T600

9

AMD Radeon RX 7900 XT vs NVIDIA GeForce 8400 GS Rev. 3

10

AMD Radeon RX 7900 XT vs NVIDIA Quadro FX 3450

Related News

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!