ATI Radeon X1950 XTX Uber Edition vs AMD Radeon RX 550X

VS

ATI Radeon X1950 XTX Uber Edition

AMD Radeon RX 550X

We compared two Desktop platform GPUs: 512MB VRAM Radeon X1950 XTX Uber Edition and 4GB VRAM Radeon RX 550X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550X 's Advantages

Released 11 years and 11 months late

Boost Clock1183MHz

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (96.00GB/s vs 67.20GB/s)

512 additional rendering cores

Lower TDP (50W vs 125W)

Score

Radeon X1950 XTX Uber Edition

VS

Radeon RX 550X

Graphics Card

Jan 2007

Release Date

Dec 2018

Radeon R500 PCIe

Generation

Polaris

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1100 MHz

-

Boost Clock

1183 MHz

1050 MHz

Memory Clock

1500 MHz

Memory

512MB

Memory Size

4GB

GDDR4

Memory Type

GDDR5

256bit

Memory Bus

128bit

67.20GB/s

Bandwidth

96.00GB/s

Render Config

-

Compute Units

8

-

Shading Units

512

16

TMUs

32

16

ROPs

16

-

L1 Cache

16 KB (per CU)

-

L2 Cache

512 KB

-

Theoretical Performance

10.72 GPixel/s

Pixel Rate

18.93 GPixel/s

10.72 GTexel/s

Texture Rate

37.86 GTexel/s

-

FP16 (half)

1211 GFLOPS

-

FP32 (float)

1211 GFLOPS

-

FP64 (double)

75.71 GFLOPS

Board Design

125W

TDP

50W

300 W

Suggested PSU

250 W

1x DVI 1x VHDCI

Outputs

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

1x 6-pin

Power Connectors

None

Graphics Processor

R580+

GPU Name

Lexa

R580+ XT (215BAABKA31FG)

GPU Variant

Lexa PRO (215-0904018)

R500

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

90 nm

Process Size

14 nm

0.384 billion

Transistors

2.2 billion

352 mm²

Die Size

103 mm²

Graphics Features

9.0c (9_3)

DirectX

12 (12_0)

2.1 (full) 3.0 (partial)

OpenGL

4.6

N/A

OpenCL

2.1

N/A

Vulkan

1.2

-

3.0

Shader Model

6.4

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