ATI Radeon X1950 XTX Uber Edition vs AMD Radeon 550X 640SP

VS

ATI Radeon X1950 XTX Uber Edition

AMD Radeon 550X 640SP

We compared two Desktop platform GPUs: 512MB VRAM Radeon X1950 XTX Uber Edition and 4GB VRAM Radeon 550X 640SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon X1950 XTX Uber Edition 's Advantages

Larger VRAM bandwidth (67.20GB/s vs 48.00GB/s)

AMD Radeon 550X 640SP 's Advantages

Released 11 years and 3 months late

Boost Clock1071MHz

More VRAM (4GB vs 512GB)

640 additional rendering cores

Lower TDP (50W vs 125W)

Score

Radeon X1950 XTX Uber Edition

VS

Radeon 550X 640SP

Graphics Card

Jan 2007

Release Date

Apr 2018

Radeon R500 PCIe

Generation

Polaris

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1019 MHz

-

Boost Clock

1071 MHz

1050 MHz

Memory Clock

1500 MHz

Memory

512MB

Memory Size

4GB

GDDR4

Memory Type

GDDR5

256bit

Memory Bus

64bit

67.20GB/s

Bandwidth

48.00GB/s

Render Config

-

Compute Units

10

-

Shading Units

640

16

TMUs

40

16

ROPs

16

-

L1 Cache

16 KB (per CU)

-

L2 Cache

256 KB

-

Theoretical Performance

10.72 GPixel/s

Pixel Rate

17.14 GPixel/s

10.72 GTexel/s

Texture Rate

42.84 GTexel/s

-

FP16 (half)

1371 GFLOPS

-

FP32 (float)

1371 GFLOPS

-

FP64 (double)

85.68 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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