ATI Radeon X1550 vs AMD Radeon R7 250X

VS

ATI Radeon X1550

AMD Radeon R7 250X

We compared two Desktop platform GPUs: 256MB VRAM Radeon X1550 and 1024MB VRAM Radeon R7 250X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon X1550 's Advantages

Lower TDP (27W vs 80W)

AMD Radeon R7 250X 's Advantages

Released 7 years and 1 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (72.00GB/s vs 12.80GB/s)

640 additional rendering cores

Score

Radeon X1550

VS

Radeon R7 250X

Graphics Card

Jan 2007

Release Date

Feb 2014

Radeon R500 PCIe

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

400 MHz

Memory Clock

1125 MHz

Memory

256MB

Memory Size

1024MB

DDR2

Memory Type

GDDR5

128bit

Memory Bus

128bit

12.80GB/s

Bandwidth

72.00GB/s

Render Config

-

Compute Units

10

-

Shading Units

640

4

TMUs

40

4

ROPs

16

-

L1 Cache

16 KB (per CU)

-

L2 Cache

256 KB

-

Theoretical Performance

2.200 GPixel/s

Pixel Rate

15.20 GPixel/s

2.200 GTexel/s

Texture Rate

38.00 GTexel/s

-

FP32 (float)

1216 GFLOPS

-

FP64 (double)

76.00 GFLOPS

Board Design

27W

TDP

80W

200 W

Suggested PSU

250 W

1x DVI 1x VGA 1x S-Video

Outputs

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

None

Power Connectors

1x 6-pin

Graphics Processor

RV516

GPU Name

Cape Verde

-

GPU Variant

Cape Verde XT

R500

Architecture

GCN 1.0

UMC

Foundry

TSMC

80 nm

Process Size

28 nm

0.107 billion

Transistors

1.5 billion

100 mm²

Die Size

123 mm²

Graphics Features

9.0c (9_3)

DirectX

12 (11_1)

2.1

OpenGL

4.6

N/A

OpenCL

1.2

N/A

Vulkan

1.2

-

3.0

Shader Model

5.1

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