ATI Radeon X550 XT vs AMD Radeon HD 7770 GHz Edition

VS

ATI Radeon X550 XT

AMD Radeon HD 7770 GHz Edition

We compared two Desktop platform GPUs: 128MB VRAM Radeon X550 XT and 1024MB VRAM Radeon HD 7770 GHz Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7770 GHz Edition 's Advantages

Released 5 years and 1 months late

More VRAM (1024GB vs 128GB)

Larger VRAM bandwidth (72.00GB/s vs 9.600GB/s)

640 additional rendering cores

Score

Radeon X550 XT

VS

Radeon HD 7770 GHz Edition

Graphics Card

Jan 2007

Release Date

Feb 2012

Radeon R300

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

300 MHz

Memory Clock

1125 MHz

Memory

128MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

9.600GB/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

1.600 GPixel/s

Pixel Rate

16.00 GPixel/s

1.600 GTexel/s

Texture Rate

40.00 GTexel/s

-

FP32 (float)

1280 GFLOPS

-

FP64 (double)

80.00 GFLOPS

Board Design

Unknown

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

RV410

GPU Name

Cape Verde

-

GPU Variant

Cape Verde XT

R400

Architecture

GCN 1.0

TSMC

Foundry

TSMC

110 nm

Process Size

28 nm

0.12 billion

Transistors

1.5 billion

156 mm²

Die Size

123 mm²

Graphics Features

9.0b (9_2)

DirectX

12 (11_1)

2.0

OpenGL

4.6

N/A

OpenCL

1.2

N/A

Vulkan

1.2

-

Shader Model

5.1

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