ATI Radeon X550 XT vs AMD Radeon HD 6770

VS

ATI Radeon X550 XT

AMD Radeon HD 6770

We compared two Desktop platform GPUs: 128MB VRAM Radeon X550 XT and 1024MB VRAM Radeon HD 6770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6770 's Advantages

Released 4 years late

More VRAM (1024GB vs 128GB)

Larger VRAM bandwidth (76.80GB/s vs 9.600GB/s)

800 additional rendering cores

Score

Radeon X550 XT

VS

Radeon HD 6770

Graphics Card

Jan 2007

Release Date

Jan 2011

Radeon R300

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

300 MHz

Memory Clock

1200 MHz

Memory

128MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

9.600GB/s

Bandwidth

76.80GB/s

Render Config

-

Compute Units

10

-

Shading Units

800

4

TMUs

40

4

ROPs

16

-

L1 Cache

8 KB (per CU)

-

L2 Cache

256 KB

-

Theoretical Performance

1.600 GPixel/s

Pixel Rate

13.60 GPixel/s

1.600 GTexel/s

Texture Rate

34.00 GTexel/s

-

FP32 (float)

1360 GFLOPS

-

Board Design

Unknown

TDP

108W

200 W

Suggested PSU

300 W

1x DVI 1x VGA 1x S-Video

Outputs

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

None

Power Connectors

1x 6-pin

Graphics Processor

RV410

GPU Name

Juniper

-

GPU Variant

Juniper XT (215-0754013)

R400

Architecture

TeraScale 2

TSMC

Foundry

TSMC

110 nm

Process Size

40 nm

0.12 billion

Transistors

1.04 billion

156 mm²

Die Size

166 mm²

Graphics Features

9.0b (9_2)

DirectX

11.2 (11_0)

2.0

OpenGL

4.4

N/A

OpenCL

1.2

N/A

Vulkan

N/A

-

Shader Model

5.0

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