AMD Radeon HD 7770 GHz Edition vs AMD Radeon HD 6250

VS

AMD Radeon HD 7770 GHz Edition

AMD Radeon HD 6250

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7770 GHz Edition and 512MB VRAM Radeon HD 6250 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 1 years and 1 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (72.00GB/s vs 8.000GB/s)

560 additional rendering cores

AMD Radeon HD 6250 's Advantages

Lower TDP (19W vs 80W)

Score

Benchmark

FP32 (float)

Radeon HD 7770 GHz Edition +1130%

1.28 TFLOPS

Radeon HD 6250

0.104 TFLOPS

Radeon HD 7770 GHz Edition

VS

Radeon HD 6250

Graphics Card

Feb 2012

Release Date

Jan 2011

Southern Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1125 MHz

Memory Clock

500 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

64bit

72.00GB/s

Bandwidth

8.000GB/s

Render Config

10

Compute Units

2

-

640

Shading Units

80

40

TMUs

8

16

ROPs

4

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

2.600 GPixel/s

40.00 GTexel/s

Texture Rate

5.200 GTexel/s

-

1280 GFLOPS

FP32 (float)

104.0 GFLOPS

80.00 GFLOPS

FP64 (double)

-

Board Design

80W

TDP

19W

250 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a

1x 6-pin

Power Connectors

None

Graphics Processor

Cape Verde

GPU Name

Cedar

Cape Verde XT

GPU Variant

Cedar PRO

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.5 billion

Transistors

0.292 billion

123 mm²

Die Size

59 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

5.1

Shader Model

5.0

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