ATI Radeon HD 4770 vs ATI FireMV 2260 PCIe x1

VS

ATI Radeon HD 4770

ATI FireMV 2260 PCIe x1

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4770 and 256MB VRAM FireMV 2260 PCIe x1 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4770 's Advantages

Released 1 years and 3 months late

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (51.20GB/s vs 8.000GB/s)

600 additional rendering cores

ATI FireMV 2260 PCIe x1 's Advantages

Lower TDP (15W vs 80W)

Score

Benchmark

FP32 (float)

Radeon HD 4770 +2300%

0.96 TFLOPS

FireMV 2260 PCIe x1

0.04 TFLOPS

Radeon HD 4770

VS

FireMV 2260 PCIe x1

Graphics Card

Apr 2009

Release Date

Jan 2008

Radeon R700

Generation

FireMV Multi-View

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x1

Clock Speeds

-

800 MHz

Memory Clock

500 MHz

Memory

512MB

Memory Size

256MB

GDDR5

Memory Type

DDR2

128bit

Memory Bus

64bit

51.20GB/s

Bandwidth

8.000GB/s

Render Config

8

Compute Units

2

-

640

Shading Units

40

32

TMUs

4

16

ROPs

4

-

16 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

2.000 GPixel/s

24.00 GTexel/s

Texture Rate

2.000 GTexel/s

-

960.0 GFLOPS

FP32 (float)

40.00 GFLOPS

192.0 GFLOPS

FP64 (double)

-

Board Design

80W

TDP

15W

250 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

2x DisplayPort

1x 6-pin

Power Connectors

None

Graphics Processor

RV740

GPU Name

RV620

RV740 XT (215-0727019)

GPU Variant

-

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.826 billion

Transistors

0.181 billion

137 mm²

Die Size

67 mm²

Graphics Features

10.1 (10_1)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

1.1

OpenCL

N/A

Vulkan

N/A

-

4.1

Shader Model

4.1

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