ATI Radeon HD 4670 vs AMD Radeon HD 6770 Green Edition

VS

ATI Radeon HD 4670

AMD Radeon HD 6770 Green Edition

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4670 and 2GB VRAM Radeon HD 6770 Green Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4670 's Advantages

Larger VRAM bandwidth (32.00GB/s vs 21.34GB/s)

Lower TDP (59W vs 86W)

AMD Radeon HD 6770 Green Edition 's Advantages

Released 4 years and 7 months late

More VRAM (2GB vs 512GB)

400 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 4670

0.48 TFLOPS

Radeon HD 6770 Green Edition +110%

1.008 TFLOPS

Radeon HD 4670

VS

Radeon HD 6770 Green Edition

Graphics Card

Sep 2008

Release Date

Apr 2013

Radeon R700

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

667 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

GDDR3

128bit

Memory Bus

128bit

32.00GB/s

Bandwidth

21.34GB/s

Render Config

4

Compute Units

9

-

320

Shading Units

720

32

TMUs

36

8

ROPs

16

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

6.000 GPixel/s

Pixel Rate

11.20 GPixel/s

24.00 GTexel/s

Texture Rate

25.20 GTexel/s

-

480.0 GFLOPS

FP32 (float)

1008 GFLOPS

-

Board Design

59W

TDP

86W

250 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

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

None

Power Connectors

-

Graphics Processor

RV730

GPU Name

Juniper

RV730 XT (215-0719047)

GPU Variant

Juniper LE (215-0754009)

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.514 billion

Transistors

1.04 billion

146 mm²

Die Size

166 mm²

Graphics Features

10.1 (10_1)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

-

4.1

Shader Model

5.0

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