ATI Radeon HD 4670 AGP vs AMD Radeon HD 6390

VS

ATI Radeon HD 4670 AGP

AMD Radeon HD 6390

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 4670 AGP and 1024MB VRAM Radeon HD 6390 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4670 AGP 's Advantages

Larger VRAM bandwidth (25.60GB/s vs 16.00GB/s)

AMD Radeon HD 6390 's Advantages

Released 2 years late

Lower TDP (39W vs 59W)

Score

Benchmark

FP32 (float)

Radeon HD 4670 AGP +36%

0.48 TFLOPS

Radeon HD 6390

0.352 TFLOPS

Radeon HD 4670 AGP

VS

Radeon HD 6390

Graphics Card

Jul 2009

Release Date

Jul 2011

Radeon R700

Generation

Northern Islands

Desktop

Type

Desktop

AGP 8x

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

500 MHz

Memory

1024MB

Memory Size

1024MB

GDDR3

Memory Type

DDR2

128bit

Memory Bus

128bit

25.60GB/s

Bandwidth

16.00GB/s

Render Config

4

Compute Units

4

-

320

Shading Units

320

32

TMUs

16

8

ROPs

8

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

6.000 GPixel/s

Pixel Rate

4.400 GPixel/s

24.00 GTexel/s

Texture Rate

8.800 GTexel/s

-

480.0 GFLOPS

FP32 (float)

352.0 GFLOPS

-

Board Design

59W

TDP

39W

250 W

Suggested PSU

200 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

-

Power Connectors

None

Graphics Processor

RV730

GPU Name

Redwood

RV730 XT (215-0719047)

GPU Variant

Redwood LE

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.514 billion

Transistors

0.627 billion

146 mm²

Die Size

104 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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