AMD Radeon HD 6390 vs ATI Radeon HD 4670 AGP

VS

AMD Radeon HD 6390

ATI Radeon HD 4670 AGP

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

Main Differences

AMD Radeon HD 6390 's Advantages

Released 2 years late

Lower TDP (39W vs 59W)

ATI Radeon HD 4670 AGP 's Advantages

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

Score

Benchmark

FP32 (float)

Radeon HD 6390

0.352 TFLOPS

Radeon HD 4670 AGP +36%

0.48 TFLOPS

Radeon HD 6390

VS

Radeon HD 4670 AGP

Graphics Card

Jul 2011

Release Date

Jul 2009

Northern Islands

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

AGP 8x

Clock Speeds

-

500 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

1024MB

DDR2

Memory Type

GDDR3

128bit

Memory Bus

128bit

16.00GB/s

Bandwidth

25.60GB/s

Render Config

4

Compute Units

4

-

320

Shading Units

320

16

TMUs

32

8

ROPs

8

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

4.400 GPixel/s

Pixel Rate

6.000 GPixel/s

8.800 GTexel/s

Texture Rate

24.00 GTexel/s

-

352.0 GFLOPS

FP32 (float)

480.0 GFLOPS

-

Board Design

39W

TDP

59W

200 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

None

Power Connectors

-

Graphics Processor

Redwood

GPU Name

RV730

Redwood LE

GPU Variant

RV730 XT (215-0719047)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.627 billion

Transistors

0.514 billion

104 mm²

Die Size

146 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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