ATI Radeon HD 4670 AGP vs AMD Radeon HD 6990

VS

ATI Radeon HD 4670 AGP

AMD Radeon HD 6990

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 4670 AGP and 2GB VRAM Radeon HD 6990 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4670 AGP 's Advantages

Lower TDP (59W vs 375W)

AMD Radeon HD 6990 's Advantages

Released 1 years and 8 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 25.60GB/s)

1216 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 4670 AGP

0.48 TFLOPS

Radeon HD 6990 +431%

2.55 TFLOPS

Radeon HD 4670 AGP

VS

Radeon HD 6990

Graphics Card

Jul 2009

Release Date

Mar 2011

Radeon R700

Generation

Northern Islands

Desktop

Type

Desktop

AGP 8x

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

25.60GB/s

Bandwidth

160.0GB/s

Render Config

4

Compute Units

24

-

320

Shading Units

1536

32

TMUs

96

8

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

6.000 GPixel/s

Pixel Rate

26.56 GPixel/s

24.00 GTexel/s

Texture Rate

79.68 GTexel/s

-

480.0 GFLOPS

FP32 (float)

2.550 TFLOPS

-

FP64 (double)

637.4 GFLOPS

Board Design

59W

TDP

375W

250 W

Suggested PSU

750 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

1x DVI 4x mini-DisplayPort 1.2

-

Power Connectors

2x 8-pin

Graphics Processor

RV730

GPU Name

Antilles

RV730 XT (215-0719047)

GPU Variant

Antilles XT (215-0807027)

TeraScale

Architecture

TeraScale 3

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.514 billion

Transistors

2.64 billion

146 mm²

Die Size

389 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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