AMD Radeon HD 6990 vs ATI Radeon HD 2400 PRO AGP

VS

AMD Radeon HD 6990

ATI Radeon HD 2400 PRO AGP

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6990 and 256MB VRAM ATI Radeon HD 2400 PRO AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990 's Advantages

Released 3 years and 9 months late

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (160.0GB/s vs 6.400GB/s)

1496 additional rendering cores

ATI Radeon HD 2400 PRO AGP 's Advantages

Lower TDP (20W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 6990 +5971%

2.55 TFLOPS

ATI Radeon HD 2400 PRO AGP

0.042 TFLOPS

Radeon HD 6990

VS

ATI Radeon HD 2400 PRO AGP

Graphics Card

Mar 2011

Release Date

Jun 2007

Northern Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

AGP 8x

Clock Speeds

-

1250 MHz

Memory Clock

400 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

64bit

160.0GB/s

Bandwidth

6.400GB/s

Render Config

24

Compute Units

2

-

1536

Shading Units

40

96

TMUs

4

32

ROPs

4

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

32 KB

-

Theoretical Performance

26.56 GPixel/s

Pixel Rate

2.100 GPixel/s

79.68 GTexel/s

Texture Rate

2.100 GTexel/s

-

2.550 TFLOPS

FP32 (float)

42.00 GFLOPS

637.4 GFLOPS

FP64 (double)

-

Board Design

375W

TDP

20W

750 W

Suggested PSU

200 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

1x DVI 1x VGA 1x S-Video

2x 8-pin

Power Connectors

None

Graphics Processor

Antilles

GPU Name

RV610

Antilles XT (215-0807027)

GPU Variant

RV610 LE AGP (215LKBALA15FG)

TeraScale 3

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

65 nm

2.64 billion

Transistors

0.18 billion

389 mm²

Die Size

85 mm²

Graphics Features

11.2 (11_0)

DirectX

10.0 (10_0)

4.4

OpenGL

3.3

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

4.0

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