ATI Radeon HD 2600 PRO AGP vs AMD Radeon HD 6990

VS

ATI Radeon HD 2600 PRO AGP

AMD Radeon HD 6990

We compared two Desktop platform GPUs: 512MB VRAM ATI Radeon HD 2600 PRO 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 2600 PRO AGP 's Advantages

Lower TDP (35W vs 375W)

AMD Radeon HD 6990 's Advantages

Released 3 years and 9 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (160.0GB/s vs 12.67GB/s)

1416 additional rendering cores

Score

Benchmark

FP32 (float)

ATI Radeon HD 2600 PRO AGP

0.143 TFLOPS

Radeon HD 6990 +1683%

2.55 TFLOPS

ATI Radeon HD 2600 PRO AGP

VS

Radeon HD 6990

Graphics Card

Jun 2007

Release Date

Mar 2011

Radeon R600

Generation

Northern Islands

Desktop

Type

Desktop

AGP 8x

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

396 MHz

Memory Clock

1250 MHz

Memory

512MB

Memory Size

2GB

DDR2

Memory Type

GDDR5

128bit

Memory Bus

256bit

12.67GB/s

Bandwidth

160.0GB/s

Render Config

3

Compute Units

24

-

120

Shading Units

1536

8

TMUs

96

4

ROPs

32

-

L1 Cache

8 KB (per CU)

64 KB

L2 Cache

512 KB

-

Theoretical Performance

2.376 GPixel/s

Pixel Rate

26.56 GPixel/s

4.752 GTexel/s

Texture Rate

79.68 GTexel/s

-

142.6 GFLOPS

FP32 (float)

2.550 TFLOPS

-

FP64 (double)

637.4 GFLOPS

Board Design

35W

TDP

375W

200 W

Suggested PSU

750 W

1x DVI 1x VGA 1x S-Video

Outputs

1x DVI 4x mini-DisplayPort 1.2

None

Power Connectors

2x 8-pin

Graphics Processor

RV630

GPU Name

Antilles

RV630 PRO (215CDBBKA15FG)

GPU Variant

Antilles XT (215-0807027)

TeraScale

Architecture

TeraScale 3

TSMC

Foundry

TSMC

65 nm

Process Size

40 nm

0.39 billion

Transistors

2.64 billion

153 mm²

Die Size

389 mm²

Graphics Features

10.0 (10_0)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

N/A

OpenCL

1.2

N/A

Vulkan

N/A

-

4.0

Shader Model

5.0

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