ATI Radeon HD 2900 XT vs AMD Radeon HD 6530

VS

ATI Radeon HD 2900 XT

AMD Radeon HD 6530

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 XT and 1024MB VRAM Radeon HD 6530 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 2900 XT 's Advantages

Larger VRAM bandwidth (106.0GB/s vs 19.20GB/s)

AMD Radeon HD 6530 's Advantages

Released 4 years late

More VRAM (1024GB vs 512GB)

80 additional rendering cores

Lower TDP (39W vs 215W)

Score

Benchmark

FP32 (float)

Radeon HD 2900 XT

0.476 TFLOPS

Radeon HD 6530 +9%

0.52 TFLOPS

Radeon HD 2900 XT

VS

Radeon HD 6530

Graphics Card

May 2007

Release Date

May 2011

Radeon R600

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

828 MHz

Memory Clock

600 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR3

512bit

Memory Bus

128bit

106.0GB/s

Bandwidth

19.20GB/s

Render Config

4

Compute Units

5

-

320

Shading Units

400

16

TMUs

20

16

ROPs

8

-

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

11.89 GPixel/s

Pixel Rate

5.200 GPixel/s

11.89 GTexel/s

Texture Rate

13.00 GTexel/s

-

475.5 GFLOPS

FP32 (float)

520.0 GFLOPS

-

Board Design

215W

TDP

39W

550 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin + 1x 8-pin

Power Connectors

-

Graphics Processor

R600

GPU Name

Redwood

R600 XT (215RGMDKA13FG)

GPU Variant

Redwood PRO (215-0757004)

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

80 nm

Process Size

40 nm

0.72 billion

Transistors

0.627 billion

420 mm²

Die Size

104 mm²

Graphics Features

10.0 (10_0)

DirectX

11.2 (11_0)

3.3 (full) 4.0 (partial)

OpenGL

4.4

N/A

OpenCL

1.2

N/A

Vulkan

N/A

-

4.0

Shader Model

5.0

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