ATI Radeon HD 2900 XTX vs ATI Radeon HD 3470

VS

ATI Radeon HD 2900 XTX

ATI Radeon HD 3470

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 XTX and 256MB VRAM Radeon HD 3470 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 2900 XTX 's Advantages

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (106.0GB/s vs 15.20GB/s)

280 additional rendering cores

ATI Radeon HD 3470 's Advantages

Lower TDP (30W vs 240W)

Score

Benchmark

FP32 (float)

Radeon HD 2900 XTX +643%

0.476 TFLOPS

Radeon HD 3470

0.064 TFLOPS

Radeon HD 2900 XTX

VS

Radeon HD 3470

Graphics Card

Unknown

Release Date

Jan 2008

Radeon R600

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

828 MHz

Memory Clock

950 MHz

Memory

512MB

Memory Size

256MB

GDDR3

Memory Type

GDDR3

512bit

Memory Bus

64bit

106.0GB/s

Bandwidth

15.20GB/s

Render Config

4

Compute Units

2

-

320

Shading Units

40

16

TMUs

4

16

ROPs

4

-

256 KB

L2 Cache

64 KB

-

Theoretical Performance

11.89 GPixel/s

Pixel Rate

3.200 GPixel/s

11.89 GTexel/s

Texture Rate

3.200 GTexel/s

-

475.5 GFLOPS

FP32 (float)

64.00 GFLOPS

-

Board Design

240W

TDP

30W

550 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

1x DVI 1x VGA 1x S-Video

2x 6-pin

Power Connectors

None

Graphics Processor

R600

GPU Name

RV620

R600 XTX A11 (215RGMDKA11FG)

GPU Variant

RV620 PRO (215-0670006)

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

80 nm

Process Size

55 nm

0.72 billion

Transistors

0.181 billion

420 mm²

Die Size

67 mm²

Graphics Features

10.0 (10_0)

DirectX

10.1 (10_1)

3.3 (full) 4.0 (partial)

OpenGL

3.3

N/A

OpenCL

N/A

Vulkan

N/A

-

4.0

Shader Model

4.1

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