ATI Radeon HD 2900 XTX vs ATI Radeon X1550

VS

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 XTX and 256MB VRAM Radeon X1550 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 12.80GB/s)

320 additional rendering cores

ATI Radeon X1550 's Advantages

Lower TDP (27W vs 240W)

Score

Radeon HD 2900 XTX

VS

Radeon X1550

Graphics Card

Unknown

Release Date

Jan 2007

Radeon R600

Generation

Radeon R500 PCIe

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

828 MHz

Memory Clock

400 MHz

Memory

512MB

Memory Size

256MB

GDDR3

Memory Type

DDR2

512bit

Memory Bus

128bit

106.0GB/s

Bandwidth

12.80GB/s

Render Config

-

SM Count

-

4

Compute Units

-

320

Shading Units

-

16

TMUs

4

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

L1 Cache

-

256 KB

L2 Cache

-

Theoretical Performance

11.89 GPixel/s

Pixel Rate

2.200 GPixel/s

11.89 GTexel/s

Texture Rate

2.200 GTexel/s

-

FP16 (half)

-

475.5 GFLOPS

FP32 (float)

-

FP64 (double)

-

Graphics Processor

R600

GPU Name

RV516

R600 XTX A11 (215RGMDKA11FG)

GPU Variant

-

TeraScale

Architecture

R500

TSMC

Foundry

UMC

80 nm

Process Size

80 nm

0.72 billion

Transistors

0.107 billion

420 mm²

Die Size

100 mm²

Board Design

240W

TDP

27W

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 Features

10.0 (10_0)

DirectX

9.0c (9_3)

3.3 (full) 4.0 (partial)

OpenGL

2.1

N/A

OpenCL

N/A

Vulkan

N/A

-

CUDA

-

4.0

Shader Model

3.0

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