AMD Radeon R9 280 vs ATI Radeon X1550

VS

We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280 and 256MB VRAM Radeon X1550 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 280 's Advantages

Released 7 years and 2 months late

Boost Clock933MHz

Larger VRAM bandwidth (240.0GB/s vs 12.80GB/s)

1792 additional rendering cores

ATI Radeon X1550 's Advantages

Lower TDP (27W vs 200W)

Score

Radeon R9 280

VS

Radeon X1550

Graphics Card

Mar 2014

Release Date

Jan 2007

Volcanic Islands

Generation

Radeon R500 PCIe

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

827 MHz

Base Clock

-

933 MHz

Boost Clock

-

1250 MHz

Memory Clock

400 MHz

Memory

3GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

384bit

Memory Bus

128bit

240.0GB/s

Bandwidth

12.80GB/s

Render Config

-

SM Count

-

28

Compute Units

-

1792

Shading Units

-

112

TMUs

4

32

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

-

Theoretical Performance

29.86 GPixel/s

Pixel Rate

2.200 GPixel/s

104.5 GTexel/s

Texture Rate

2.200 GTexel/s

-

FP16 (half)

-

3.344 TFLOPS

FP32 (float)

-

836.0 GFLOPS

FP64 (double)

-

Graphics Processor

Tahiti

GPU Name

RV516

Tahiti PRO3 (215-0821330)

GPU Variant

-

GCN 1.0

Architecture

R500

TSMC

Foundry

UMC

28 nm

Process Size

80 nm

4.313 billion

Transistors

0.107 billion

352 mm²

Die Size

100 mm²

Board Design

200W

TDP

27W

550 W

Suggested PSU

200 W

1x DVI 2x HDMI 1.4a 1x DisplayPort 1.2

Outputs

1x DVI 1x VGA 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

CUDA

-

5.1

Shader Model

3.0

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