AMD Radeon R9 270 1024SP vs ATI Radeon HD 3550

VS

AMD Radeon R9 270 1024SP

ATI Radeon HD 3550

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270 1024SP and 512MB VRAM Radeon HD 3550 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 270 1024SP 's Advantages

Released 6 years and 7 months late

Boost Clock925MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (153.6GB/s vs 6.336GB/s)

984 additional rendering cores

ATI Radeon HD 3550 's Advantages

Lower TDP (30W vs 150W)

Score

Benchmark

FP32 (float)

Radeon R9 270 1024SP +3845%

1.894 TFLOPS

Radeon HD 3550

0.048 TFLOPS

Radeon R9 270 1024SP

VS

Radeon HD 3550

Graphics Card

Mar 2015

Release Date

Aug 2008

Volcanic Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

900 MHz

Base Clock

-

925 MHz

Boost Clock

-

1200 MHz

Memory Clock

396 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

64bit

153.6GB/s

Bandwidth

6.336GB/s

Render Config

16

Compute Units

2

-

1024

Shading Units

40

64

TMUs

4

32

ROPs

4

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

64 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

2.376 GPixel/s

59.20 GTexel/s

Texture Rate

2.376 GTexel/s

-

1.894 TFLOPS

FP32 (float)

47.52 GFLOPS

118.4 GFLOPS

FP64 (double)

-

Board Design

150W

TDP

30W

450 W

Suggested PSU

200 W

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

Outputs

2x DisplayPort

1x 6-pin

Power Connectors

None

Graphics Processor

Pitcairn

GPU Name

RV620

Pitcairn PRO (215-0828062)

GPU Variant

RV620 PRO (215-0670006)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

2.8 billion

Transistors

0.181 billion

212 mm²

Die Size

67 mm²

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

5.1

Shader Model

4.1

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