AMD Radeon R9 270 1024SP vs ATI Radeon X1550

VS

AMD Radeon R9 270 1024SP ATI Radeon X1550

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270 1024SP 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 270 1024SP 's Advantages

Released 8 years and 2 months late

Boost Clock925MHz

Larger VRAM bandwidth (153.6GB/s vs 12.80GB/s)

1024 additional rendering cores

ATI Radeon X1550 's Advantages

Lower TDP (27W vs 150W)

Score

Radeon R9 270 1024SP

VS

Radeon X1550

Graphics Card

Mar 2015

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

900 MHz

Base Clock

-

925 MHz

Boost Clock

-

1200 MHz

Memory Clock

400 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

128bit

153.6GB/s

Bandwidth

12.80GB/s

Render Config

-

SM Count

-

16

Compute Units

-

1024

Shading Units

-

64

TMUs

4

32

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

2.200 GPixel/s

59.20 GTexel/s

Texture Rate

2.200 GTexel/s

-

FP16 (half)

-

1.894 TFLOPS

FP32 (float)

-

118.4 GFLOPS

FP64 (double)

-

Graphics Processor

Pitcairn

GPU Name

RV516

Pitcairn PRO (215-0828062)

GPU Variant

-

GCN 1.0

Architecture

R500

TSMC

Foundry

UMC

28 nm

Process Size

80 nm

2.8 billion

Transistors

0.107 billion

212 mm²

Die Size

100 mm²

Board Design

150W

TDP

27W

450 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x VGA 1x S-Video

1x 6-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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