AMD Radeon R9 270 vs AMD Radeon HD 6530

VS

AMD Radeon R9 270

AMD Radeon HD 6530

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270 and 1024MB VRAM Radeon HD 6530 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 270 's Advantages

Released 2 years and 6 months late

Boost Clock925MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (179.2GB/s vs 19.20GB/s)

880 additional rendering cores

AMD Radeon HD 6530 's Advantages

Lower TDP (39W vs 150W)

Score

Benchmark

FP32 (float)

Radeon R9 270 +355%

2.368 TFLOPS

Radeon HD 6530

0.52 TFLOPS

Radeon R9 270

VS

Radeon HD 6530

Graphics Card

Nov 2013

Release Date

May 2011

Volcanic Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

900 MHz

Base Clock

-

925 MHz

Boost Clock

-

1400 MHz

Memory Clock

600 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

179.2GB/s

Bandwidth

19.20GB/s

Render Config

20

Compute Units

5

-

1280

Shading Units

400

80

TMUs

20

32

ROPs

8

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

5.200 GPixel/s

74.00 GTexel/s

Texture Rate

13.00 GTexel/s

-

2.368 TFLOPS

FP32 (float)

520.0 GFLOPS

148.0 GFLOPS

FP64 (double)

-

Board Design

150W

TDP

39W

450 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin

Power Connectors

-

Graphics Processor

Curacao

GPU Name

Redwood

Curacao PRO (215-0848000)

GPU Variant

Redwood PRO (215-0757004)

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.8 billion

Transistors

0.627 billion

212 mm²

Die Size

104 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

5.1

Shader Model

5.0

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