AMD Radeon R9 270 vs AMD Radeon HD 6750

VS

AMD Radeon R9 270

AMD Radeon HD 6750

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270 and 1024MB VRAM Radeon HD 6750 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 10 months late

Boost Clock925MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (179.2GB/s vs 73.60GB/s)

560 additional rendering cores

AMD Radeon HD 6750 's Advantages

Lower TDP (86W vs 150W)

Score

Benchmark

FP32 (float)

Radeon R9 270 +134%

2.368 TFLOPS

Radeon HD 6750

1.008 TFLOPS

Radeon R9 270

VS

Radeon HD 6750

Graphics Card

Nov 2013

Release Date

Jan 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

1150 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

179.2GB/s

Bandwidth

73.60GB/s

Render Config

20

Compute Units

9

-

1280

Shading Units

720

80

TMUs

36

32

ROPs

16

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

11.20 GPixel/s

74.00 GTexel/s

Texture Rate

25.20 GTexel/s

-

2.368 TFLOPS

FP32 (float)

1008 GFLOPS

148.0 GFLOPS

FP64 (double)

-

Board Design

150W

TDP

86W

450 W

Suggested PSU

250 W

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

Outputs

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Curacao

GPU Name

Juniper

Curacao PRO (215-0848000)

GPU Variant

Juniper LE (215-0754009)

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.8 billion

Transistors

1.04 billion

212 mm²

Die Size

166 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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