ATI Radeon HD 5770 X2 vs AMD Radeon R9 270

VS

ATI Radeon HD 5770 X2

AMD Radeon R9 270

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5770 X2 and 2GB VRAM Radeon R9 270 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 270 's Advantages

Released 3 years and 1 months late

Boost Clock925MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (179.2GB/s vs 76.80GB/s)

480 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 5770 X2

1.36 TFLOPS

Radeon R9 270 +74%

2.368 TFLOPS

Radeon HD 5770 X2

VS

Radeon R9 270

Graphics Card

Oct 2010

Release Date

Nov 2013

Evergreen

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

925 MHz

1200 MHz

Memory Clock

1400 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

76.80GB/s

Bandwidth

179.2GB/s

Render Config

10

Compute Units

20

-

800

Shading Units

1280

40

TMUs

80

16

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

13.60 GPixel/s

Pixel Rate

29.60 GPixel/s

34.00 GTexel/s

Texture Rate

74.00 GTexel/s

-

1360 GFLOPS

FP32 (float)

2.368 TFLOPS

-

FP64 (double)

148.0 GFLOPS

Board Design

Unknown

TDP

150W

200 W

Suggested PSU

450 W

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

Outputs

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

-

Power Connectors

1x 6-pin

Graphics Processor

Juniper

GPU Name

Curacao

Juniper XT (215-0754013)

GPU Variant

Curacao PRO (215-0848000)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.04 billion

Transistors

2.8 billion

166 mm²

Die Size

212 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

1.2

N/A

Vulkan

1.2

-

5.0

Shader Model

5.1

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