ATI Radeon HD 5770 X2 vs ATI Radeon HD 5970

VS

ATI Radeon HD 5770 X2

ATI Radeon HD 5970

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5770 X2 and 1024MB VRAM ATI Radeon HD 5970 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5770 X2 's Advantages

Released 11 months late

ATI Radeon HD 5970 's Advantages

Larger VRAM bandwidth (128.0GB/s vs 76.80GB/s)

800 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 5770 X2

1.36 TFLOPS

ATI Radeon HD 5970 +70%

2.32 TFLOPS

Radeon HD 5770 X2

VS

ATI Radeon HD 5970

Graphics Card

Oct 2010

Release Date

Nov 2009

Evergreen

Generation

Evergreen

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

76.80GB/s

Bandwidth

128.0GB/s

Render Config

10

Compute Units

20

-

800

Shading Units

1600

40

TMUs

80

16

ROPs

32

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

13.60 GPixel/s

Pixel Rate

23.20 GPixel/s

34.00 GTexel/s

Texture Rate

58.00 GTexel/s

-

1360 GFLOPS

FP32 (float)

2.320 TFLOPS

-

FP64 (double)

464.0 GFLOPS

Board Design

Unknown

TDP

294W

200 W

Suggested PSU

600 W

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

Outputs

2x DVI 1x mini-DisplayPort 1.1

-

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Juniper

GPU Name

Hemlock

Juniper XT (215-0754013)

GPU Variant

Hemlock XT (215-0735075)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.04 billion

Transistors

2.154 billion

166 mm²

Die Size

334 mm²

Graphics Features

11.2 (11_0)

DirectX

11.2 (11_0)

4.4

OpenGL

4.4

1.2

OpenCL

1.2

N/A

Vulkan

N/A

-

5.0

Shader Model

5.0

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