AMD Radeon HD 6390 vs ATI Radeon HD 5770 X2

VS

AMD Radeon HD 6390

ATI Radeon HD 5770 X2

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6390 and 1024MB VRAM Radeon HD 5770 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6390 's Advantages

Released 9 months late

ATI Radeon HD 5770 X2 's Advantages

Larger VRAM bandwidth (76.80GB/s vs 16.00GB/s)

480 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6390

0.352 TFLOPS

Radeon HD 5770 X2 +286%

1.36 TFLOPS

Radeon HD 6390

VS

Radeon HD 5770 X2

Graphics Card

Jul 2011

Release Date

Oct 2010

Northern Islands

Generation

Evergreen

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

500 MHz

Memory Clock

1200 MHz

Memory

1024MB

Memory Size

1024MB

DDR2

Memory Type

GDDR5

128bit

Memory Bus

128bit

16.00GB/s

Bandwidth

76.80GB/s

Render Config

4

Compute Units

10

-

320

Shading Units

800

16

TMUs

40

8

ROPs

16

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

4.400 GPixel/s

Pixel Rate

13.60 GPixel/s

8.800 GTexel/s

Texture Rate

34.00 GTexel/s

-

352.0 GFLOPS

FP32 (float)

1360 GFLOPS

-

Board Design

39W

TDP

Unknown

200 W

Suggested PSU

200 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

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

None

Power Connectors

-

Graphics Processor

Redwood

GPU Name

Juniper

Redwood LE

GPU Variant

Juniper XT (215-0754013)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.627 billion

Transistors

1.04 billion

104 mm²

Die Size

166 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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