AMD Radeon HD 8570 OEM vs AMD Radeon HD 6390

VS

AMD Radeon HD 8570 OEM

AMD Radeon HD 6390

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 8570 OEM and 1024MB VRAM Radeon HD 6390 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8570 OEM 's Advantages

Released 1 years and 6 months late

Boost Clock780MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (28.80GB/s vs 16.00GB/s)

64 additional rendering cores

AMD Radeon HD 6390 's Advantages

Lower TDP (39W vs 50W)

Score

Benchmark

FP32 (float)

Radeon HD 8570 OEM +70%

0.599 TFLOPS

Radeon HD 6390

0.352 TFLOPS

Radeon HD 8570 OEM

VS

Radeon HD 6390

Graphics Card

Jan 2013

Release Date

Jul 2011

Sea Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

730 MHz

Base Clock

-

780 MHz

Boost Clock

-

900 MHz

Memory Clock

500 MHz

Memory

2GB

Memory Size

1024MB

GDDR3

Memory Type

DDR2

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

16.00GB/s

Render Config

6

Compute Units

4

-

384

Shading Units

320

24

TMUs

16

8

ROPs

8

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

6.240 GPixel/s

Pixel Rate

4.400 GPixel/s

18.72 GTexel/s

Texture Rate

8.800 GTexel/s

-

599.0 GFLOPS

FP32 (float)

352.0 GFLOPS

37.44 GFLOPS

FP64 (double)

-

Board Design

50W

TDP

39W

250 W

Suggested PSU

200 W

1x DVI 1x HDMI 1.4a 1x VGA

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

None

Power Connectors

None

Graphics Processor

Oland

GPU Name

Redwood

-

GPU Variant

Redwood LE

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

0.95 billion

Transistors

0.627 billion

77 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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