AMD Radeon HD 8570 OEM vs AMD Radeon HD 6990

VS

AMD Radeon HD 8570 OEM

AMD Radeon HD 6990

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 8570 OEM and 2GB VRAM Radeon HD 6990 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 10 months late

Boost Clock780MHz

Lower TDP (50W vs 375W)

AMD Radeon HD 6990 's Advantages

Larger VRAM bandwidth (160.0GB/s vs 28.80GB/s)

1152 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8570 OEM

0.599 TFLOPS

Radeon HD 6990 +325%

2.55 TFLOPS

Radeon HD 8570 OEM

VS

Radeon HD 6990

Graphics Card

Jan 2013

Release Date

Mar 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

1250 MHz

Memory

2GB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

28.80GB/s

Bandwidth

160.0GB/s

Render Config

6

Compute Units

24

-

384

Shading Units

1536

24

TMUs

96

8

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

6.240 GPixel/s

Pixel Rate

26.56 GPixel/s

18.72 GTexel/s

Texture Rate

79.68 GTexel/s

-

599.0 GFLOPS

FP32 (float)

2.550 TFLOPS

37.44 GFLOPS

FP64 (double)

637.4 GFLOPS

Board Design

50W

TDP

375W

250 W

Suggested PSU

750 W

1x DVI 1x HDMI 1.4a 1x VGA

Outputs

1x DVI 4x mini-DisplayPort 1.2

None

Power Connectors

2x 8-pin

Graphics Processor

Oland

GPU Name

Antilles

-

GPU Variant

Antilles XT (215-0807027)

GCN 1.0

Architecture

TeraScale 3

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

0.95 billion

Transistors

2.64 billion

77 mm²

Die Size

389 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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