AMD Radeon HD 8550 OEM vs ATI Radeon HD 3870 X2

VS

AMD Radeon HD 8550 OEM

ATI Radeon HD 3870 X2

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 8550 OEM and 512MB VRAM Radeon HD 3870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8550 OEM 's Advantages

Released 5 years and 9 months late

More VRAM (1024GB vs 512GB)

160 additional rendering cores

Lower TDP (60W vs 165W)

ATI Radeon HD 3870 X2 's Advantages

Larger VRAM bandwidth (57.66GB/s vs 25.60GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 8550 OEM +18%

0.624 TFLOPS

Radeon HD 3870 X2

0.528 TFLOPS

Radeon HD 8550 OEM

VS

Radeon HD 3870 X2

Graphics Card

Oct 2013

Release Date

Jan 2008

Sea Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

901 MHz

Memory

1024MB

Memory Size

512MB

GDDR3

Memory Type

GDDR3

128bit

Memory Bus

256bit

25.60GB/s

Bandwidth

57.66GB/s

Render Config

6

Compute Units

4

-

480

Shading Units

320

24

TMUs

16

8

ROPs

16

-

8 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

256 KB

-

Theoretical Performance

5.200 GPixel/s

Pixel Rate

13.20 GPixel/s

15.60 GTexel/s

Texture Rate

13.20 GTexel/s

-

624.0 GFLOPS

FP32 (float)

528.0 GFLOPS

-

FP64 (double)

105.6 GFLOPS

Board Design

60W

TDP

165W

250 W

Suggested PSU

450 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Turks

GPU Name

R680

Turks PRO (215-0803002)

GPU Variant

R680 XT (215-0708017)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.716 billion

Transistors

0.666 billion

118 mm²

Die Size

192 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3 (full) 4.0 (partial)

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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