ATI Radeon HD 3850 X3 vs AMD Radeon HD 8550 OEM

VS

ATI Radeon HD 3850 X3

AMD Radeon HD 8550 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3850 X3 and 1024MB VRAM Radeon HD 8550 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3850 X3 's Advantages

Larger VRAM bandwidth (54.40GB/s vs 25.60GB/s)

AMD Radeon HD 8550 OEM 's Advantages

More VRAM (1024GB vs 512GB)

160 additional rendering cores

Lower TDP (60W vs 145W)

Score

Benchmark

FP32 (float)

Radeon HD 3850 X3

0.428 TFLOPS

Radeon HD 8550 OEM +45%

0.624 TFLOPS

Radeon HD 3850 X3

VS

Radeon HD 8550 OEM

Graphics Card

Unknown

Release Date

Oct 2013

Radeon R600

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

850 MHz

Memory Clock

800 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR3

256bit

Memory Bus

128bit

54.40GB/s

Bandwidth

25.60GB/s

Render Config

4

Compute Units

6

-

320

Shading Units

480

16

TMUs

24

16

ROPs

8

-

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

10.70 GPixel/s

Pixel Rate

5.200 GPixel/s

10.70 GTexel/s

Texture Rate

15.60 GTexel/s

-

428.2 GFLOPS

FP32 (float)

624.0 GFLOPS

-

Board Design

145W

TDP

60W

300 W

Suggested PSU

250 W

4x DVI

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 8-pin

Power Connectors

None

Graphics Processor

RV670

GPU Name

Turks

RV670 PRO (215-0708003)

GPU Variant

Turks PRO (215-0803002)

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.666 billion

Transistors

0.716 billion

192 mm²

Die Size

118 mm²

Graphics Features

10.1 (10_1)

DirectX

11.2 (11_0)

3.3 (full) 4.0 (partial)

OpenGL

4.4

N/A

OpenCL

1.2

N/A

Vulkan

N/A

-

4.1

Shader Model

5.0

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