ATI Radeon HD 3550 vs AMD Radeon HD 8870 OEM

VS

ATI Radeon HD 3550

AMD Radeon HD 8870 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3550 and 2GB VRAM Radeon HD 8870 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3550 's Advantages

Lower TDP (30W vs 175W)

AMD Radeon HD 8870 OEM 's Advantages

Released 4 years and 5 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (153.6GB/s vs 6.336GB/s)

1240 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3550

0.048 TFLOPS

Radeon HD 8870 OEM +5233%

2.56 TFLOPS

Radeon HD 3550

VS

Radeon HD 8870 OEM

Graphics Card

Aug 2008

Release Date

Jan 2013

Radeon R600

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

396 MHz

Memory Clock

1200 MHz

Memory

512MB

Memory Size

2GB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

256bit

6.336GB/s

Bandwidth

153.6GB/s

Render Config

2

Compute Units

20

-

40

Shading Units

1280

4

TMUs

80

4

ROPs

32

-

L1 Cache

16 KB (per CU)

64 KB

L2 Cache

512 KB

-

Theoretical Performance

2.376 GPixel/s

Pixel Rate

32.00 GPixel/s

2.376 GTexel/s

Texture Rate

80.00 GTexel/s

-

47.52 GFLOPS

FP32 (float)

2.560 TFLOPS

-

FP64 (double)

160.0 GFLOPS

Board Design

30W

TDP

175W

200 W

Suggested PSU

450 W

2x DisplayPort

Outputs

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

None

Power Connectors

2x 6-pin

Graphics Processor

RV620

GPU Name

Pitcairn

RV620 PRO (215-0670006)

GPU Variant

Pitcairn XT (215-0828047)

TeraScale

Architecture

GCN 1.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.181 billion

Transistors

2.8 billion

67 mm²

Die Size

212 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_1)

3.3

OpenGL

4.6

N/A

OpenCL

1.2

N/A

Vulkan

1.2

-

4.1

Shader Model

5.1

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