AMD Radeon HD 8550 OEM vs AMD Radeon RX 455 OEM

VS

AMD Radeon HD 8550 OEM

AMD Radeon RX 455 OEM

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 8550 OEM and 2GB VRAM Radeon RX 455 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8550 OEM 's Advantages

Lower TDP (60W vs 100W)

AMD Radeon RX 455 OEM 's Advantages

Released 2 years and 8 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (104.0GB/s vs 25.60GB/s)

288 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8550 OEM

0.624 TFLOPS

Radeon RX 455 OEM +158%

1.613 TFLOPS

Radeon HD 8550 OEM

VS

Radeon RX 455 OEM

Graphics Card

Oct 2013

Release Date

Jun 2016

Sea Islands

Generation

Arctic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

800 MHz

Memory Clock

1625 MHz

Memory

1024MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

25.60GB/s

Bandwidth

104.0GB/s

Render Config

6

Compute Units

12

-

480

Shading Units

768

24

TMUs

48

8

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

5.200 GPixel/s

Pixel Rate

16.80 GPixel/s

15.60 GTexel/s

Texture Rate

50.40 GTexel/s

-

624.0 GFLOPS

FP32 (float)

1.613 TFLOPS

-

FP64 (double)

100.8 GFLOPS

Board Design

60W

TDP

100W

250 W

Suggested PSU

300 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

None

Power Connectors

1x 6-pin

Graphics Processor

Turks

GPU Name

Tobago

Turks PRO (215-0803002)

GPU Variant

Tobago PRO (215-0875010)

TeraScale 2

Architecture

GCN 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.716 billion

Transistors

2.08 billion

118 mm²

Die Size

160 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.0

N/A

Vulkan

1.2

-

5.0

Shader Model

6.3

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