AMD Radeon RX 455 OEM vs ATI Radeon HD 5450 PCIe x1

VS

AMD Radeon RX 455 OEM

ATI Radeon HD 5450 PCIe x1

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 455 OEM and 512MB VRAM Radeon HD 5450 PCIe x1 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 455 OEM 's Advantages

Released 6 years and 4 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (104.0GB/s vs 8.000GB/s)

688 additional rendering cores

ATI Radeon HD 5450 PCIe x1 's Advantages

Lower TDP (19W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX 455 OEM +1450%

1.613 TFLOPS

Radeon HD 5450 PCIe x1

0.104 TFLOPS

Radeon RX 455 OEM

VS

Radeon HD 5450 PCIe x1

Graphics Card

Jun 2016

Release Date

Feb 2010

Arctic Islands

Generation

Evergreen

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x1

Clock Speeds

-

1625 MHz

Memory Clock

500 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

104.0GB/s

Bandwidth

8.000GB/s

Render Config

12

Compute Units

2

-

768

Shading Units

80

48

TMUs

8

16

ROPs

4

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

16.80 GPixel/s

Pixel Rate

2.600 GPixel/s

50.40 GTexel/s

Texture Rate

5.200 GTexel/s

-

1.613 TFLOPS

FP32 (float)

104.0 GFLOPS

100.8 GFLOPS

FP64 (double)

-

Board Design

100W

TDP

19W

300 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin

Power Connectors

-

Graphics Processor

Tobago

GPU Name

Cedar

Tobago PRO (215-0875010)

GPU Variant

Cedar PRO

GCN 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.08 billion

Transistors

0.292 billion

160 mm²

Die Size

59 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.0

OpenCL

1.2

Vulkan

N/A

-

6.3

Shader Model

5.0

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