AMD Radeon RX 550 640SP vs ATI Radeon HD 5450 PCIe x1

VS

AMD Radeon RX 550 640SP

ATI Radeon HD 5450 PCIe x1

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550 640SP 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 550 640SP 's Advantages

Released 7 years and 8 months late

Boost Clock1071MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (96.00GB/s vs 8.000GB/s)

560 additional rendering cores

ATI Radeon HD 5450 PCIe x1 's Advantages

Lower TDP (19W vs 60W)

Score

Benchmark

FP32 (float)

Radeon RX 550 640SP +1218%

1.371 TFLOPS

Radeon HD 5450 PCIe x1

0.104 TFLOPS

Radeon RX 550 640SP

VS

Radeon HD 5450 PCIe x1

Graphics Card

Oct 2017

Release Date

Feb 2010

Polaris

Generation

Evergreen

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x1

Clock Speeds

1019 MHz

Base Clock

-

1071 MHz

Boost Clock

-

1500 MHz

Memory Clock

500 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

96.00GB/s

Bandwidth

8.000GB/s

Render Config

10

Compute Units

2

-

640

Shading Units

80

40

TMUs

8

16

ROPs

4

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

128 KB

-

Theoretical Performance

17.14 GPixel/s

Pixel Rate

2.600 GPixel/s

42.84 GTexel/s

Texture Rate

5.200 GTexel/s

1371 GFLOPS

FP16 (half)

-

1371 GFLOPS

FP32 (float)

104.0 GFLOPS

85.68 GFLOPS

FP64 (double)

-

Board Design

60W

TDP

19W

250 W

Suggested PSU

200 W

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

None

Power Connectors

-

Graphics Processor

Baffin

GPU Name

Cedar

Baffin LE

GPU Variant

Cedar PRO

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

3 billion

Transistors

0.292 billion

123 mm²

Die Size

59 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

Vulkan

N/A

-

6.4

Shader Model

5.0

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