AMD Radeon RX 550 512SP vs AMD Radeon HD 6450 OEM

VS

AMD Radeon RX 550 512SP

AMD Radeon HD 6450 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550 512SP and 512MB VRAM Radeon HD 6450 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550 512SP 's Advantages

Released 6 years and 8 months late

Boost Clock1071MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (96.00GB/s vs 8.528GB/s)

352 additional rendering cores

AMD Radeon HD 6450 OEM 's Advantages

Lower TDP (18W vs 50W)

Score

Benchmark

FP32 (float)

Radeon RX 550 512SP +448%

1.097 TFLOPS

Radeon HD 6450 OEM

0.2 TFLOPS

Radeon RX 550 512SP

VS

Radeon HD 6450 OEM

Graphics Card

Oct 2017

Release Date

Feb 2011

Polaris

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1019 MHz

Base Clock

-

1071 MHz

Boost Clock

-

1500 MHz

Memory Clock

533 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

64bit

96.00GB/s

Bandwidth

8.528GB/s

Render Config

8

Compute Units

2

-

512

Shading Units

160

32

TMUs

8

16

ROPs

4

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

17.14 GPixel/s

Pixel Rate

2.500 GPixel/s

34.27 GTexel/s

Texture Rate

5.000 GTexel/s

1097 GFLOPS

FP16 (half)

-

1097 GFLOPS

FP32 (float)

200.0 GFLOPS

68.54 GFLOPS

FP64 (double)

-

Board Design

50W

TDP

18W

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

None

Graphics Processor

Baffin

GPU Name

Caicos

Baffin LE

GPU Variant

Junbonator

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

3 billion

Transistors

0.37 billion

123 mm²

Die Size

67 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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