AMD Radeon RX 550X 640SP vs AMD Radeon HD 7450 OEM

VS

AMD Radeon RX 550X 640SP AMD Radeon HD 7450 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550X 640SP and 512MB VRAM Radeon HD 7450 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550X 640SP 's Advantages

Released 6 years and 3 months late

Boost Clock1071MHz

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

480 additional rendering cores

AMD Radeon HD 7450 OEM 's Advantages

Lower TDP (18W vs 60W)

Score

Benchmark

FP32 (float)

Radeon RX 550X 640SP +585%

1.371 TFLOPS

Radeon HD 7450 OEM

0.2 TFLOPS

Radeon RX 550X 640SP

VS

Radeon HD 7450 OEM

Graphics Card

Apr 2018

Release Date

Jan 2012

Polaris

Generation

Southern 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

-

SM Count

-

10

Compute Units

2

640

Shading Units

160

40

TMUs

8

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

128 KB

Theoretical Performance

17.14 GPixel/s

Pixel Rate

2.500 GPixel/s

42.84 GTexel/s

Texture Rate

5.000 GTexel/s

1371 GFLOPS

FP16 (half)

-

1371 GFLOPS

FP32 (float)

200.0 GFLOPS

85.68 GFLOPS

FP64 (double)

-

Graphics Processor

Baffin

GPU Name

Caicos

Baffin LE

GPU Variant

Caimour

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

Board Design

60W

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

None

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

6.4

Shader Model

5.0

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