AMD Radeon RX 550X vs ATI Radeon HD 3450 X2

VS

AMD Radeon RX 550X

ATI Radeon HD 3450 X2

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 550X and 512MB VRAM Radeon HD 3450 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550X 's Advantages

Released 11 years late

Boost Clock1183MHz

More VRAM (4GB vs 512GB)

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

472 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 550X +2422%

1.211 TFLOPS

Radeon HD 3450 X2

0.048 TFLOPS

Radeon RX 550X

VS

Radeon HD 3450 X2

Graphics Card

Dec 2018

Release Date

Dec 2007

Polaris

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1100 MHz

Base Clock

-

1183 MHz

Boost Clock

-

1500 MHz

Memory Clock

500 MHz

Memory

4GB

Memory Size

512MB

GDDR5

Memory Type

DDR2

128bit

Memory Bus

64bit

96.00GB/s

Bandwidth

8.000GB/s

Render Config

8

Compute Units

2

-

512

Shading Units

40

32

TMUs

4

16

ROPs

4

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

64 KB

-

Theoretical Performance

18.93 GPixel/s

Pixel Rate

2.400 GPixel/s

37.86 GTexel/s

Texture Rate

2.400 GTexel/s

1211 GFLOPS

FP16 (half)

-

1211 GFLOPS

FP32 (float)

48.00 GFLOPS

75.71 GFLOPS

FP64 (double)

-

Board Design

50W

TDP

50W

250 W

Suggested PSU

250 W

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

Outputs

2x DMS-59

None

Power Connectors

None

Graphics Processor

Lexa

GPU Name

RV620

Lexa PRO (215-0904018)

GPU Variant

RV620 LE

GCN 4.0

Architecture

TeraScale

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

55 nm

2.2 billion

Transistors

0.181 billion

103 mm²

Die Size

67 mm²

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

N/A

1.2

Vulkan

N/A

-

6.4

Shader Model

4.1

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