AMD Radeon 550X vs ATI Radeon HD 3450 PCI

VS

AMD Radeon 550X

ATI Radeon HD 3450 PCI

We compared two Desktop platform GPUs: 2GB VRAM Radeon 550X and 512MB VRAM Radeon HD 3450 PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 550X 's Advantages

Released 11 years and 2 months late

Boost Clock1218MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (112.0GB/s vs 6.400GB/s)

472 additional rendering cores

ATI Radeon HD 3450 PCI 's Advantages

Lower TDP (25W vs 50W)

Score

Benchmark

FP32 (float)

Radeon 550X +2497%

1.247 TFLOPS

Radeon HD 3450 PCI

0.048 TFLOPS

Radeon 550X

VS

Radeon HD 3450 PCI

Graphics Card

Mar 2019

Release Date

Jan 2008

Polaris

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCI

Clock Speeds

1082 MHz

Base Clock

-

1218 MHz

Boost Clock

-

1750 MHz

Memory Clock

400 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

DDR2

128bit

Memory Bus

64bit

112.0GB/s

Bandwidth

6.400GB/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

19.49 GPixel/s

Pixel Rate

2.400 GPixel/s

38.98 GTexel/s

Texture Rate

2.400 GTexel/s

1247 GFLOPS

FP16 (half)

-

1247 GFLOPS

FP32 (float)

48.00 GFLOPS

77.95 GFLOPS

FP64 (double)

-

Board Design

50W

TDP

25W

250 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x S-Video

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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