AMD Radeon HD 7750 vs AMD Radeon RX 550X

VS

AMD Radeon HD 7750

AMD Radeon RX 550X

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7750 and 4GB VRAM Radeon RX 550X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550X 's Advantages

Released 6 years and 10 months late

Boost Clock1183MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (96.00GB/s vs 72.00GB/s)

Lower TDP (50W vs 55W)

Score

Benchmark

FP32 (float)

Radeon HD 7750

0.819 TFLOPS

Radeon RX 550X +47%

1.211 TFLOPS

Radeon HD 7750

VS

Radeon RX 550X

Graphics Card

Feb 2012

Release Date

Dec 2018

Southern Islands

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1100 MHz

-

Boost Clock

1183 MHz

1125 MHz

Memory Clock

1500 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

72.00GB/s

Bandwidth

96.00GB/s

Render Config

8

Compute Units

8

-

512

Shading Units

512

32

TMUs

32

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

12.80 GPixel/s

Pixel Rate

18.93 GPixel/s

25.60 GTexel/s

Texture Rate

37.86 GTexel/s

-

FP16 (half)

1211 GFLOPS

819.2 GFLOPS

FP32 (float)

1211 GFLOPS

51.20 GFLOPS

FP64 (double)

75.71 GFLOPS

Board Design

55W

TDP

50W

250 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

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

None

Power Connectors

None

Graphics Processor

Cape Verde

GPU Name

Lexa

Cape Verde PRO

GPU Variant

Lexa PRO (215-0904018)

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

1.5 billion

Transistors

2.2 billion

123 mm²

Die Size

103 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2

-

5.1

Shader Model

6.4

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