ATI Radeon HD 4750 vs AMD Radeon RX 455 OEM

VS

ATI Radeon HD 4750

AMD Radeon RX 455 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4750 and 2GB VRAM Radeon RX 455 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 455 OEM 's Advantages

Released 6 years and 9 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (104.0GB/s vs 51.20GB/s)

128 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 4750

0.934 TFLOPS

Radeon RX 455 OEM +72%

1.613 TFLOPS

Radeon HD 4750

VS

Radeon RX 455 OEM

Graphics Card

Sep 2009

Release Date

Jun 2016

Radeon R700

Generation

Arctic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

800 MHz

Memory Clock

1625 MHz

Memory

512MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

51.20GB/s

Bandwidth

104.0GB/s

Render Config

8

Compute Units

12

-

640

Shading Units

768

32

TMUs

48

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

11.68 GPixel/s

Pixel Rate

16.80 GPixel/s

23.36 GTexel/s

Texture Rate

50.40 GTexel/s

-

934.4 GFLOPS

FP32 (float)

1.613 TFLOPS

186.9 GFLOPS

FP64 (double)

100.8 GFLOPS

Board Design

100W

TDP

100W

300 W

Suggested PSU

300 W

2x DVI 1x S-Video

Outputs

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

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

RV740

GPU Name

Tobago

RV740 PRO

GPU Variant

Tobago PRO (215-0875010)

TeraScale

Architecture

GCN 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.826 billion

Transistors

2.08 billion

137 mm²

Die Size

160 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (12_0)

3.3

OpenGL

4.6

1.1

OpenCL

2.0

N/A

Vulkan

1.2

-

4.1

Shader Model

6.3

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