AMD Radeon 740M vs AMD Radeon R6 M255DX

VS

AMD Radeon 740M

AMD Radeon R6 M255DX

We compared two Integrated graphics card GPUs: 0System Shared VRAM Radeon 740M and 0System Shared VRAM Radeon R6 M255DX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 740M 's Advantages

Released 8 years and 3 months late

Boost Clock has increased by 166% (2500MHz vs 940MHz)

AMD Radeon R6 M255DX 's Advantages

128 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon 740M +255%

2.56 TFLOPS

Radeon R6 M255DX

0.721 TFLOPS

Radeon 740M

VS

Radeon R6 M255DX

Graphics Card

Jan 2023

Release Date

Oct 2014

Navi III IGP

Generation

Gem System Hybrid

Integrated

Type

Integrated

PCIe 4.0 x8

Bus Interface

IGP

Clock Speeds

800 MHz

Base Clock

925 MHz

2500 MHz

Boost Clock

940 MHz

System Shared

Memory Clock

System Shared

Memory

System Shared

Memory Size

System Shared

Memory Type

System Shared

Memory Bus

System Shared

System Dependent

Bandwidth

System Dependent

Render Config

4

Compute Units

6

-

256

Shading Units

384

16

TMUs

24

8

ROPs

8

-

4

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

20.00 GPixel/s

Pixel Rate

7.520 GPixel/s

40.00 GTexel/s

Texture Rate

22.56 GTexel/s

5.120 TFLOPS

FP16 (half)

721.9 GFLOPS

2.560 TFLOPS

FP32 (float)

721.9 GFLOPS

160.0 GFLOPS

FP64 (double)

45.12 GFLOPS

Board Design

15W

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Phoenix

GPU Name

Topaz

-

GPU Variant

Topaz PRO (216-0858030)

RDNA 3.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

4 nm

Process Size

28 nm

25.39 billion

Transistors

1.55 billion

178 mm²

Die Size

125 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.3

Vulkan

1.2.170

-

6.7

Shader Model

6.5

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