AMD Radeon R5 M255 vs ATI Mobility Radeon HD 4850 X2

VS

AMD Radeon R5 M255 ATI Mobility Radeon HD 4850 X2

We compared two Mobile platform GPUs: 2GB VRAM Radeon R5 M255 and 1024MB VRAM Mobility Radeon HD 4850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 M255 's Advantages

Released 5 years and 9 months late

Boost Clock940MHz

More VRAM (2GB vs 1GB)

ATI Mobility Radeon HD 4850 X2 's Advantages

Larger VRAM bandwidth (89.60GB/s vs 32.00GB/s)

416 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 M255

0.721 TFLOPS

Mobility Radeon HD 4850 X2 +10%

0.8 TFLOPS

Radeon R5 M255

VS

Mobility Radeon HD 4850 X2

Graphics Card

Oct 2014

Release Date

Jan 2009

Gem System

Generation

M9x

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

925 MHz

Base Clock

-

940 MHz

Boost Clock

-

1000 MHz

Memory Clock

700 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

32.00GB/s

Bandwidth

89.60GB/s

Render Config

-

SM Count

-

6

Compute Units

10

384

Shading Units

800

24

TMUs

40

8

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

Theoretical Performance

7.520 GPixel/s

Pixel Rate

8.000 GPixel/s

22.56 GTexel/s

Texture Rate

20.00 GTexel/s

721.9 GFLOPS

FP16 (half)

-

721.9 GFLOPS

FP32 (float)

800.0 GFLOPS

45.12 GFLOPS

FP64 (double)

160.0 GFLOPS

Graphics Processor

Topaz

GPU Name

M98

Topaz PRO (216-0858030)

GPU Variant

M98 L2 (216-0732019)

GCN 3.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

1.55 billion

Transistors

0.956 billion

125 mm²

Die Size

256 mm²

Board Design

Unknown

TDP

Unknown

-

Suggested PSU

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.2.170

Vulkan

N/A

-

CUDA

-

6.5

Shader Model

4.1

Related GPU Comparisons

1

AMD Radeon R5 M255 vs ATI Mobility Radeon HD 4550

2

AMD Radeon R5 M255 vs NVIDIA GeForce 8800M GTS

3

AMD Radeon R5 M255 vs ATI Mobility Radeon HD 2600

4

AMD Radeon R5 M255 vs AMD Radeon R7 M445

5

AMD Radeon R5 M255 vs NVIDIA GeForce 720A

6

AMD Radeon R5 M255 vs AMD Radeon HD 7730M

7

AMD Radeon R5 M255 vs AMD Radeon HD 7590M

8

AMD Radeon R5 M255 vs AMD Radeon HD 6670A

9

AMD Radeon R5 M255 vs AMD Radeon RX 580 Mobile

10

AMD Radeon R5 M255 vs NVIDIA GeForce RTX 3050 Mobile Refresh

Related News

1

AMD Ryzen 9000 DDR5 Memory Frequency Soars: Reaches 8000MHz with All Four Slots Occupied

2

Snapdragon 8 Gen 4 to Feature Frame Interpolation for GPU: A Game-Changing Experience

3

Intel Adds 5 New Device IDs to Latest Linux Xe Kernel in Preparation for Battlemage

4

Ryzen AI 9 365 Benchmark Results Leaked: Significant Improvements in Multi-Core and IPC Performance Over Previous Generation

5

Concerns Raised by Unstable 13th/14th Gen Core CPUs: Motherboard Manufacturers Worry About Impact on Arrow Lake Release and Sales

6

Do You Really Know What a "Rendering Engine" Is? Read This Article to Understand All About It

7

New AMD Zen5 Ryzen 9000 Motherboards X870E/X870 to Adopt USB4! But You’ll Have to Wait Two More Months

8

Surpassing RTX 2050! Intel's Next-Gen Integrated Graphics Benchmark Closely Approaches AMD

9

New Benchmarks for AMD Ryzen AI 9 HX 370 Revealed: Single-Core Parity with R9 7945HX3D, Multi-Core Still Lower

10

X3D Performance Beyond Words! AMD Ryzen 7 9700X May Unlock Power Consumption: From 65W to 120W