AMD Radeon 550X Mobile vs ATI Mobility Radeon HD 2600 XT

VS

AMD Radeon 550X Mobile

ATI Mobility Radeon HD 2600 XT

We compared two Mobile platform GPUs: 4GB VRAM Radeon 550X Mobile and 256MB VRAM Mobility Radeon HD 2600 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 550X Mobile 's Advantages

Released 10 years and 11 months late

Boost Clock1287MHz

More VRAM (4GB vs 256GB)

Larger VRAM bandwidth (48.00GB/s vs 24.00GB/s)

520 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon 550X Mobile +910%

1.647 TFLOPS

Mobility Radeon HD 2600 XT

0.163 TFLOPS

Radeon 550X Mobile

VS

Mobility Radeon HD 2600 XT

Graphics Card

Apr 2018

Release Date

May 2007

Mobility Radeon

Generation

M7x

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-II

Clock Speeds

1100 MHz

Base Clock

-

1287 MHz

Boost Clock

-

1500 MHz

Memory Clock

750 MHz

Memory

4GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

64bit

Memory Bus

128bit

48.00GB/s

Bandwidth

24.00GB/s

Render Config

10

Compute Units

3

-

640

Shading Units

120

40

TMUs

8

16

ROPs

4

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

64 KB

-

Theoretical Performance

20.59 GPixel/s

Pixel Rate

2.720 GPixel/s

51.48 GTexel/s

Texture Rate

5.440 GTexel/s

1.647 TFLOPS

FP16 (half)

-

1.647 TFLOPS

FP32 (float)

163.2 GFLOPS

103.0 GFLOPS

FP64 (double)

-

Board Design

50W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Polaris 23

GPU Name

M76

Polaris 23 MXT

GPU Variant

M76 XT-M (216XJBKA13FG)

GCN 4.0

Architecture

TeraScale

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

65 nm

2.2 billion

Transistors

0.39 billion

103 mm²

Die Size

153 mm²

Graphics Features

12 (12_0)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3

2.1

OpenCL

N/A

1.2

Vulkan

N/A

-

6.4

Shader Model

4.0

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