ATI Mobility Radeon X2500 vs AMD Radeon HD 7770M

VS

ATI Mobility Radeon X2500

AMD Radeon HD 7770M

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon X2500 and 1024MB VRAM Radeon HD 7770M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7770M 's Advantages

Released 4 years and 10 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (64.00GB/s vs 12.80GB/s)

512 additional rendering cores

Score

Mobility Radeon X2500

VS

Radeon HD 7770M

Graphics Card

Jun 2007

Release Date

Apr 2012

M6x

Generation

London

Mobile

Type

Mobile

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

400 MHz

Memory Clock

1000 MHz

Memory

256MB

Memory Size

1024MB

DDR2

Memory Type

GDDR5

128bit

Memory Bus

128bit

12.80GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

8

-

Shading Units

512

4

TMUs

32

4

ROPs

16

-

L1 Cache

16 KB (per CU)

-

L2 Cache

256 KB

-

Theoretical Performance

1.840 GPixel/s

Pixel Rate

10.80 GPixel/s

1.840 GTexel/s

Texture Rate

21.60 GTexel/s

-

FP32 (float)

691.2 GFLOPS

-

FP64 (double)

43.20 GFLOPS

Board Design

Unknown

TDP

32W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

M66

GPU Name

Chelsea

-

GPU Variant

Chelsea XT

Ultra-Threaded SE

Architecture

GCN 1.0

TSMC

Foundry

TSMC

90 nm

Process Size

28 nm

0.157 billion

Transistors

1.5 billion

150 mm²

Die Size

123 mm²

Graphics Features

9.0c (9_3)

DirectX

12 (11_1)

2.1

OpenGL

4.6

N/A

OpenCL

1.2

N/A

Vulkan

1.2

-

3.0

Shader Model

5.1

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