ATI Mobility Radeon HD 2600 XT vs AMD Radeon HD 8770M

VS

ATI Mobility Radeon HD 2600 XT

AMD Radeon HD 8770M

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 2600 XT and 2GB VRAM Radeon HD 8770M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8770M 's Advantages

Released 5 years and 11 months late

Boost Clock825MHz

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (72.00GB/s vs 24.00GB/s)

264 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 2600 XT

0.163 TFLOPS

Radeon HD 8770M +288%

0.633 TFLOPS

Mobility Radeon HD 2600 XT

VS

Radeon HD 8770M

Graphics Card

May 2007

Release Date

Apr 2013

M7x

Generation

Solar System

Mobile

Type

Mobile

MXM-II

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

775 MHz

-

Boost Clock

825 MHz

750 MHz

Memory Clock

1125 MHz

Memory

256MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

24.00GB/s

Bandwidth

72.00GB/s

Render Config

3

Compute Units

6

-

120

Shading Units

384

8

TMUs

24

4

ROPs

8

-

L1 Cache

16 KB (per CU)

64 KB

L2 Cache

256 KB

-

Theoretical Performance

2.720 GPixel/s

Pixel Rate

6.600 GPixel/s

5.440 GTexel/s

Texture Rate

19.80 GTexel/s

-

163.2 GFLOPS

FP32 (float)

633.6 GFLOPS

-

FP64 (double)

39.60 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Graphics Processor

M76

GPU Name

Mars

M76 XT-M (216XJBKA13FG)

GPU Variant

Mars S3 XT (216-0842018)

TeraScale

Architecture

GCN 1.0

TSMC

Foundry

TSMC

65 nm

Process Size

28 nm

0.39 billion

Transistors

0.95 billion

153 mm²

Die Size

77 mm²

Graphics Features

10.0 (10_0)

DirectX

12 (11_1)

3.3

OpenGL

4.6

N/A

OpenCL

2.1 (1.2)

N/A

Vulkan

1.2.170

-

4.0

Shader Model

6.5 (5.1)

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