AMD Radeon HD 8790M vs ATI Mobility Radeon HD 2600 XT Mac Edition

VS

AMD Radeon HD 8790M ATI Mobility Radeon HD 2600 XT Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8790M and 256MB VRAM Mobility Radeon HD 2600 XT Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8790M 's Advantages

Released 5 years and 9 months late

Boost Clock900MHz

Larger VRAM bandwidth (64.00GB/s vs 21.92GB/s)

264 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8790M +379%

0.691 TFLOPS

Mobility Radeon HD 2600 XT Mac Edition

0.144 TFLOPS

Radeon HD 8790M

VS

Mobility Radeon HD 2600 XT Mac Edition

Graphics Card

Apr 2013

Release Date

Jul 2007

Solar System

Generation

M7x

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

MXM-II

Clock Speeds

850 MHz

Base Clock

-

900 MHz

Boost Clock

-

1000 MHz

Memory Clock

685 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

21.92GB/s

Render Config

-

SM Count

-

6

Compute Units

3

384

Shading Units

120

24

TMUs

8

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

64 KB

Theoretical Performance

7.200 GPixel/s

Pixel Rate

2.400 GPixel/s

21.60 GTexel/s

Texture Rate

4.800 GTexel/s

-

FP16 (half)

-

691.2 GFLOPS

FP32 (float)

144.0 GFLOPS

43.20 GFLOPS

FP64 (double)

-

Graphics Processor

Mars

GPU Name

M76

Mars M2 XTX (216-0842036)

GPU Variant

M76 XT-M (216XJBKA13FG)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

0.95 billion

Transistors

0.39 billion

77 mm²

Die Size

153 mm²

Board Design

Unknown

TDP

Unknown

-

Suggested PSU

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Features

12 (11_1)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3

2.1 (1.2)

OpenCL

N/A

1.2.170

Vulkan

N/A

-

CUDA

-

6.5 (5.1)

Shader Model

4.0

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