ATI Mobility Radeon X1600 Mac Edition vs AMD Radeon HD 8790M

VS

ATI Mobility Radeon X1600 Mac Edition

AMD Radeon HD 8790M

We compared two Mobile platform GPUs: 128MB VRAM Mobility Radeon X1600 Mac Edition and 2GB VRAM Radeon HD 8790M 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 5 months late

Boost Clock900MHz

More VRAM (2GB vs 128GB)

Larger VRAM bandwidth (64.00GB/s vs 12.67GB/s)

384 additional rendering cores

Score

Mobility Radeon X1600 Mac Edition

VS

Radeon HD 8790M

Graphics Card

Nov 2007

Release Date

Apr 2013

M5x

Generation

Solar System

Mobile

Type

Mobile

PCIe 1.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

-

Base Clock

850 MHz

-

Boost Clock

900 MHz

396 MHz

Memory Clock

1000 MHz

Memory

128MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

12.67GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

6

-

Shading Units

384

4

TMUs

24

4

ROPs

8

-

L1 Cache

16 KB (per CU)

-

L2 Cache

256 KB

-

Theoretical Performance

1.592 GPixel/s

Pixel Rate

7.200 GPixel/s

1.592 GTexel/s

Texture Rate

21.60 GTexel/s

-

FP32 (float)

691.2 GFLOPS

-

FP64 (double)

43.20 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

M56

GPU Name

Mars

-

GPU Variant

Mars M2 XTX (216-0842036)

Ultra-Threaded SE

Architecture

GCN 1.0

TSMC

Foundry

TSMC

90 nm

Process Size

28 nm

0.157 billion

Transistors

0.95 billion

150 mm²

Die Size

77 mm²

Graphics Features

9.0c (9_3)

DirectX

12 (11_1)

2.1

OpenGL

4.6

N/A

OpenCL

2.1 (1.2)

N/A

Vulkan

1.2.170

-

3.0

Shader Model

6.5 (5.1)

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