Accelerator Speeds

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To better track IIe Accelerator testing this page has been created. Please update the table below with your findings.

As with any page on this Wiki, use the Discussion page (link above) to discuss your findings or related topics.


History

There are many accelerators for the Apple II over the years. Their speeds and processing ability have all been highly debated. This page was created to help document their test results, and is updateable by the Community.


Downloads / Software

As other software is written it will be posted here and the comparison charts updated / added.

On July 4th, 2017 Plamen Vaysilov (Пламен Вайсилов) modified modified "Speed Test" for the IIe to use a No Slot Clock to more carefully time tests.


Accelerator Comparison

Accelerator Speed Results Using "Speed Test" for the II/+/e/c.
Test Name Baseline Stock Time IIc+ 4MHz AE TransWarp AE TransWarp][ FastChip //e

(@16.6mhz)

McT SpeedDemon

Accelerator II

McT SpeedDemon

Accelerator IIe

Titan Technologies

Accelerator IIe

UltraWarp V1.91G ZIPChip

4 Mhz

ZIPChip

8 Mhz

CPU Index 114(.9764) 3.605 3.083 5.760 11.72 3.150 3.160 2.970 2.105
Text Index (.7715) 2.301 1.338 4.000 1.983 2.201 2.229 1.327 0
Video Index (.9851) 3.632 2.519 5.822 4.758 3.229 3.274 2.310 4.770
Disk Index 0 0 .7199 .9999 0 0 0 0
Memory Read 119.2(122) 32 37 18 10 36 37 38 121
Memory Write 119.2(122) 34 59 30 31 41 41 63 Crashed
Memory Read

(Zero Page)

119.6(122) 32 37 18 9 37 36 38 122
Memory Write

(Zero Page)

119.6(122) 34 37 37 10 43 43 38 Crashed
Indirect References 124(129) 35 40 20 10 39 39 41 14
Branch Calculations 119.3(122) 32 37 18 9 37 36 38 122
Register Variables 83.3(86) 24 26 13 7 26 26 27 85
Instruction Fetch 114(116) 31 35 17 8 35 35 37 117 = CPU Instruction Mix 114(116) 33 35 21 9 35 35 37 116