C64/C128 I/O performances

Numbers may change due to bugfixes and changes in IDEDOS 0.9x! For corrections write to soci at server c64.rulez.org.

• All systems are PAL.
• C64/C128 means stock machine, native mode
• 1541/1571/1581 means stock drive
• C64J/C128J means C64/C128 with JiffyDOS 6.01
• 1541J means 1541 with JiffyDOS 5.0
• 1571J/1581J means 1571/1581 with JiffyDOS 6.0
• C64S means C64 with SpeedDOS Plus (and cable)
• 1541S means 1541 with SpeedDOS Plus
• C64D means C64 with Dolphin DOS 2.0 Plus (and cable)
• 1541D means 1541 with Dolphin DOS 2.0
• SCPU means SuperCPU64 at 20 MHz
• ID means IDEDOS (IDE64 cartridge)
• CHS/LBA means accessing mode of harddisk
• XPCLINK means PCLink over X1541, XA1541, XM1541 or XE1541 cable
• PPCLINK means PCLink over PC64 parallel cable

  Time is represented in seconds for the transfer of a 185 block program.

  LOAD ($FFD5)

  Machine, device		Speed (1000 bytes/sec)	Time
  C64	Datassette	0.04	1121.5
  C64	1541	0.40	116.9
  C64	1571	0.41	114.3
  C64	Datassette Turbo Tape 64	0.44	107.1
  C64	64HDD V0.75 Normal	0.48	99.2
  C64	1581	0.55	85.0
  C64	64HDD V0.75 Faster	0.56	84.6
  C64	CMD-HD	0.62	76.6
  C64	64HDD V0.75 Fastest	0.63	75.4
  C64J	1541J	3.6	13.0
  C64S	1541S	3.6	12.9
  C128	1571	3.8	12.5
  C64	XPCLINK+CRC ID 0.9x	4.5	10.5
  C64	XPCLINK ID 0.9x	5.0	9.4
  C64J	1571J	5.1	9.3
  C128J	1571J	5.2	9.0
  SCPU	XPCLINK+CRC ID 0.9x	6.0	7.9
  C64J	FD2000	6.1	7.7
  SCPU	XPCLINK ID 0.9x	6.5	7.2
  C64	PPCLINK+CRC ID 0.9x	7.6	6.2
  C64J	1581J	7.8	6.0
  C128J	1581J	8.1	5.8
  C64J	CMD-HD	8.8	5.4
  C64D	1541D	11.0	4.3
  SCPU	PPCLINK+CRC ID 0.9x	12.4	3.8
  C64	ID 0.9x v0.11 1.2Mb LS-120	22.8	2.1
  C64	ID 0.9x v0.11 720Kb LS-120	23.4	2.0
  SCPU	ID 0.9x v0.11 720Kb LS-120	23.7	2.0
  C64	ID 0.9x v0.11 1.44Mb LS-120	24.3	1.9
  SCPU	ID 0.9x v0.11 1.2Mb LS-120	36.6	1.3
  C64	ID 0.9x v0.11 120Mb LS-120	39.3	1.2
  SCPU	ID 0.9x v0.11 1.44Mb LS-120	42.2	1.1
  SCPU	ID 0.9x v0.11 120Mb LS-120	46.9	1.0
  C64	Ramlink 4Mb	50.7	0.9
  C64	ID 0.9x v0.11 250Mb ZiP250	63.7	0.7
  C64	ID 0.9x v0.11 100Mb ZiP100	64.3	0.7
  C64	ID 0.9x v0.11 LBA SanDisk 16Mb CF	70.9	0.7
  C64	ID 0.9x v0.11 CHS Quantum FB640a	71.8	0.7
  C64	ID 0.9x v0.11 LBA Quantum FB640a	71.8	0.7
  SCPU	ID 0.9x v0.11 100Mb ZiP100	83.5	0.6
  C64	1764 RamDOS 3.3	239.6	0.2
  SCPU	ID 0.9x v0.11 LBA SanDisk 16Mb CF	273.1	0.2
  SCPU	ID 0.9x v0.11 CHS Quantum FB640a	278.9	0.2
  SCPU	ID 0.9x v0.11 LBA Quantum FB640a	279.3	0.2
  SCPU	Ramlink 4Mb	393.3	0.1

  
  

  CHRIN ($FFCF)

  Machine, device		Speed (bytes/sec)	Time
  C64	Datassette	30	1570.1
  C64	1541	404	116.6
  C64	1571	413	114.1
  C64	64HDD V0.75 Normal	481	97.9
  C64	1581	548	86.0
  C64	64HDD V0.75 Faster	559	84.3
  C64	64HDD V0.75 Fastest	627	75.1
  C64	CMD-HD	634	74.3
  C64J	1541J	989	47.6
  C128J	1571J	1089	43.3
  C64J	1571J	1090	43.2
  C64S	1541S	1220	38.6
  C128	1571	1349	34.9
  C64	XPCLINK+CRC ID 0.9x	3587	13.1
  C64	1764 RamDOS 3.3	3713	12.7
  C64J	FD2000	3795	12.4
  C64J	1581J	3872	12.2
  C64	XPCLINK ID 0.9x	3903	12.1
  C64D	1541D	4037	11.7
  SCPU	XPCLINK+CRC ID 0.9x	4341	10.9
  C64J	CMD-HD	4548	10.4
  SCPU	XPCLINK ID 0.9x	4578	10.3
  C128J	1581J	5218	9.0
  C64	PPCLINK+CRC ID 0.9x	5283	8.9
  C64	ID 0.9x v0.11 720Kb LS-120	5458	8.6
  SCPU	ID 0.9x v0.11 720Kb LS-120	5466	8.6
  C64	Ramlink 4Mb	5661	8.3
  C64	ID 0.9x v0.11 1.2Mb LS-120	5689	8.3
  SCPU	ID 0.9x v0.11 1.2Mb LS-120	5698	8.3
  C64	ID 0.9x v0.11 1.44Mb LS-120	5710	8.2
  SCPU	ID 0.9x v0.11 1.44Mb LS-120	5753	8.2
  SCPU	PPCLINK+CRC ID 0.9x	6934	6.8
  C64	ID 0.9x v0.11 120Mb LS-120	9593	4.9
  C64	ID 0.9x v0.11 LBA SanDisk 16Mb CF	10645	4.4
  C64	ID 0.9x v0.11 100Mb ZiP100	10717	4.4
  C64	ID 0.9x v0.11 250Mb ZiP250	10800	4.4
  SCPU	ID 0.9x v0.11 120Mb LS-120	10853	4.3
  C64	ID 0.9x v0.11 CHS Quantum FB640a	11038	4.3
  C64	ID 0.9x v0.11 LBA Quantum FB640a	11038	4.3
  SCPU	ID 0.9x v0.11 100Mb ZiP100	12511	3.8
  SCPU	ID 0.9x v0.11 LBA SanDisk 16Mb CF	12659	3.7
  SCPU	ID 0.9x v0.11 CHS Quantum FB640a	12891	3.7
  SCPU	ID 0.9x v0.11 LBA Quantum FB640a	12892	3.7
  SCPU	Ramlink 4Mb	33782	1.4

  
  

  SAVE ($FFD8)

  Machine, device		Speed (1000 bytes/sec)	Time
  C64	Datassette	0.04	1121.5
  C64	1541	0.39	122.3
  C64	1571	0.42	111.1
  C64	Datassette Turbo Tape 64	0.44	107.1
  C64S	1541S	0.49	95.4
  C128	1571	0.54	87.7
  C64	CMD-HD	0.86	55.0
  C64	1581	0.90	52.5
  C64	64HDD V0.75 all	0.90	52.5
  C64J	1541J	0.92	51.5
  C128J	1571J	1.0	49.2
  C64J	1571J	1.0	47.5
  C64J	FD2000	2.0	23.9
  C128J	1581J	2.2	21.0
  C64J	1581J	2.3	20.3
  C64J	CMD-HD	2.7	17.4
  C64	XPCLINK+CRC ID 0.9x	4.6	10.2
  C64	XPCLINK ID 0.9x	5.1	9.2
  C64D	1541D	5.8	8.2
  C64	PPCLINK+CRC ID 0.9x	5.8	8.1
  SCPU	XPCLINK+CRC ID 0.9x	5.9	7.9
  SCPU	XPCLINK ID 0.9x	6.4	7.4
  SCPU	ID 0.9x v0.11 720Kb LS-120	6.6	7.1
  C64	ID 0.9x v0.11 720Kb LS-120	7.0	6.8
  SCPU	ID 0.9x v0.11 1.2Mb LS-120	8.3	5.7
  SCPU	ID 0.9x v0.11 1.44Mb LS-120	8.3	5.7
  C64	ID 0.9x v0.11 1.2Mb LS-120	8.8	5.3
  C64	ID 0.9x v0.11 1.44Mb LS-120	9.0	5.2
  SCPU	PPCLINK+CRC ID 0.9x	9.0	5.2
  C64	Ramlink 4Mb	18.8	2.5
  C64	ID 0.9x v0.11 120Mb LS-120	25.0	1.9
  SCPU	ID 0.9x v0.11 120Mb LS-120	27.3	1.7
  C64	ID 0.9x v0.11 250Mb ZiP250	54.1	0.9
  C64	ID 0.9x v0.11 100Mb ZiP100	55.5	0.8
  C64	ID 0.9x v0.11 LBA SanDisk 16Mb CF	64.3	0.7
  C64	ID 0.9x v0.11 CHS Quantum FB640a	65.6	0.7
  SCPU	ID 0.9x v0.11 100Mb ZiP100	66.5	0.7
  C64	ID 0.9x v0.11 LBA Quantum FB640a	66.6	0.7
  SCPU	Ramlink 4Mb	103.3	0.5
  SCPU	ID 0.9x v0.11 LBA SanDisk 16Mb CF	173.4	0.3
  SCPU	ID 0.9x v0.11 CHS Quantum FB640a	236.8	0.2
  C64	1764 RamDOS 3.3	238.6	0.2
  SCPU	ID 0.9x v0.11 LBA Quantum FB640a	243.3	0.2

  
  

  CHROUT ($FFD2)

  Machine, device		Speed (bytes/sec)	Time
  C64	Datassette	30	1570.1
  C64	1541	371	127.0
  C64	1571	462	102.0
  C64S	1541S	475	99.2
  C128	1571	523	90.1
  C64J	1541J	819	57.5
  C128J	1571J	873	54.0
  C64	CMD-HD	894	52.7
  C64J	1571J	923	51.0
  C64	1581	939	50.2
  C64	64HDD V0.75 all	947	49.7
  C64D	1541D	1786	26.4
  C64	ID 0.9x v0.11 720Kb LS-120	1931	24.4
  SCPU	ID 0.9x v0.11 720Kb LS-120	1964	24.0
  C64	ID 0.9x v0.11 1.2Mb LS-120	1985	23.7
  C64	ID 0.9x v0.11 1.44Mb LS-120	2023	23.3
  SCPU	ID 0.9x v0.11 1.2Mb LS-120	2029	23.2
  SCPU	ID 0.9x v0.11 1.44Mb LS-120	2035	23.1
  C64J	FD2000	2360	20.0
  C64J	1581J	2572	18.3
  C128J	1581J	3021	15.6
  C64J	CMD-HD	3184	14.8
  C64	1764 RamDOS 3.3	3208	14.7
  C64	XPCLINK+CRC ID 0.9x	3605	13.1
  C64	XPCLINK ID 0.9x	3861	12.2
  C64	PPCLINK+CRC ID 0.9x	4227	11.1
  SCPU	XPCLINK+CRC ID 0.9x	4382	10.7
  SCPU	XPCLINK ID 0.9x	4569	10.3
  C64	Ramlink 4Mb	5487	8.6
  SCPU	PPCLINK+CRC ID 0.9x	5779	8.2
  C64	ID 0.9x v0.11 120Mb LS-120	6116	7.7
  SCPU	ID 0.9x v0.11 120Mb LS-120	6117	7.7
  C64	ID 0.9x v0.11 250Mb ZiP250	8342	5.6
  C64	ID 0.9x v0.11 CHS Quantum FB640a	9649	4.9
  C64	ID 0.9x v0.11 100Mb ZiP100	9994	4.7
  C64	ID 0.9x v0.11 LBA SanDisk 16Mb CF	10035	4.7
  C64	ID 0.9x v0.11 LBA Quantum FB640a	10256	4.6
  SCPU	ID 0.9x v0.11 CHS Quantum FB640a	10855	4.3
  SCPU	ID 0.9x v0.11 100Mb ZiP100	10995	4.3
  SCPU	ID 0.9x v0.11 LBA SanDisk 16Mb CF	11107	4.2
  SCPU	ID 0.9x v0.11 LBA Quantum FB640a	11226	4.2
  SCPU	Ramlink 4Mb	31886	1.5

  
  

  READ ($DEF4)

  Machine, device		Speed (1000 bytes/sec)	Time
  C64	ID 0.9x v0.11 720Kb LS-120	23.9	2.0
  SCPU	ID 0.9x v0.11 720Kb LS-120	24.3	1.9
  C64	ID 0.9x v0.11 1.2Mb LS-120	26.2	1.8
  C64	ID 0.9x v0.11 1.44Mb LS-120	26.8	1.8
  C64	ID 0.9x v0.11 120Mb LS-120	40.1	1.2
  SCPU	ID 0.9x v0.11 1.2Mb LS-120	40.1	1.2
  SCPU	ID 0.9x v0.11 1.44Mb LS-120	46.7	1.0
  SCPU	ID 0.9x v0.11 120Mb LS-120	47.7	1.0
  C64	ID 0.9x v0.11 100Mb ZiP100	73.6	0.6
  C64	ID 0.9x v0.11 250Mb ZiP250	74.8	0.6
  C64	ID 0.9x v0.11 LBA SanDisk 16Mb CF	75.5	0.6
  C64	ID 0.9x v0.11 CHS Quantum FB640a	76.0	0.6
  C64	ID 0.9x v0.11 LBA Quantum FB640a	76.1	0.6
  SCPU	ID 0.9x v0.11 100Mb ZiP100	95.4	0.5
  SCPU	ID 0.9x v0.11 LBA SanDisk 16Mb CF	319.9	0.1
  SCPU	ID 0.9x v0.11 CHS Quantum FB640a	324.0	0.1
  SCPU	ID 0.9x v0.11 LBA Quantum FB640a	325.4	0.1