CPUを交換しました。 インテル社のCPUではなく、AMD社のCPUを載せました。 AMD K5-PR166 というCPUです。
このCPUはペンティアム166以上の性能を叩き出すといううたい文句でした。購入価格は ¥22800 でした。ペンティアム133との性能比較は以下の通りです。
Windsock の比較です
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Wintach の比較です
WinTach v1.2: Performance Report System Information:
System Processor : 486 |
WinTach v1.2: Performance Report System Information:
System Processor : 486 |
pfm486 の比較です
Performance of 486-PC Ver1.77h(C)1992-1995 DysanKeihin
P54C Frequency = 132.71 MHz Machine:AT v1.77h |
Performance of 486-PC Ver1.77h(C)1992-1995 DysanKeihin
P5 Frequency = 149.17 MHz Machine:AT v1.77h |
CPUBENCHの比較です
80X86 CPU Speed TEST v0.980 Copyright 1992 ZOBplus Hayami DHRYSTONE 30000 LOOPS Execute memory area: 5000:0000 ->5000:1C28 CPU Type: i486DX Virtual86 mode Ratio to the first PC9801 :276.40 Execute time : 00.25 sec. |
80X86 CPU Speed TEST v0.980 Copyright 1992 ZOBplus Hayami DHRYSTONE 30000 LOOPS Execute memory area: 5000:0000 ->5000:1C28 CPU Type: i486DX Virtual86 mode Ratio to the first PC9801 :314.09 Execute time : 00.22 sec. |
設定はベースクロック66MHzで、2.5倍にセットするのですが、試しに3倍にセットしたところ見事安定動作しています。ベンチマークの結果は以下の通りです。
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WinTach v1.2: Performance Report System Information:
System Processor : 486 | WinTach v1.2: Performance Report System Information:
System Processor : 486 |
80X86 CPU Speed TEST v0.980 Copyright 1992 ZOBplus Hayami DHRYSTONE 30000 LOOPS Execute memory area: 5000:0000 ->5000:1C28 CPU Type: i486DX Virtual86 mode Ratio to the first PC9801 :314.09 Execute time : 00.22 sec. | 80X86 CPU Speed TEST v0.980 Copyright 1992 ZOBplus Hayami DHRYSTONE 30000 LOOPS Execute memory area: 5000:0000 ->5000:1C28 CPU Type: i486DX Virtual86 mode Ratio to the first PC9801 :345.50 Execute time : 00.20 sec. |
Performance of 486-PC Ver1.77h(C)1992-1995 DysanKeihin
P5 Frequency = 149.17 MHz Machine:AT v1.77h | Performance of 486-PC Ver1.77h(C)1992-1995 DysanKeihin P5 Frequency = 170.61 MHz Machine:AT v1.77h CPUID Results = AuthenticAMD Fam 5 Mdl 3 Stp 4 Ecache Read Time = 11 ns/dword (....wait,364mb/s) Ecache Write Time = 40 ns/dword (....wait,100mb/s) Memory Read Time = 27 ns/dword (....wait,148mb/s) Memory Write Time = 45 ns/dword (....wait, 89mb/s) |
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![]() | WinTach v1.2: Performance Report System Information:
System Processor : 486 | WinTach v1.2: Performance Report System Information: System Processor : 486 Display Driver : GA-PG3Dx/PCI Display Type : Frame Buffer Display Resolution : 800 x 600 Display Colors : 32,767 Test Resolution : B16 (800x600) Cursor Stability : Good Benchmark results: RPM - Word Processing : 220.75 / B16 RPM - CAD / Draw : 769.68 / B16 RPM - Spreadsheet : 239.31 / B16 RPM - Paint : 473.25 / B16 RPM - Overall : 425.75 / B16 |
Performance of 486-PC Ver1.77h(C)1992-1995 DysanKeihin P5 Frequency = 170.61 MHz Machine:AT v1.77h CPUID Results = AuthenticAMD Fam 5 Mdl 3 Stp 4 Ecache Read Time = 11 ns/dword (....wait,364mb/s) Ecache Write Time = 40 ns/dword (....wait,100mb/s) Memory Read Time = 27 ns/dword (....wait,148mb/s) Memory Write Time = 45 ns/dword (....wait, 89mb/s) | Performance of 486-PC Ver1.77h(C)1992-1995 DysanKeihin
P5 Frequency = 170.40 MHz Machine:AT v1.77h |
Windsock の CPU値はなんなんですかねぇーーーーーー \{?。?`}/
![]() | WinTach v1.2: Performance Report System Information:
System Processor : 486
RPM - Word Processing : 306.65 / B24 |
Super π の結果
+000時間 00分 09秒 [ 1.6万桁] |
pfm686 ver1.1 DysanKeihin & (koji) CPU: P24T [AuthenticAMD Fam5 Mdl3 Stp4] This FPU is fixed version. 132.63[MHz] [ns/dword] [CPUclocks] E-cache read 12.827 1.701 E-cache write 33.236 4.408 main read 35.856 4.756 main write 55.540 7.366 |
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