Core i7 820Q vs Core i7 640M
Oldschool machines testing


Core i7 820Q: 

	Processor: Intel Core i7 820Q @ 1.73GHz (4 Cores / 8 Threads), Motherboard: Dell 041WH1 (A16 BIOS), Chipset: Intel Core DMI, Memory: 8GB, Disk: T-FORCE 256GB, Graphics: NVIDIA Quadro FX 1800M 1GB, Audio: IDT 92HD81B1C5, Network: Intel 82577LM + Intel Centrino Ultimate-N 6300

	OS: Fedora Linux 37, Kernel: 6.1.14-200.fc37.x86_64 (x86_64), Desktop: GNOME Shell 43.3, Display Server: X Server, Compiler: GCC 12.2.1 20221121, File-System: ext4, Screen Resolution: 1920x1080

Core i7 640M: 

	Processor: Intel Core i7 640M @ 2.80GHz (2 Cores / 4 Threads), Motherboard: Dell 041WH1 (A16 BIOS), Chipset: Intel Core DRAM, Memory: 8GB, Disk: T-FORCE 256GB, Graphics: NVIDIA Quadro FX 1800M 1GB, Audio: IDT 92HD81B1C5, Network: Intel 82577LM + Intel Centrino Ultimate-N 6300

	OS: Fedora Linux 37, Kernel: 6.2.12-200.fc37.x86_64 (x86_64), Desktop: GNOME Shell 43.4, Display Server: X Server, Compiler: GCC 12.2.1 20221121, File-System: ext4, Screen Resolution: 1920x1080

Pentium M 1.7: 

	Processor: Intel Pentium M 1700MHz @ 1.70GHz (1 Core), Motherboard: IBM 2373GGU (1RETDOWW 3.20 BIOS), Chipset: Intel 82855PM I/O + ICH4-M, Memory: 2048MB, Disk: 128GB Timetec 35TTM8SS, Graphics: ATI RV350 128MB, Audio: Intel 82801DB/DBL/DBM, Network: Intel 82540EP + Intel PRO/Wireless

	OS: Debian 11, Kernel: 5.10.0-21-686 (i686), Display Server: X Server 1.20.11, Vulkan: 1.0.2, Compiler: GCC 10.2.1 20210110, File-System: ext4, Screen Resolution: 1400x1050

Core2Duo T7200: 

	Processor: Intel Core 2 T7200 @ 1.00GHz (2 Cores), Motherboard: LENOVO 8744J2F (7IET38WW 1.19 BIOS), Chipset: Intel Mobile 945GM/PM/GMS + ICH7-M, Memory: 3072MB, Disk: T-FORCE 256GB, Graphics: ATI RV530 256MB, Audio: Analog Devices AD1981, Network: Intel 82573L + Intel PRO/Wireless

	OS: Debian 12, Kernel: 6.1.0-12-amd64 (x86_64), Desktop: GNOME Shell 43.6, Display Server: X Server 1.21.1.7, Compiler: GCC 12.2.0, File-System: ext4, Screen Resolution: 1680x1050


7-Zip Compression 22.01
Test: Compression Rating
MIPS > Higher Is Better
Core i7 820Q ... 12782 |=======================================================
Core i7 640M ... 9230  |========================================
Pentium M 1.7 .. 1472  |======
Core2Duo T7200 . 2461  |===========


7-Zip Compression 22.01
Test: Decompression Rating
MIPS > Higher Is Better
Core i7 820Q ... 10928 |=======================================================
Core i7 640M ... 8659  |============================================
Pentium M 1.7 .. 1450  |=======
Core2Duo T7200 . 2074  |==========


FLAC Audio Encoding 1.4
WAV To FLAC
Seconds < Lower Is Better
Core i7 820Q ... 53.78  |===========
Core i7 640M ... 47.43  |==========
Pentium M 1.7 .. 264.98 |======================================================
Core2Duo T7200 . 229.61 |===============================================


LAME MP3 Encoding 3.100
WAV To MP3
Seconds < Lower Is Better
Core i7 820Q ... 64.37 |=======================================================
Core i7 640M ... 50.66 |===========================================
Pentium M 1.7 .. 50.54 |===========================================
Core2Duo T7200 . 57.57 |=================================================


PyBench 2018-02-16
Total For Average Test Times
Milliseconds < Lower Is Better
Core i7 820Q ... 2700 |=========================
Core i7 640M ... 2000 |==================
Pentium M 1.7 .. 5946 |=======================================================
Core2Duo T7200 . 6068 |========================================================


RAR Compression 6.0.2
Linux Source Tree Archiving To RAR
Seconds < Lower Is Better
Core i7 820Q ... 164.61 |==================
Core i7 640M ... 137.06 |===============
Core2Duo T7200 . 488.54 |======================================================


Sample Pi Program

Seconds < Lower Is Better
Core i7 820Q ... 18.66  |==========
Core i7 640M ... 16.10  |=========
Pentium M 1.7 .. 100.54 |======================================================
Core2Duo T7200 . 63.95  |==================================


Smallpt 1.0
Global Illumination Renderer; 128 Samples
Seconds < Lower Is Better
Core i7 820Q ... 87.56   |=====
Core i7 640M ... 108.21  |======
Pentium M 1.7 .. 1029.41 |=====================================================
Core2Duo T7200 . 618.46  |================================


Sudokut 0.4
Total Time
Seconds < Lower Is Better
Core i7 820Q ... 27.38 |====================
Core i7 640M ... 23.29 |=================
Pentium M 1.7 .. 63.19 |==============================================
Core2Duo T7200 . 76.33 |=======================================================


Sysbench 1.0.20
Test: RAM / Memory
MiB/sec > Higher Is Better
Core i7 820Q ... 11147.96 |====================================================
Core i7 640M ... 11131.98 |====================================================
Pentium M 1.7 .. 192.20   |=
Core2Duo T7200 . 219.86   |=


Sysbench 1.0.20
Test: CPU
Events Per Second > Higher Is Better
Core i7 820Q ... 3306.57 |=====================================================
Core i7 640M ... 2540.16 |=========================================
Pentium M 1.7 .. 276.16  |====
Core2Duo T7200 . 417.72  |=======


Timed Apache Compilation 2.4.41
Time To Compile
Seconds < Lower Is Better
Core i7 820Q ... 84.73  |===========
Core i7 640M ... 98.49  |=============
Pentium M 1.7 .. 406.70 |======================================================
Core2Duo T7200 . 300.53 |========================================


Timed MPlayer Compilation 1.5
Time To Compile
Seconds < Lower Is Better
Core i7 820Q ... 262.87  |========
Core i7 640M ... 358.75  |===========
Pentium M 1.7 .. 1731.01 |=====================================================
Core2Duo T7200 . 1277.03 |=======================================