Core i7 820Q vs Core i7 640M
Intel Core 1st-6th gen comparison


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

Core i5 6200U: 

	Processor: Intel Core i5-6200U @ 2.80GHz (2 Cores / 4 Threads), Motherboard: LENOVO 20FU001QGE (R08ET67W 1.41 BIOS), Chipset: Intel Xeon E3-1200 v5/E3-1500, Memory: 8GB, Disk: 256GB SAMSUNG MZ7LN256, Graphics: Intel HD 520 SKL GT2 7GB (1000MHz), Audio: Realtek ALC293, Network: Intel I219-V + Intel 8260

	OS: EndeavourOS rolling, Kernel: 6.3.4-arch1-1 (x86_64), Desktop: GNOME Shell 44.1, Display Server: X Server + Wayland, OpenGL: 4.6 Mesa 23.1.0, Compiler: GCC 13.1.1 20230429, File-System: ext4, Screen Resolution: 1920x1080

Core i5 4210M: 

	Processor: Intel Core i5-4210M @ 3.20GHz (2 Cores / 4 Threads), Motherboard: LENOVO 20BFS34A00 (GMET82WW 2.30 BIOS), Chipset: Intel Xeon E3-1200 v3/4th, Memory: 16GB, Disk: 250GB Crucial CT250MX2, Graphics: Intel HD 4600 HSW GT2 2GB (1150MHz), Audio: Intel Xeon E3-1200 v3/4th, Network: Intel I217-LM + Intel 7260

	OS: ManjaroLinux 22.1.2, Kernel: 6.3.3-1-MANJARO (x86_64), Desktop: GNOME Shell 43.5, Display Server: X Server + Wayland, OpenGL: 4.6 Mesa 23.0.3, Compiler: GCC 12.2.1 20230201 + Clang 15.0.7 + LLVM 15.0.7, File-System: ext4, Screen Resolution: 1920x1080

Xeon E3-1505M: 

	Processor: Intel Xeon E3-1505M v5 @ 3.70GHz (4 Cores / 8 Threads), Motherboard: Dell 08R8KJ (1.23.0 BIOS), Chipset: Intel Xeon E3-1200 v5/E3-1500, Memory: 32GB, Disk: SK hynix PC300 NVMe 512GB, Graphics: Intel HD P530 SKL GT2 31GB, Audio: Realtek ALC3266, Network: Intel 8260

	OS: Debian 12, Kernel: 6.1.0-10-amd64 (x86_64), Desktop: GNOME Shell 43.6, Display Server: X Server + Wayland, OpenGL: 4.6 Mesa 22.3.6, Compiler: GCC 12.2.0, File-System: ext4, Screen Resolution: 1920x1080

Xeon E3-1505M v5: 

	Processor: Intel Xeon E3-1505M v5 @ 3.70GHz (4 Cores / 8 Threads), Motherboard: Dell 08R8KJ (1.23.0 BIOS), Chipset: Intel Xeon E3-1200 v5/E3-1500, Memory: 32GB, Disk: SK hynix PC300 NVMe 512GB, Graphics: Intel HD P530 SKL GT2 31GB, Audio: Realtek ALC3266, Network: Intel 8260

	OS: Debian 12, Kernel: 6.1.0-10-amd64 (x86_64), Desktop: GNOME Shell 43.6, Display Server: X Server + Wayland, Compiler: GCC 12.2.0, File-System: ext4, Screen Resolution: 1920x1080


Sysbench 1.0.20
Test: CPU
Events Per Second > Higher Is Better
Core i7 820Q ..... 3306.57 |=======================
Core i7 640M ..... 2540.16 |==================
Core i5 6200U .... 3009.31 |=====================
Core i5 4210M .... 3228.12 |======================
Xeon E3-1505M v5 . 7399.12 |===================================================


Sysbench 1.0.20
Test: RAM / Memory
MiB/sec > Higher Is Better
Core i7 820Q ..... 11147.96 |=====================================
Core i7 640M ..... 11131.98 |=====================================
Core i5 6200U .... 10995.29 |====================================
Core i5 4210M .... 11930.12 |========================================
Xeon E3-1505M v5 . 15098.18 |==================================================


7-Zip Compression 22.01
Test: Compression Rating
MIPS > Higher Is Better
Core i7 820Q ..... 12782 |=========================
Core i7 640M ..... 9230  |==================
Core i5 6200U .... 11188 |======================
Core i5 4210M .... 12614 |========================
Xeon E3-1505M v5 . 27517 |=====================================================


7-Zip Compression 22.01
Test: Decompression Rating
MIPS > Higher Is Better
Core i7 820Q ..... 10928 |=============================
Core i7 640M ..... 8659  |=======================
Core i5 6200U .... 7970  |=====================
Core i5 4210M .... 9123  |========================
Xeon E3-1505M v5 . 20048 |=====================================================


PyBench 2018-02-16
Total For Average Test Times
Milliseconds < Lower Is Better
Core i7 820Q ..... 2700 |======================================================
Core i7 640M ..... 2000 |========================================
Core i5 6200U .... 1419 |============================
Core i5 4210M .... 1446 |=============================
Xeon E3-1505M v5 . 1002 |====================


Timed Apache Compilation 2.4.41
Time To Compile
Seconds < Lower Is Better
Core i7 820Q ..... 84.73  |===========================================
Core i7 640M ..... 98.49  |==================================================
Core i5 6200U .... 102.10 |====================================================
Core i5 4210M .... 88.70  |=============================================
Xeon E3-1505M v5 . 36.80  |===================


Timed MPlayer Compilation 1.5
Time To Compile
Seconds < Lower Is Better
Core i7 820Q ..... 262.87 |======================================
Core i7 640M ..... 358.75 |====================================================


Smallpt 1.0
Global Illumination Renderer; 128 Samples
Seconds < Lower Is Better
Core i7 820Q ..... 87.56  |==========================================
Core i7 640M ..... 108.21 |====================================================
Core i5 6200U .... 65.06  |===============================
Core i5 4210M .... 66.78  |================================
Xeon E3-1505M v5 . 27.95  |=============


FLAC Audio Encoding 1.4
WAV To FLAC
Seconds < Lower Is Better
Core i7 820Q ..... 53.78 |=====================================================
Core i7 640M ..... 47.43 |===============================================
Core i5 6200U .... 28.25 |============================
Core i5 4210M .... 30.26 |==============================
Xeon E3-1505M v5 . 21.05 |=====================


LAME MP3 Encoding 3.100
WAV To MP3
Seconds < Lower Is Better
Core i7 820Q ..... 64.37 |=====================================================
Core i7 640M ..... 50.66 |==========================================
Core i5 6200U .... 13.26 |===========
Core i5 4210M .... 11.83 |==========
Xeon E3-1505M v5 . 10.13 |========


Sample Pi Program

Seconds < Lower Is Better
Core i7 820Q ..... 18.659 |====================================================
Core i7 640M ..... 16.104 |=============================================
Core i5 6200U .... 10.931 |==============================
Core i5 4210M .... 9.863  |===========================
Xeon E3-1505M v5 . 8.073  |======================


Sudokut 0.4
Total Time
Seconds < Lower Is Better
Core i7 820Q ..... 27.38 |=====================================================
Core i7 640M ..... 23.29 |=============================================
Core i5 6200U .... 17.23 |=================================
Core i5 4210M .... 15.23 |=============================
Xeon E3-1505M v5 . 12.96 |=========================


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 |===========================================
Core i5 6200U .... 118.65 |=====================================
Core i5 4210M .... 93.56  |==============================
Xeon E3-1505M v5 . 84.49  |===========================