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Web Browser Grand Prix: Firefox 15, Safari 6, OS X Mountain Lion

Test System Specs And Software Setup

Hardware Setup

Test System Specs
Operating System 1Microsoft Windows 7 Ultimate (64-bit)
Operating System 2Apple OS X Mountain Lion 10.8.1 (64-bit)
ProcessorIntel Core i5-2500K @ 3.3 GHz (quad-core)
MotherboardGigabyte GA-Z68XP-UD3 (F10 BIOS)
Memory8 GB Crucial DDR3 @ 1333 MT/s (2 x 4 GB)
GraphicsAsus GeForce GTX 560 Ti 1 GB GDDR5 (PCIe 2.0 x16)
StorageSeagate Barracuda 7200.12 500 GB SATA 3Gb/s, 7200 RPM, 16 MB Cache
OpticalAsus DRW-24B1ST/BLK/B/AS
Power SupplyCorsair TX750W (750 W max)
CaseZalman MS-1000 HS2
CPU CoolerScythe Mugen 2 Revision B
KeyboardLogitech Wireless Keyboard K320
MouseLogitech Wireless Trackball M570

Windows 7 Test Installation

OS X 10.8 Test Installation

The following table contains the system specs of the local Web server used for our Start and Page Load tests, as well as JSGameBench.

Local Web Server Specs
Operating SystemUbuntu 12.04 LTS Server Edition "Precise Pangolin" (32-bit)
ProcessorIntel Pentium 4 @ 2.41 GHz
MotherboardBiostar P4M80-M4
Memory768 MB DDR @ 333 MHz
GraphicsNvidia GeForce FX 5500 128 MB DDR (AGP)
StorageWestern Digital Caviar SE WD1600AAJD, 160 GB EIDE, 7200 RPM
Optical 1Hitachi-LG DVD GDR-8163B
Optical 2Hitachi-LG CD-RW GCE-8483B
Extra PackagesApache2, MySQL Client, MySQL Server, PHP5, PHP-GD, PHP5-MySQL, PHPMyAdmin, SSH, Node.js, NPM

The table below holds additional information on the test network.

Network Specs
ISP ServiceCox Preferred (18 Mb/s down, 2 Mb/s up)
ModemMotorola SURFboard SBS101U
RouterLinksys WRT54G2 V1
Image 1 of 2

Motorola SURFboard

Image 2 of 2

Linksys WRT54G2

Software Setup

Both test installations were freshly installed and fully updated as of midnight on August 25th, 2012. Power management and automatic updates were disabled before testing.

All the software we installed, including the exact version number of the browsers tested, is listed in the table below.

SoftwareVersion
Chrome21.0.1180.83
Firefox15.0
Internet Explorer9.0.8112.16421
Opera12.02 (build 1578)
Safari6.0 (8536.25)
Adobe Flash11.4.402.265
Microsoft Silverlight5.1.10411.0
Nvidia Driver (Windows-only)301.42
Oracle Java (Windows-only)7.0.70
Java for OS X (OS X-only)2012-004