Firefox 77 vs. Chrome 83 Benchmarks
Intel Core i9-10900K browser tests for a future article.


Firefox 76.0.1: 

	Processor: Intel Core i9-10900K @ 5.30GHz (10 Cores / 20 Threads), Motherboard: Gigabyte Z490 AORUS MASTER (F3 BIOS), Chipset: Intel Device 06ef, Memory: 16GB, Disk: Samsung SSD 970 EVO 250GB, Graphics: AMD Radeon RX 5600 OEM/5600 XT / 5700/5700 8GB (2060/875MHz), Audio: Realtek ALC1220, Monitor: DELL P2415Q, Network: Intel Device 15f3 + Intel Device 06f0

	OS: Clear Linux OS 33260, Kernel: 5.6.15-957.native (x86_64), Desktop: GNOME Shell 3.36.2, Display Server: X Server 1.20.7, Display Driver: amdgpu 19.1.0, OpenGL: 4.6 Mesa 20.1.0-devel (LLVM 10.0.0), Vulkan: 1.2.128, Compiler: GCC 10.1.1 20200529 releases/gcc-10.1.0-100-g49824d35e0 + Clang 10.0.0 + LLVM 10.0.0, File-System: ext4, Screen Resolution: 3840x2160

Firefox 77.0: 

	Processor: Intel Core i9-10900K @ 5.30GHz (10 Cores / 20 Threads), Motherboard: Gigabyte Z490 AORUS MASTER (F3 BIOS), Chipset: Intel Device 06ef, Memory: 16GB, Disk: Samsung SSD 970 EVO 250GB, Graphics: AMD Radeon RX 5600 OEM/5600 XT / 5700/5700 8GB (2060/875MHz), Audio: Realtek ALC1220, Monitor: DELL P2415Q, Network: Intel Device 15f3 + Intel Device 06f0

	OS: Clear Linux OS 33260, Kernel: 5.6.15-957.native (x86_64), Desktop: GNOME Shell 3.36.2, Display Server: X Server 1.20.7, Display Driver: amdgpu 19.1.0, OpenGL: 4.6 Mesa 20.1.0-devel (LLVM 10.0.0), Vulkan: 1.2.128, Compiler: GCC 10.1.1 20200529 releases/gcc-10.1.0-100-g49824d35e0 + Clang 10.0.0 + LLVM 10.0.0, File-System: ext4, Screen Resolution: 3840x2160

Firefox 78.0b1: 

	Processor: Intel Core i9-10900K @ 5.30GHz (10 Cores / 20 Threads), Motherboard: Gigabyte Z490 AORUS MASTER (F3 BIOS), Chipset: Intel Device 06ef, Memory: 16GB, Disk: Samsung SSD 970 EVO 250GB, Graphics: AMD Radeon RX 5600 OEM/5600 XT / 5700/5700 8GB (2060/875MHz), Audio: Realtek ALC1220, Monitor: DELL P2415Q, Network: Intel Device 15f3 + Intel Device 06f0

	OS: Clear Linux OS 33260, Kernel: 5.6.15-957.native (x86_64), Desktop: GNOME Shell 3.36.2, Display Server: X Server 1.20.7, Display Driver: amdgpu 19.1.0, OpenGL: 4.6 Mesa 20.1.0-devel (LLVM 10.0.0), Vulkan: 1.2.128, Compiler: GCC 10.1.1 20200529 releases/gcc-10.1.0-100-g49824d35e0 + Clang 10.0.0 + LLVM 10.0.0, File-System: ext4, Screen Resolution: 3840x2160

Chrome 83: 

	Processor: Intel Core i9-10900K @ 5.30GHz (10 Cores / 20 Threads), Motherboard: Gigabyte Z490 AORUS MASTER (F3 BIOS), Chipset: Intel Device 06ef, Memory: 16GB, Disk: Samsung SSD 970 EVO 250GB, Graphics: AMD Radeon RX 5600 OEM/5600 XT / 5700/5700 8GB (2060/875MHz), Audio: Realtek ALC1220, Monitor: DELL P2415Q, Network: Intel Device 15f3 + Intel Device 06f0

	OS: Clear Linux OS 33260, Kernel: 5.6.15-957.native (x86_64), Desktop: GNOME Shell 3.36.2, Display Server: X Server 1.20.7, Display Driver: amdgpu 19.1.0, OpenGL: 4.6 Mesa 20.1.0-devel (LLVM 10.0.0), Vulkan: 1.2.128, Compiler: GCC 10.1.1 20200529 releases/gcc-10.1.0-100-g49824d35e0 + Clang 10.0.0 + LLVM 10.0.0, File-System: ext4, Screen Resolution: 3840x2160


Selenium
Benchmark: Octane
Geometric Mean > Higher Is Better
Firefox 76.0.1 . 41338 |=========================================
Firefox 77.0 ... 43592 |===========================================
Firefox 78.0b1 . 42151 |==========================================
Chrome 83 ...... 55530 |=======================================================


Selenium
Benchmark: Basemark
Overall Score > Higher Is Better
Firefox 76.0.1 . 918.48  |===================================
Firefox 77.0 ... 891.51  |==================================
Firefox 78.0b1 . 867.63  |=================================
Chrome 83 ...... 1390.61 |=====================================================


Selenium
Benchmark: StyleBench
Runs / Minute > Higher Is Better
Firefox 76.0.1 . 128.7 |======================================================
Firefox 77.0 ... 130.0 |=======================================================
Firefox 78.0b1 . 127.6 |======================================================
Chrome 83 ...... 41.6  |==================


Selenium
Benchmark: Speedometer
Runs Per Minute > Higher Is Better
Firefox 76.0.1 . 129.0 |=================================================
Firefox 77.0 ... 128.0 |=================================================
Firefox 78.0b1 . 124.9 |================================================
Chrome 83 ...... 143.9 |=======================================================


Selenium
Benchmark: WebXPRT
Score > Higher Is Better
Firefox 76.0.1 . 316 |=========================================================
Firefox 77.0 ... 313 |========================================================
Firefox 78.0b1 . 308 |========================================================
Chrome 83 ...... 298 |======================================================


Selenium
Benchmark: Jetstream
Score > Higher Is Better
Firefox 76.0.1 . 262.47 |====================================================
Firefox 77.0 ... 268.50 |======================================================
Firefox 78.0b1 . 265.56 |=====================================================
Chrome 83 ...... 270.36 |======================================================


Selenium
Benchmark: Jetstream 2
Score > Higher Is Better
Firefox 76.0.1 . 116.50 |======================================
Firefox 77.0 ... 122.85 |========================================
Firefox 78.0b1 . 120.75 |=======================================
Chrome 83 ...... 165.82 |======================================================


Selenium
Benchmark: CanvasMark
Score > Higher Is Better
Firefox 76.0.1 . 16155 |=======================================================
Firefox 77.0 ... 15911 |======================================================
Firefox 78.0b1 . 15301 |====================================================
Chrome 83 ...... 5048  |=================


Selenium
Benchmark: ARES-6
ms < Lower Is Better
Firefox 76.0.1 . 33.69 |=======================================================
Firefox 77.0 ... 31.87 |====================================================
Firefox 78.0b1 . 33.86 |=======================================================
Chrome 83 ...... 17.07 |============================


Selenium
Benchmark: Kraken
ms < Lower Is Better
Firefox 76.0.1 . 679.9 |=====================================================
Firefox 77.0 ... 681.9 |=====================================================
Firefox 78.0b1 . 687.8 |=====================================================
Chrome 83 ...... 709.0 |=======================================================


Selenium
Benchmark: WASM imageConvolute
ms < Lower Is Better
Firefox 76.0.1 . 27.30 |=========================================
Firefox 77.0 ... 27.30 |=========================================
Firefox 78.0b1 . 27.40 |=========================================
Chrome 83 ...... 36.48 |=======================================================


Selenium
Benchmark: WASM collisionDetection
ms < Lower Is Better
Firefox 76.0.1 . 414.30 |======================================================
Firefox 77.0 ... 416.20 |======================================================
Firefox 78.0b1 . 411.50 |=====================================================
Chrome 83 ...... 342.21 |============================================


Selenium
Benchmark: PSPDFKit WASM
Score < Lower Is Better
Firefox 76.0.1 . 1093 |============================================
Firefox 77.0 ... 1094 |============================================
Firefox 78.0b1 . 1101 |============================================
Chrome 83 ...... 1386 |========================================================


Selenium
Benchmark: Maze Solver
Seconds < Lower Is Better
Firefox 76.0.1 . 4.0 |=========================================================
Firefox 77.0 ... 4.0 |=========================================================
Firefox 78.0b1 . 4.0 |=========================================================
Chrome 83 ...... 3.7 |=====================================================