Core i7 820Q vs Core i7 640M

1st gen Core i7 CPU comparison

HTML result view exported from: https://openbenchmarking.org/result/2305263-NE-COREI7Q8226&sro&grr.

Core i7 820Q vs Core i7 640MProcessorMotherboardChipsetMemoryDiskGraphicsAudioNetworkOSKernelDesktopDisplay ServerCompilerFile-SystemScreen ResolutionCore i7 820QCore i7 640MIntel Core i7 820Q @ 1.73GHz (4 Cores / 8 Threads)Dell 041WH1 (A16 BIOS)Intel Core DMI8GBT-FORCE 256GBNVIDIA Quadro FX 1800M 1GBIDT 92HD81B1C5Intel 82577LM + Intel Centrino Ultimate-N 6300Fedora Linux 376.1.14-200.fc37.x86_64 (x86_64)GNOME Shell 43.3X ServerGCC 12.2.1 20221121ext41920x1080Intel Core i7 640M @ 2.80GHz (2 Cores / 4 Threads)Intel Core DRAM6.2.12-200.fc37.x86_64 (x86_64)GNOME Shell 43.4OpenBenchmarking.orgKernel Details- Transparent Huge Pages: madviseCompiler Details- --build=x86_64-redhat-linux --disable-libunwind-exceptions --enable-__cxa_atexit --enable-bootstrap --enable-cet --enable-checking=release --enable-gnu-indirect-function --enable-gnu-unique-object --enable-initfini-array --enable-languages=c,c++,fortran,objc,obj-c++,ada,go,d,lto --enable-libstdcxx-backtrace --enable-link-serialization=1 --enable-multilib --enable-offload-defaulted --enable-offload-targets=nvptx-none --enable-plugin --enable-shared --enable-threads=posix --mandir=/usr/share/man --with-arch_32=i686 --with-build-config=bootstrap-lto --with-gcc-major-version-only --with-linker-hash-style=gnu --with-tune=generic --without-cuda-driver Processor Details- Core i7 820Q: Scaling Governor: acpi-cpufreq performance (Boost: Enabled) - CPU Microcode: 0xa- Core i7 640M: Scaling Governor: acpi-cpufreq performance (Boost: Enabled) - CPU Microcode: 0x7Python Details- Core i7 820Q: Python 3.11.2- Core i7 640M: Python 3.11.3Security Details- SELinux + itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Vulnerable: Clear buffers attempted no microcode; SMT vulnerable + meltdown: Mitigation of PTI + mmio_stale_data: Unknown: No mitigations + retbleed: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Retpolines IBPB: conditional IBRS_FW STIBP: conditional RSB filling PBRSB-eIBRS: Not affected + srbds: Not affected + tsx_async_abort: Not affected

Core i7 820Q vs Core i7 640Mbuild-mplayer: Time To Compilecompress-rar: Linux Source Tree Archiving To RARsmallpt: Global Illumination Renderer; 128 Samplesbuild-apache: Time To Compilesysbench: CPUencode-flac: WAV To FLACcompress-7zip: Decompression Ratingcompress-7zip: Compression Ratingencode-mp3: WAV To MP3pybench: Total For Average Test Timessudokut: Total Timesample-program: sysbench: RAM / Memoryffmpeg: libx265 - LiveCore i7 820QCore i7 640M262.872164.60987.56484.7263306.5753.776109281278264.371270027.38218.65911147.96358.753137.056108.21098.4872540.1647.4328659923050.655200023.28516.10411131.98OpenBenchmarking.org

Timed MPlayer Compilation

Time To Compile

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed MPlayer Compilation 1.5Time To CompileCore i7 640MCore i7 820Q80160240320400SE +/- 1.35, N = 3SE +/- 0.09, N = 3358.75262.87

RAR Compression

Linux Source Tree Archiving To RAR

OpenBenchmarking.orgSeconds, Fewer Is BetterRAR Compression 6.0.2Linux Source Tree Archiving To RARCore i7 640MCore i7 820Q4080120160200SE +/- 1.33, N = 3SE +/- 1.60, N = 3137.06164.61

Smallpt

Global Illumination Renderer; 128 Samples

OpenBenchmarking.orgSeconds, Fewer Is BetterSmallpt 1.0Global Illumination Renderer; 128 SamplesCore i7 640MCore i7 820Q20406080100SE +/- 0.16, N = 3SE +/- 0.06, N = 3108.2187.561. (CXX) g++ options: -fopenmp -O3

Timed Apache Compilation

Time To Compile

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed Apache Compilation 2.4.41Time To CompileCore i7 640MCore i7 820Q20406080100SE +/- 0.06, N = 3SE +/- 0.02, N = 398.4984.73

Sysbench

Test: CPU

OpenBenchmarking.orgEvents Per Second, More Is BetterSysbench 1.0.20Test: CPUCore i7 640MCore i7 820Q7001400210028003500SE +/- 4.61, N = 3SE +/- 3.40, N = 32540.163306.571. (CC) gcc options: -O2 -funroll-loops -rdynamic -ldl -laio -lm

FLAC Audio Encoding

WAV To FLAC

OpenBenchmarking.orgSeconds, Fewer Is BetterFLAC Audio Encoding 1.4WAV To FLACCore i7 640MCore i7 820Q1224364860SE +/- 0.07, N = 5SE +/- 0.15, N = 547.4353.781. (CXX) g++ options: -O3 -fvisibility=hidden -logg -lm

7-Zip Compression

Test: Decompression Rating

OpenBenchmarking.orgMIPS, More Is Better7-Zip Compression 22.01Test: Decompression RatingCore i7 640MCore i7 820Q2K4K6K8K10KSE +/- 2.19, N = 3SE +/- 14.68, N = 38659109281. (CXX) g++ options: -lpthread -ldl -O2 -fPIC

7-Zip Compression

Test: Compression Rating

OpenBenchmarking.orgMIPS, More Is Better7-Zip Compression 22.01Test: Compression RatingCore i7 640MCore i7 820Q3K6K9K12K15KSE +/- 36.77, N = 3SE +/- 141.96, N = 39230127821. (CXX) g++ options: -lpthread -ldl -O2 -fPIC

LAME MP3 Encoding

WAV To MP3

OpenBenchmarking.orgSeconds, Fewer Is BetterLAME MP3 Encoding 3.100WAV To MP3Core i7 640MCore i7 820Q1428425670SE +/- 0.15, N = 3SE +/- 0.01, N = 350.6664.371. (CC) gcc options: -lncurses -lm

PyBench

Total For Average Test Times

OpenBenchmarking.orgMilliseconds, Fewer Is BetterPyBench 2018-02-16Total For Average Test TimesCore i7 640MCore i7 820Q6001200180024003000SE +/- 1.86, N = 3SE +/- 9.87, N = 320002700

Sudokut

Total Time

OpenBenchmarking.orgSeconds, Fewer Is BetterSudokut 0.4Total TimeCore i7 640MCore i7 820Q612182430SE +/- 0.02, N = 3SE +/- 0.00, N = 323.2927.38

Sample Pi Program

OpenBenchmarking.orgSeconds, Fewer Is BetterSample Pi ProgramCore i7 640MCore i7 820Q510152025SE +/- 0.06, N = 3SE +/- 0.02, N = 316.1018.66

Sysbench

Test: RAM / Memory

OpenBenchmarking.orgMiB/sec, More Is BetterSysbench 1.0.20Test: RAM / MemoryCore i7 640MCore i7 820Q2K4K6K8K10KSE +/- 20.63, N = 3SE +/- 7.52, N = 311131.9811147.961. (CC) gcc options: -O2 -funroll-loops -rdynamic -ldl -laio -lm

Phoronix Test Suite v10.8.4