Hey there,
I was wondering how much performance difference there is in 2021 between these 2 windows, so in this post i will post some benchmarks that i did on them.
System specs
Both Operating system were updated to latest i was allowed ( windows 7 is failing to install some updates ), below are screenshots of winver for both OS.
Overall Windows 10 lost from windows 7 in 13 out of 18 benchmarks benchmarks by overall average of -2.9% which is well above margin of error. So windows 7 still performed better than 10 with both OS updated to max allowed. In PUBG windows 7 won by less than 2 frames margin though as you can see from 1% and 0.1% low figure of both its clear that windows 7's one was more choppy and it was noticeable, it was happening when gpu usage reached 98%+ then that frame dip then back to smooth while in windows 10 the gpu never went above 96%. Regardless of that, it looks like in avg fps windows 7 was better in gaming than 10. Also, those who do competitive overclocking should take a look at the firestrike scores, the difference between getting more than "High end Gaming PC" was of changing from windows 10 to 7 so this could be the difference between setting world record and being runner up.
I was wondering how much performance difference there is in 2021 between these 2 windows, so in this post i will post some benchmarks that i did on them.
System specs
| CPU | i7-8700k @4.8/5.2Ghz 4.6Ghz IMC |
| GPU | Gigabyte GTX Geforce 1080ti, +20% power, +100Mhz core, +500Mhz Mem Driver version 461.72 for Windows 7, 461.40 for Windows 10 |
| RAM | Gskill 4x8GB 3600Mhz CL16 |
| Motherboard | MSI - Z370 SLI Plus (with A.A0 BIOS) |
| OS Drive | Windows 10 on Intell 660p 1TB m.2 NVME SSD Windows 7 on 240GB LiteOn SATA SSD |
Both Operating system were updated to latest i was allowed ( windows 7 is failing to install some updates ), below are screenshots of winver for both OS.
VS
Benchmarks
Each benchmark specified below were run at same settings in both OS. The best out of 5 runs was selected as the score for that benchmark for that OS.
| Benchmark | Windows 7 | Windows 10 | Performance difference (in favor of windows 10) |
| Winrar 6.00 Multithread | 21190 KBps | 19890 KBps | -1300 ( -6.54% ) |
| Winrar 6.00 Single thread | 2680 KBps | 2491 KBps | -189 ( -7.59% ) |
| Cinebench R11.5 Multihtread | 16.55 pts | 16.69 pts | +0.14 ( +0.85% ) |
| Cinebench R15 Multihtread | 1539 pts | 1564 pts | +25 ( +1.62% ) |
| Cinebench R20 Multihtread | 3833 pts | 3817 pts | -16 ( -0.42% ) |
| CPUZ (benchmark v17.01.64) Multithread | 4323.8 pts | 4196.9 pts | -126.9 ( -3.02% ) |
| CPUZ (benchmark v17.01.64) Single thread | 608.7 pts | 573.7 pts | -35 ( -6.10% ) |
| GTA 5 (Pass 4) ( @ultrawide 4k, max everything in general graphics except motion blur off, DoF 0, Shadow sharp, any AA off. All off in advanced graphics) | 80.73 FPS | 75.12 FPS | -5.61 ( -7.47% ) |
| Tomb raider (@ ultrawide 1080p, max everything except motion blur and AA off) | 221.9 FPS | 215.9 FPS | -6 ( -2.78% ) |
| Shadow of the tomb raider (@ ultrawide 1080p, DX11, Max everything except motion blur off, AA off) | 103 FPS | 97 FPS | -6 ( -6.19% ) |
| Red dead redemption 2 (@ ultrawide 1080p, Vulcan, Max everything except motion blur off, any AA off) | 48.9528 FPS | 50.654 FPS | +1.7012 ( +3.48% ) |
| 3Dmark Fire Strike | 24227 pts | 23656 pts | -571 ( -2.41% ) |
| Geekbench 3 Single thread | 5361 pts | 5349 pts | -12 ( -0.22% ) |
| Geekbench 3 Multi thread | 28379 pts | 28606 pts | +227 ( +0.80% ) |
| 7-Zip v19 Compression | 54618 MIPS | 54724 MIPS | +106 ( +0.20% ) |
| 7-Zip v19 Decompression | 63115 MIPS | 62664 MIPS | -451 ( -0.72% ) |
| CS GO (@ultrawide 1080p, max everything, FXAA off, motion blur off, 8xMSAA, multcore rendering on, streaming texture off) | 526.66 | 459.72 | -66.94 ( -14.56% ) |
| PUBG (@ultrawide 1080p, ultra settings, motion blur off, 120 scaling. 2 rounds of training map on scooter, ran 1 time only ) | avg 150.9 FPS 1% low 20.9 FPS 0.1% low 13.8 FPS | avg 149.3 FPS 1% low 55.9 FPS 0.1% low 44.3 FPS | -1.6 ( -1.07% ) |
Overall | -2.9% |
Overall Windows 10 lost from windows 7 in 13 out of 18 benchmarks benchmarks by overall average of -2.9% which is well above margin of error. So windows 7 still performed better than 10 with both OS updated to max allowed. In PUBG windows 7 won by less than 2 frames margin though as you can see from 1% and 0.1% low figure of both its clear that windows 7's one was more choppy and it was noticeable, it was happening when gpu usage reached 98%+ then that frame dip then back to smooth while in windows 10 the gpu never went above 96%. Regardless of that, it looks like in avg fps windows 7 was better in gaming than 10. Also, those who do competitive overclocking should take a look at the firestrike scores, the difference between getting more than "High end Gaming PC" was of changing from windows 10 to 7 so this could be the difference between setting world record and being runner up.
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. I ran above tests just because Iam using both windows now ( if 1 fails to run some software/hardware or game then i will right away boot to another one ) to get best of both world.