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Intel Core i5-1035G1 benchmarks and tests, vs i5-10210U, i5-8265U and Ryzen 5 3500U

By Andrei Girbea - @ andreigirbea , last updated on January 10, 2020

In this article, we’re taking a look at the Intel Core i5-1035G1 processor, the mid-range CPU in Intel’s IceLake platform designed to power most mid to high-tier ultrabooks throughout 2020.

IceLake is Intel’s first 10 nm low-voltage platform for thin-and-light multipurpose notebooks.

However, Ice Lake processors are available side-by-side with 14nm Comet Lake processors, and both are called 10th gen platforms, that’s why choosing the right option for your needs and budget can get confusing.

We’ll explain the differences between the Core i5-1035G1 (Ice Lake) and Core i5-10210U (Comet Lake) below, as well as how these two 10th gen processors fair against previous platforms, namely the Whiskey Lake Core i5-8265U and the AMD Ryzen 5 3500U. We’ll also touch on all the Core i7 options in a separate article.

Before we get to talk about the performance and particularities, let’s go through this summarized specs sheet.

Core i5-1035G1 (Ark)
Core i5-10210U (Ark)
Core i5-8265U (Ark)
Ryzen 5 3500U (Ark)
Build process10 nm14+++ nm14++ nm12 nm
GenerationIce LakeComet LakeWhiskey LakePicasso
Standard TDP15 W15 W15 W15 W
Configurable TDP13-25 W10-25 W10-25 W12-35 W
Cores/Threads4/84/84/84/8
CPU Base Frequency1.0 GHz1.6 GHz1.6 GHz2.1 GHz
CPU Max Turbo 1 Core3.6 GHz4.2 GHz3.9 GHz3.7 GHz
CPU Max Turbo 2 Cores3.6 GHz4.2 GHz3.9 GHz3.7 GHz
CPU Max Turbo 4 Core3.3 GHz3.9 GHz3.7 GHz3.7 GHz
Cache6 MB6 MB6 MB4 MB
Max Memory
64 GB64 GB32 GB32 GB
Memory Type
DDR4 3200 MHz,
LPDDR4X 3733 MHz
DDR4 2666 MHz,
LPDDR3 2133 MHz
DDR4 2400 MHz,
LPDDR3 2133 MHz
DDR4 2400 MHz
GraphicsIntel UHD G1, 32 EUIntel UHD, 24 EUIntel UHD 620, 24 EURadeon Vega 8
Graphics Speed300 – 1050 MHz300 – 1100 MHz300 – 1100 MHz300 – 1200 MHz
PCIe lanes32161612

There are a few main things you should take out of these specs lists:

  • Compared to the 14 nm Intel processors, the Ice Lake Core i5-1035G1 is clocked lower and boosts to a lower Max Turbo frequency. That will translate in a slight performance loss in CPU demanding loads.
  • Ice Lake improves memory support, with the ability to use faster DDR4 RAM and especially the highly efficient LPDDR4X chips. This mostly compensates for the previous point.
  • The Ice Lake i5 gets faster Gen 11 graphics, with 33% extra Execution Units in this G1 iteration, as well as various improvements over the Gen 9 graphics on the Comet/Whiskey Lake CPUs.
  • There’s more than meets the eye about the IceLake platform, including baked-in support for Thunderbolt 3 and wireless AX, so if you’re interested in a detailed analysis of the IceLake platform and Project Athena, this one on Anandtech is an excellent read.
  • The comparison to the Ryzen chips is a bit more difficult based on just specs, due to the differences in hardware design. We’ll let the benchmarks results speak for those.

Before we proceed it’s important to understand that manufacturers are able to tweak the power allowances for each notebook. With the i5-1035G1, the PL1 limit can vary between 13 and 25 W, and higher power implementations will be able to run at higher frequencies, thus perform better in demanding CPU loads.

However, most 13/14 inch ultrabooks will get the standard 15W i5-1035G1, and that’s what we’ve used in our tests as well. The results in this article are based on the 14-inch Acer Aspire Swift 3 SF314-57, configured with the Core i5-1035G1 processor, 8 GB of LPDDR4 memory and 512 GB PCIe x2 SSD storage, a mid-range ultraportable with standard hardware/thermal designs. I expect higher tier implementations to score slightly better in some tests, while the 25W variants that will make their way inside some of the 15-inch notebooks will score even higher.

Here are a handful of CPU benchmarks results:

CPU Benchmarksi5-1035G1i5-1035G1 UVi5-10210Ui5-8265URyzen 5 3500U
Cinebench R15 CPU541 cb618 cb678 cb583 cb539 cb
Cinebench R15 CPU – Single Core166 cb170 cb172 cb151 cb127 cb
Cinebench R20 CPU1210 cb1320 cb1257 cb1309 cb
Geekbench 4 – Multi Core1561516270151991231811065
Geekbench 4 – Single Core51785092489242643592
Geekbench 5 – Multi Core3485381031172888
Passmark – CPU test102871059882408200
x264 HD Benchmark 4.0 – Pass 229.82 fps31.28 fps33.41 fps31.9 fps39.2 fps
x264 HD Benchmark 4.0 – Pass 1142.39 fps149.78 fps149.1 fps150.1 fps134.8 fps
x265 HD Benchmark 109.26 fps96.88 fps– fps– fps95.85
3DMark – FireStrike Physics83158723848590268236
3DMark 11 – Physics62386884678964236360
  • i5-1035G1 results based on Acer Swift 3 SF314-57 with 8 GB of LPDDR4X-3733 RAM, 512 GB PCIe X2 SSD;
  • i5-1035G1 UV results based on same unit, but with the CPU undervolted at -100 mV (explained here);
  • i5-10210U results based on Shenker Slim 15 with 16 GB of DDR4-2666 RAM, 500 GB PCIe X2 SSD;
  • i5-8265U results based on Lenovo ThinkBook 13s with 8 GB of DDR4-2666 RAM, 256 GB PCIe X2 SSD;
  • Ryzen 5 3500U results based on Lenovo IdeaPad S540 with 8 GB of DDR4-2400 RAM, 512 GB PCIe X4 SSD;

Overall the i5-1035G1 fares well against the other options. It looses to the higher clocked Comet Lake i5-10210U in some of the tests, but comes on top in others due to the faster memory.

Like with most modern processors, the performance drops with longer loads, as you can see from the Cinebench loop test illustrated below. The CPU kicks in hard for the first runs, and then settles at lower frequencies once the heat builds up. This test also shows that undervolting helps a fair bit with this sort of demanding loads.

As for the GPU results, here’s what we got:

GPU Benchmarksi5-1035G1i5-10210Ui5-8265URyzen 5 3500UNvidia MX250
3DMark 11 Graphics2546150039424446
3DMark – Time Spy Graphics4663597661090
3DMark – Fire Strike Graphics17481280108222283623
Passmark – 3D Graphics Mark1674106617672822
Uniengine Superposition – 1080p Medium29882165

I’ve also thrown in Nvidia MX250 results, for comparison. While we don’t have the results to fill in all the blanks, it’s obvious that the UHD G1 iGPU is faster than the older UHD 620 iGPU in the Comet and Whiskey Lake i5s. At the same time, though, it trails the Radeon Vega 8 in the AMD APUs and the builds with dedicated MX250 graphics. That’s why you should not expect to comfortably game on a basic Core i5-1035G1 configuration (our detailed review of the Acer Swift 14 SF314-57 further looks into gaming performance in several titles).

However, it’s important to mention that Intel also offers beefed-up SKUs of the IceLake Core i5s, the Core i5-1035G4 (48 EUs) and Core i5-1035G7 (64 EUs), which will perform better in GPU loads and games. However, based on what I’m seeing right now, I don’t expect much love for these processors. You can find them in devices like the Lenogo Yoga 740 or the Surface Laptop 3 13, but most OEMs opt to implement the Core i7-1065G7 processor with faster clocks, more cache and the 64 EU UHD graphics as the higher-tier option, while keeping the i5-1035G1 as the mid-level configuration.

This pretty much wraps-up our initial overview of the Intel Core i5-1035G1 processor. In few words, this CPU offers a slightly more balanced platform for mid-level ultrabooks than the previous Intel Whiskey and Comet Lake hardware platforms, with good CPU performance for daily multitasking and casual use, as well as improved GPU performance for older or simpler games. It’s not a ground-breaking update, but it’s a fine mid-ranger for the average user.

However, those interested in improved multitasking and high-load performance should rather look at the available Comet Lake six-core Core i7-10710U builds, while those interested in fair gaming performance on an ultrabook should opt for the higher-tier i7-1065G7 options, or better yet some of the MX250 powered variants out there. Finally, AMD Ryzen 5/7 and next-gen Renoir-based Athlon platforms are definitely not something you should look past, especially if you’re shopping in a lower budget.

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Andrei Girbea, Editor-in-Chief of Ultrabookreview.com. I've been covering mobile computers since the 2000s and you'll mostly find reviews and thorough guides written by me here on the site.

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