Intel Core i3-1005G1 vs Core i3-8145U – the Ice Lake one wins thanks to its GPU

It is time for Ice Lake vs Whiskey Lake and this time the smaller CPUs will fight for the heart and wallet of the budget buyer – Core i3-1005G1 and Core i3-8145U will show to us which one is better and why.

Quick Specs

Of course, we have two Core i3’s here so most of the specs will be close, but not all. Bulk prices of both CPUs are equal – $281.00 USD.

Let’s start with the similarities – 2-core / 4-thread CPUs with 4MB cache, and 64GB max memory size. The Ice Lake CPU has lower base and boost frequencies than i3-8145U (1.20 – 3.40 GHz vs 2.10 – 3.90 GHz). Also, the i3-1005G1 has better memory support with DDR4-3200, LPDDR4-3733 compared to DDR4-2400, LPDDR3-2133 for Core i3-8145U.

The newer CPU (i3-1005G1) has a bit higher TDP down value with 3W more – 13W to 10W, but nothing serious here.

Last, but not least, the i3-1005G1 is rocking the new Intel UHD Graphics G1 while i3-8145U is bundled with the well known Intel UHD 620.

Detailed specs here – Intel Core i3-1005G1 / Intel Core i3-8145U.

Оur comparison table is down below.

Intel Core i3-1005G1Intel Core i3-8145U
Cores / Threads2 / 42 / 4
Base / Max frequency1.20 – 3.40 GHz2.10 – 3.90 GHz
Cache4MB Intel Smart Cache4MB Intel Smart Cache
TDP / up / down15W / – / 13W15W / 25W / 10W
Memory supportDDR4-3200, LPDDR4-3733DDR4-2400, LPDDR3-2133

CPU Benchmarks

The i3-8145U is just 5% faster than Core i3-1005G1, an inconspicuous difference.

Results are from the Cinebench 20 CPU test (the higher the score, the better)

Results are from our Photoshop benchmark test (the lower the score, the better)


GPU Benchmarks

Intel UHD Graphics G1 shows its muscles with a 61% better score compared to Intel UHD 620. That’s a kind of difference that everyone will spot.

Results are from the 3DMark: Time Spy (Graphics) benchmark (higher the score, the better)

Results are from the 3DMark: Fire Strike (Graphics) benchmark (higher the score, the better)

Results are from the Unigine Superposition benchmark (higher the score, the better)


Gaming tests

In our real-life benchmarks, the Intel UHD G1 is crushing Intel UHD 620 again with a noticeable margin.

cs-go-benchmarks

CS:GOHD 1080p, Low (Check settings)HD 1080p, Medium (Check settings)HD 1080p, MAX (Check settings)
Intel UHD Graphics G151 fps34 fps20 fps
Intel UHD 62029 fps– fps– fps

DOTA 2HD 1080p, Low (Check settings)HD 1080p, Normal (Check settings)HD 1080p, High (Check settings)
Intel UHD Graphics G161 fps37 fps22 fps
Intel UHD 62047 fps26 fps– fps

Everything is clear

Yes, no need for hesitation here because the Core i3-1005G1 is the better one. The bulk prices of the tested CPUs are the same, the processor performance results are almost equal (ok, i3-8145U is 5% faster but no one will spot the difference), but the i3-1005G1s’ GPU is so much better – when you want to play some casual games they will run smoothly on Intel UHD Graphics G1 while the same games will struggle with Intel UHD 620. TDP values are almost neck and neck.

When the CPU performance is equivalent just get the processor with the better GPU – in our case, this is the Core i3-1005G1.

All laptops with Core i3-1005G1:


All laptops with Core i3-8145U:

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