Intel Core i7-9850H vs Intel Core i7-8557U

Intel Core i7-9850H

► remove Intel 9850H

The Intel Core i7-9850H is a high-end processor for laptops with six cores based on the Coffee Lake architecture (2019 refresh, CFL-HR). The processor clocks at between 2.6 and 4.6 GHz (4 GHz with 6 cores) and can execute up to twelve threads simultaneously thanks to Hyper-Threading. According to Intel, the CPU is manufactured in an improved 14nm (14nm++) process. Compared to the predecessor, the Core i7-8850H, the 9850H offers only improved clock rates.

The Coffee Lake architecture is similar to Kaby Lake and differs only in the amount of cores (now six cores for the high end versions) and the improved 14nm process (14nm++ according to Intel).

Performance

Due to the two additional cores, performance has increased by almost 50% compared to a similar clocked Kaby Lake processor like the Core i7-7920HQ (3.1 - 4.1 GHz). Single-core performance has not improved since its Kaby Lake predecessor. Compared to the i7-8850H, the performance improved only slightly.

Graphics

The integrated Intel UHD Graphics 630 iGPU is supposed to offer a slightly higher performance as its clock rate has been increased by 50 MHz (rumored). The architecture is identical to that of the Intel HD Graphics 630. We do expect a performance improvement, but as a low-end solution it will probably only display current games smoothly at reduced details - if at all.

Power Consumption

Intel specifies the TDP with 45 watts and therefore the i7 is only suited for big laptops with good cooling solutions. Using cTDP-down, the CPU can also be configured to 35 Watt resulting in a reduced performance.

Intel Core i7-8557U

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The Intel Core i7-8557U is a quad-core SoC for notebooks based on the Coffee Lake architecture that was announced in the new entry level MacBook Pro 13 in mid 2019. Compared to its predecessor, the CPU is now a quad-core with Hyperthreading support for the execution of up to 8 threads simultaneously. The base frequency is only 1.7 GHz, but the Turbo goes all the way up to 4.5 GHz. It is also equipped with an Intel Iris Plus Graphics 645 GPU with 128 MB eDRAM, a dual-channel memory controller (DDR4) as well as VP9 and H.265 video decoding as well as encoding. The chip is still manufactured in a 14nm process with FinFET transistors.

Compared to slower Core i5 model with eDRAM and 15 Watts, the i5-8557U features 8 MB smart cache and the fastest clock of the Iris Plus GPU.

Architecture

Intel basically uses the same micro architecture compared to Kaby Lake, so the per-MHz performance does not differ. The manufacturer only reworked the Speed Shift technology for faster dynamic adjustments of voltages and clocks, and the improved 14nm process allows much higher frequencies combined with better efficiency than before.

Performance

Clocked at up to 4.5 GHz, the Core i7-8557U should offer an excellent single thread performance. The multi core performance is greatly improved due to the two additional cores (compared to the predecessor) but may be limited by the 15 Watt TDP (especially for sustained workloads).

Graphics

The integrated Intel Iris Plus 645 Graphics is the GT3e model of the Coffee Lake GPU (Intel Gen. 9.5). It has 48 Execution Units running at 300-1150 MHz  and the performance is comparable to a GeForce 930M or 940MX thanks to fast eDRAM cache. However, there aren't any significant improvements compared to the old Iris Plus 650, so modern games can often not be played smoothly or only at the lowest or medium settings, respectively.

Contrary to Skylake, Kaby lake now also supports H.265/HEVC Main 10 with a 10-bit color depth as well as Google's VP9 codec. The dual-core Kaby Lake processors announced in January should also support HDCP 2.2.

Power Consumption

The chip is manufactured in an improved 14nm++ process with FinFET transistors, which improves the efficiency even further. Intel specifies the TDP with 15 Watts and therefore suited for thin and light laptops.

Intel Core i7-9850HIntel Core i7-8557U
Intel Core i7Intel Core i7
Coffee LakeCoffee Lake
: Core i7 Coffee Lake
» Intel Core i7-9850H2600 - 4600 MHz6 / 1212 MB
Intel Core i7-9750H (compare)2600 - 4500 MHz6 / 1212 MB
Intel Core i7-8850H (compare)2600 - 4300 MHz6 / 129 MB
Intel Core i7-8750H (compare)2200 - 4100 MHz6 / 129 MB
Intel Core i7-8559U (compare)2700 - 4500 MHz4 / 88 MB
Intel Core i7-8557U1700 - 4500 MHz4 / 88 MB
Intel Core i7-9850H2600 - 4600 MHz6 / 1212 MB
Intel Core i7-9750H (compare)2600 - 4500 MHz6 / 1212 MB
Intel Core i7-8850H (compare)2600 - 4300 MHz6 / 129 MB
Intel Core i7-8750H (compare)2200 - 4100 MHz6 / 129 MB
Intel Core i7-8559U (compare)2700 - 4500 MHz4 / 88 MB
» Intel Core i7-8557U1700 - 4500 MHz4 / 88 MB
2600 - 4600 MHz1700 - 4500 MHz
384 KB256 KB
1.5 MB1 MB
12 MB8 MB
6 / 124 / 8
45 28
14 14
FCBGA1440FCBGA1528
Dual-Channel DDR4 Memory Controller, HyperThreading, AVX, AVX2, Quick Sync, Virtualization, AES-NIDual-Channel DDR4 Memory Controller, HyperThreading, AVX, AVX2, Quick Sync, Virtualization, AES-NI, Intel SSE4.1, Intel SSE 4.2
iGPUIntel UHD Graphics 630 (350 - 1150 MHz)Intel Iris Plus Graphics 645 (300 - 1150 MHz)
100 °C
Intel Core i7 8557U

Cinebench R20 - CPU (Single Core)
min: 425     avg: 439.5     median: 439 (85%)     max: 454 Points
Cinebench R20 - CPU (Multi Core)
min: 1800     avg: 2114     median: 2114 (31%)     max: 2428 Points
Cinebench R15 - CPU Multi 64Bit
min: 961     avg: 1113.9     median: 1108 (25%)     max: 1272 Points
Cinebench R15 - CPU Single 64Bit
min: 192     avg: 193.8     median: 193 (89%)     max: 196 Points
Cinebench R11.5 - CPU Multi 64Bit
12.5 Points (28%)
Cinebench R11.5 - CPU Single 64Bit
2.1 Points (107%)
Cinebench R10 - Rendering Single 32Bit
7169 Points (74%)
Cinebench R10 - Rendering Multiple CPUs 32Bit
31938 Points (49%)
Cinebench R10 - Rendering Multiple CPUs 64Bit
42090 Points (55%)
Cinebench R10 - Rendering Single CPUs 64Bit
9224 Points (89%)
wPrime 2.0x - 1024m *
278 seconds (3%)
wPrime 2.0x - 32m *
8.3 seconds (2%)
WinRAR - Result
5621 KB/s (66%)
7-Zip 18.03 - 7z b 4
min: 25786     avg: 29713.7     median: 31087 (30%)     max: 32268 MIPS
7-Zip 18.03 - 7z b 4 -mmt1
min: 5020     avg: 5066     median: 5086 (74%)     max: 5092 MIPS
X264 HD Benchmark 4.0 - Pass 2
68.3 fps (38%)
X264 HD Benchmark 4.0 - Pass 1
201.3 fps (75%)
HWBOT x265 Benchmark v2.2 - 4k Preset
min: 7     avg: 8.4     median: 9 (30%)     max: 9 fps
TrueCrypt - Serpent Mean 100MB
0.8 GB/s (38%)
TrueCrypt - Twofish Mean 100MB
1.2 GB/s (40%)
TrueCrypt - AES Mean 100MB
7.4 GB/s (37%)
Blender 2.79 *
min: 411     avg: 459.3     median: 415 (4%)     max: 552 Seconds
3DMark 06 - CPU
min: 9137     avg: 10056     median: 10056 (67%)     max: 10975 Points
Super Pi mod 1.5 XS 1M *
8.2 Seconds (2%)
Super Pi mod 1.5 XS 2M *
18.1 Seconds (1%)
Super Pi Mod 1.5 XS 32M *
467.6 Seconds (2%)
3DMark Vantage - P CPU no PhysX 1280x1024
min: 26292     avg: 34763.3     median: 37665 (53%)     max: 40333 Points
3DMark 11 - Performance Physics 1280x720
min: 9987     avg: 11361.3     median: 11512 (59%)     max: 12585 points
3DMark - Ice Storm Standard Physics 1280x720
min: 54664     avg: 57802     median: 56870 (37%)     max: 61872 Points
3DMark - Cloud Gate Standard Physics 1280x720
min: 8390     avg: 9853     median: 9841 (25%)     max: 11328 Points
3DMark - Fire Strike Physics 1920x1080
min: 14059     avg: 15801.7     median: 15330 (47%)     max: 18016 Points
Geekbench 4.0 - Compute OpenCL Score
93883 Points (32%)
Geekbench 4.0 - 64 Bit Multi-Core Score
20077 Points (67%)
Geekbench 4.0 - 64 Bit Single-Core Score
5376 Points (90%)
Geekbench 4.4 - 64 Bit Single-Core Score
min: 5320     avg: 5509.3     median: 5594 (88%)     max: 5614 Points
Geekbench 4.4 - 64 Bit Multi-Core Score
min: 18098     avg: 22010.3     median: 23715 (41%)     max: 24218 Points
Geekbench 5 - 64 Bit Single-Core Score
min: 1135     avg: 1169     median: 1169 (87%)     max: 1203 Points
Geekbench 5 - 64 Bit Multi-Core Score
min: 5353     avg: 5619.5     median: 5619 (33%)     max: 5886 Points
Mozilla Kraken 1.1 - Total Score *
min: 1009     avg: 1017.4     median: 1014 (2%)     max: 1028 ms
Octane V2 - Total Score
min: 38630     avg: 39089.7     median: 39091 (75%)     max: 39548 Points

Average Benchmarks Intel Core i7-9850H → 100%

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* Smaller numbers mean a higher performance
1 This benchmark is not used for the average calculation

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> Notebook / Laptop Reviews and News > Benchmarks / Tech > Processor Comparison - Head 2 Head
Redaktion, 2017-09- 8 (Update: 2017-09-11)