Intel Core i5-8250U vs Intel Core i7-8650U

Intel Core i5-8250U

► remove Intel i5-8250U

The Intel Core i5-8250U is a power efficient quad-core SoC for notebooks and Ultrabooks based on the Kaby Lake Refresh generation and was announced in August 2017. Contrary to its direct predecessor the Core i5-7200U, which were still dual-cores, the i7-8250U is equipped with four cores but at a lower base frequency of 1.6 GHz. The Turbo Boost can go up to 3,4 GHz and therefore also offer good short term single core speeds. The GPU is now named Intel UHD Graphics 620 but otherwise identical to the Intel HD Graphics 620. The integrated memory controller supports DDR4-2400 / LPDDR3-2133 and dual channel memory.

Architecture

Intel basically uses the same micro architecture compared to Skylake, 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

According to Intel, the new quad core models are up to 40% faster than their dual core predecessors. Due to the reduced TDP and the same 14nm+ process, the long term performance and throttling behavior will be interesting and depending on the laptop design. Therefore, the older 35 Watt quad-core models should be faster in applications that demand longer CPU loads.

Graphics

The integrated Intel UHD Graphics 620 (Intel Gen 9.5) is untouched from the 8th Gen Kaby Lake chips. With fast dual-channel memory it can reach the performance of a dedicated GeForce 920M.

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 (14nm+), the same as the 7th Gen Kaby Lake processors. Intel still specifies the TDP with 15 Watts, which is typical for ULV chips. Depending on the usage scenario, the TDP can vary between 7.5 (cTDP Down) and 25 Watts.

Intel Core i7-8650U

► remove Intel i7-8650U

The Intel Core i7-8650U is a power efficient quad-core SoC for notebooks and Ultrabooks based on the Kaby Lake Refresh generation and was announced in August 2017. Contrary to its direct predecessor the Core i7-7600U, which were still dual-cores, the i7-8650U is equipped with four cores but at a lower base frequency of 1.9 GHz. The Turbo Boost can go up to 4,2 GHz and therefore also offer good short term single core speeds. The GPU is now named Intel UHD Graphics 620 but otherwise identical to the Intel HD Graphics 620. The integrated memory controller supports DDR4-2400 / LPDDR3-2133 and dual channel memory.

Architecture

Intel basically uses the same micro architecture compared to Skylake, 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

According to Intel, the new quad core models are up to 40% faster than their dual core predecessors. Due to the reduced TDP and the same 14nm+ process, the long term performance and throttling behaviour will be interesting and depending on the laptop design. Therefore, the older 35 Watt quad-core models should be faster in applications that demand longer CPU loads. The performance however is highly depending on the TDP settings and cooling solution of the laptop. Especially, longer loads will show varying results in different laptops.

Graphics

The integrated Intel UHD Graphics 620 (Intel Gen 9.5) is untouched from the 8th Gen Kaby Lake chips. With fast dual-channel memory it can reach the performance of a dedicated GeForce 920M.

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 (14nm+), the same as the 7th Gen Kaby Lake processors. Intel still specifies the TDP with 15 Watts, which is typical for ULV chips. Depending on the usage scenario, the TDP can vary between 7.5 (cTDP Down) and 25 Watts.

Intel Core i5-8250UIntel Core i7-8650U
Intel Kaby Lake RefreshIntel Kaby Lake Refresh
Kaby Lake RefreshKaby Lake Refresh
: Kaby Lake Refresh Kaby Lake Refresh
Intel Core i7-8650U1.9 - 4.2 GHz4 / 88 MB
Intel Core i7-8550U compare1.8 - 4 GHz4 / 88 MB
Intel Core i5-8350U compare1.7 - 3.6 GHz4 / 86 MB
» Intel Core i5-8250U1.6 - 3.4 GHz4 / 86 MB
Intel Core i3-8130U compare2.2 - 3.4 GHz2 / 44 MB
Intel Pentium Gold 4417U compare2.3 GHz2 / 42 MB
» Intel Core i7-8650U1.9 - 4.2 GHz4 / 88 MB
Intel Core i7-8550U compare1.8 - 4 GHz4 / 88 MB
Intel Core i5-8350U compare1.7 - 3.6 GHz4 / 86 MB
Intel Core i5-8250U1.6 - 3.4 GHz4 / 86 MB
Intel Core i3-8130U compare2.2 - 3.4 GHz2 / 44 MB
Intel Pentium Gold 4417U compare2.3 GHz2 / 42 MB
1600 - 3400 MHz1900 - 4200 MHz
256 KB256 KB
1 MB1 MB
6 MB8 MB
4 / 84 / 8
15 15
14 14
BGA1356BGA1356
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
iGPUIntel UHD Graphics 620 (300 - 1100 MHz)Intel UHD Graphics 620 (300 - 1150 MHz)
Architecturex86x86
$297 U.S.$409 U.S.
Intel Kaby Lake Refresh i7-8650U

Performance Rating - CB R15 + R20 + 7-Zip + X265 + Blender + 3DM11 CPU
36.8 pt (42%)
Cinebench R23 - Cinebench R23 CPU (Multi Core)
3194 Points (12%)
Cinebench R23 - Cinebench R23 CPU (Single Core)
840 Points (51%)
Cinebench R20 - Cinebench R20 CPU (Single Core)
min: 332     avg: 348     median: 353 (55%)     max: 355 Points
Cinebench R20 - Cinebench R20 CPU (Multi Core)
min: 846     avg: 1143     median: 1200 (11%)     max: 1325 Points
Cinebench R15 - Cinebench R15 CPU Multi 64 Bit
min: 320     avg: 571     median: 563 (13%)     max: 730 Points
0102030405060708090100110120130140150160170180190200210220230240250260270280290300310320330340350360370380390400410420430440450460470480490500510520530540550560570580590600610620630640650660670680690700710720730740Tooltip
min: 451     avg: 589     median: 605 (13%)     max: 675 Points
0102030405060708090100110120130140150160170180190200210220230240250260270280290300310320330340350360370380390400410420430440450460470480490500510520530540550560570580590600610620630640650660670680Tooltip
Cinebench R15 - Cinebench R15 CPU Single 64 Bit
min: 81     avg: 141     median: 143.5 (53%)     max: 147 Points
min: 128     avg: 165     median: 169 (62%)     max: 178 Points
Cinebench R11.5 - Cinebench R11.5 CPU Multi 64 Bit
min: 3.15     avg: 6     median: 5.9 (12%)     max: 7.76 Points
min: 5.04     avg: 6.4     median: 6.8 (14%)     max: 7.24 Points
Cinebench R11.5 - Cinebench R11.5 CPU Single 64 Bit
min: 0.91     avg: 1.6     median: 1.6 (52%)     max: 1.79 Points
min: 1.67     avg: 1.9     median: 1.9 (61%)     max: 2.04 Points
Cinebench R10 - Cinebench R10 Rend. Single (32bit)
min: 5349     avg: 5631     median: 5533 (49%)     max: 8356
min: 5307     avg: 6337     median: 6629 (59%)     max: 6782
Cinebench R10 - Cinebench R10 Rend. Multi (32bit)
min: 14148     avg: 18261     median: 17987 (30%)     max: 22097
min: 16227     avg: 18738     median: 18635 (31%)     max: 21455
Cinebench R10 - Cinebench R10 Rend. Multi (64bit)
min: 11245     avg: 23585     median: 23873 (23%)     max: 28932 Points
21677 Points (21%)
Cinebench R10 - Cinebench R10 Rend. Single (64bit)
min: 5163     avg: 6972     median: 7174 (54%)     max: 8153 Points
6864 Points (52%)
wPrime 2.10 - wPrime 2.0 1024m *
min: 243.336     avg: 309     median: 306.2 (4%)     max: 402.09 s
min: 268.279     avg: 302     median: 302.8 (4%)     max: 334.6 s
wPrime 2.10 - wPrime 2.0 32m *
min: 7.394     avg: 8.9     median: 8.1 (2%)     max: 13.753 s
min: 8.636     avg: 9.6     median: 9.9 (2%)     max: 10.277 s
wPrime 1.55 - wPrime 1.55 1024m *
414 s (2%)
wPrime 1.55 - wPrime 1.55 32m *
10.3 s (5%)
WinRAR - WinRAR 4.0
min: 3632     avg: 3991     median: 3991 (26%)     max: 4350
min: 4140     avg: 4423     median: 4319 (28%)     max: 4915
7-Zip 18.03 - 7-Zip 18.03 Multli Thread 4 runs
min: 11546     avg: 15176     median: 15041 (12%)     max: 17405 MIPS
7-Zip 18.03 - 7-Zip 18.03 Single Thread 4 runs
min: 3653     avg: 3743     median: 3725 (25%)     max: 3925 MIPS
X264 HD Benchmark 4.0 - x264 Pass 2
min: 29.5     avg: 32.8     median: 32 (14%)     max: 37.7 fps
min: 35     avg: 39.1     median: 39.8 (18%)     max: 41.98 fps
X264 HD Benchmark 4.0 - x264 Pass 1
min: 124.58     avg: 139     median: 137.5 (41%)     max: 157.6 fps
min: 149     avg: 165     median: 169.6 (50%)     max: 173.19 fps
HWBOT x265 Benchmark v2.2 - HWBOT x265 4k Preset
min: 3.02     avg: 4.2     median: 4.5 (14%)     max: 4.78 fps
01020Tooltip
TrueCrypt - TrueCrypt Serpent
min: 0.336     avg: 0.4     median: 0.4 (0%)     max: 0.415 GB/s
min: 0.393     avg: 0.4     median: 0.4 (0%)     max: 0.444 GB/s
TrueCrypt - TrueCrypt Twofish
min: 0.58     avg: 0.6     median: 0.7 (1%)     max: 0.714 GB/s
min: 0.662     avg: 0.7     median: 0.7 (1%)     max: 0.733 GB/s
TrueCrypt - TrueCrypt AES
min: 2.9     avg: 3.5     median: 3.5 (0%)     max: 4 GB/s
min: 3.9     avg: 4.2     median: 4.3 (0%)     max: 4.4 GB/s
Blender 2.79 - Blender 2.79 BMW27 CPU *
min: 812.5     avg: 957     median: 913.2 (6%)     max: 1209.2 Seconds
R Benchmark 2.5 - R Benchmark 2.5 *
min: 0.818     avg: 0.8     median: 0.8 (18%)     max: 0.843 sec
3DMark 06 - CPU - 3DMark 06 - CPU
min: 4775     avg: 6370     median: 6348 (35%)     max: 7575 Points
min: 4487     avg: 6716     median: 6936 (38%)     max: 7939 Points
Super Pi mod 1.5 XS 1M - Super Pi mod 1.5 XS 1M *
min: 10.9     avg: 11.7     median: 11.1 (2%)     max: 15.77 s
min: 8     avg: 8.6     median: 8.8 (2%)     max: 9 s
Super Pi mod 1.5 XS 2M - Super Pi mod 1.5 XS 2M *
min: 24.9     avg: 26.3     median: 25.2 (1%)     max: 34.28 s
min: 19     avg: 19.7     median: 20 (1%)     max: 20.1 s
Super Pi Mod 1.5 XS 32M - Super Pi mod 1.5 XS 32M *
min: 601     avg: 631     median: 613 (3%)     max: 782.59 s
min: 501     avg: 513     median: 508 (2%)     max: 542 s
3DMark Vantage - 3DM Vant. Perf. CPU no Physx
min: 15198     avg: 20933     median: 21899 (25%)     max: 24736 Points
19125 Points (22%)
3DMark 11 - 3DM11 Performance Physics
min: 3233     avg: 6318     median: 6276 (27%)     max: 8014 Points
min: 5168     avg: 7106     median: 6863 (29%)     max: 8887 Points
3DMark - 3DMark Ice Storm Physics
min: 24077     avg: 44593     median: 45968.5 (30%)     max: 50962 Points
min: 39040     avg: 42198     median: 41275 (27%)     max: 47797 Points
3DMark - 3DMark Ice Storm Extreme Physics
min: 24155     avg: 44127     median: 45251 (48%)     max: 50910 Points
min: 41011     avg: 43029     median: 41405.5 (44%)     max: 48293 Points
3DMark - 3DMark Ice Storm Unlimited Physics
min: 34294     avg: 49389     median: 50347.5 (52%)     max: 52066 Points
min: 44090     avg: 52920     median: 56455 (58%)     max: 58675 Points
3DMark - 3DMark Cloud Gate Physics
min: 3002     avg: 5863     median: 5774 (15%)     max: 7695 Points
min: 4442     avg: 5935     median: 6089 (15%)     max: 7416 Points
3DMark - 3DMark Fire Strike Standard Physics
min: 4495     avg: 8511     median: 8453 (21%)     max: 10727 Points
min: 6823     avg: 8895     median: 9167 (23%)     max: 10541 Points
3DMark - 3DMark Time Spy CPU
min: 1956     avg: 2709     median: 2663 (19%)     max: 3723 Points
min: 2685     avg: 3010     median: 2876 (20%)     max: 3569 Points
Geekbench 3 - Geekbench 3 32 Bit Multi-Core
min: 10893     avg: 12606     median: 12742 (23%)     max: 13553
Geekbench 3 - Geekbench 3 32 Bit Single-Core
min: 3148     avg: 3302     median: 3242 (67%)     max: 3503
Geekbench 3 - Geekbench 3 64 Bit Multi-Core
min: 14363     avg: 14408     median: 14407.5 (23%)     max: 14452
Geekbench 3 - Geekbench 3 64 Bit Single-Core
min: 3759     avg: 3829     median: 3828.5 (78%)     max: 3898
Geekbench 4.0 - Geekbench 4.0 64 Bit Single-Core
min: 3924     avg: 4076     median: 4029 (62%)     max: 4243
Geekbench 4.0 - Geekbench 4.0 64 Bit Multi-Core
min: 10751     avg: 12210     median: 12131 (30%)     max: 13486
Geekbench 4.1 - 4.4 - Geekbench 4.1 - 4.4 64 Bit Single-Core
min: 3981     avg: 4144     median: 4105 (56%)     max: 4330
Geekbench 4.1 - 4.4 - Geekbench 4.1 - 4.4 64 Bit Multi-Core
min: 11269     avg: 12797     median: 12712.5 (20%)     max: 14228
Geekbench 5.0 - Geekbench 5.0 64 Bit Single-Core
931 (55%)
Geekbench 5.0 - Geekbench 5.0 64 Bit Multi-Core
3105 (19%)
Geekbench 5.1 - 5.3 - Geekbench 5.1 - 5.3 64 Bit Single-Core
min: 900     avg: 920     median: 925 (53%)     max: 936
Geekbench 5.1 - 5.3 - Geekbench 5.1 - 5.3 64 Bit Multi-Core
min: 2265     avg: 2955     median: 3120 (18%)     max: 3480
Mozilla Kraken 1.1 - Kraken 1.1 Total Score *
min: 985.9     avg: 1222     median: 1259.6 (2%)     max: 1531.9 ms
min: 809     avg: 1126     median: 1076.6 (2%)     max: 1911.9 ms
Sunspider - Sunspider 1.0 Total Score *
min: 74.8     avg: 108     median: 91 (1%)     max: 265.6 ms
min: 63.8     avg: 74.2     median: 74.4 (1%)     max: 83.1 ms
Octane V2 - Octane V2 Total Score
min: 22772     avg: 30123     median: 29871 (48%)     max: 35817 Points
min: 11491     avg: 31341     median: 33906 (54%)     max: 42822 Points
Power Consumption - Prime95 Power Consumption - external Monitor *
min: 25.9     avg: 27.9     median: 28.3 (8%)     max: 29.3 Watt
Power Consumption - Cinebench R15 Multi Power Consumption - external Monitor *
min: 27.7     avg: 29.5     median: 29.8 (8%)     max: 30.8 Watt

Average Benchmarks Intel Core i5-8250U → 100% n=31

Average Benchmarks Intel Core i7-8650U → 106% n=31

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

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