Core i7-8086K
VS
Core i7-1355U

Core i7-8086K vs Core i7-1355U

Intel

Core i7-8086K

6 Cores12 Thrd95 WWMax: 5 GHz2018
VS
Intel

Core i7-1355U

10 Cores12 Thrd15 WWMax: 5 GHz2023

Performance Spectrum - CPU

About PassMark

PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money.

MSRP is the manufacturer's suggested retail price.
Avg price is the current average price collected from markets across the web.

Performance Per Dollar Core i7-8086K

#235
Ryzen 9 3900XT
MSRP: $499|Avg: $390
105%
#236
Ryzen 3 PRO 8300G
MSRP: $176|Avg: $176
105%
#237
Core i7-14700T
MSRP: $384|Avg: $384
104%
#238
Core i3-13100TE
MSRP: $137|Avg: $137
104%
#239
Core i5-9600T
MSRP: $213|Avg: $118
103%
#240
Core i5-12400T
MSRP: $192|Avg: $192
102%
#241
Core i9-14900F
MSRP: $524|Avg: $579
102%
#242
Celeron G6900E
MSRP: $53|Avg: $53
102%
#243
Core i3-12300T
MSRP: $209|Avg: $164
102%
#244
Core i9-12900
MSRP: $519|Avg: $420
102%
#245
Ryzen 3 8300G
MSRP: $176|Avg: $176
101%
#246
Core i7-11700KF
MSRP: $374|Avg: $299
101%
#247
Core i5-10600K
MSRP: $262|Avg: $179
101%
#248
Core i3-10325
MSRP: $154|Avg: $130
100%
#249
Ryzen Embedded V2718
MSRP: $250|Avg: $200
100%
#250
Core i7-8086K
MSRP: $425|Avg: $178
100%
#251
Core i3-10300T
MSRP: $157|Avg: $100
100%
#252
Core i9-10900TE
MSRP: $309|Avg: $180
100%
#253
Core i9-12900T
MSRP: $489|Avg: $378
99%
#254
Core i5-12600T
MSRP: $223|Avg: $223
99%
#255
Ryzen 5 PRO 4655GE
MSRP: $200|Avg: $180
99%
#256
Ryzen 5 3500X
MSRP: $155|Avg: $171
97%
#256
Ryzen 7 1700X
MSRP: $399|Avg: $60
50%
#257
Core i9-14900
MSRP: $524|Avg: $589
97%
#258
Core i5-8600
MSRP: $213|Avg: $130
97%
#259
Core i3-9100TE
MSRP: $122|Avg: $60
97%
#260
Core i5-12500T
MSRP: $302|Avg: $214
97%
#261
Core i9-13900
MSRP: $549|Avg: $599
96%
#262
Core i7-11700
MSRP: $323|Avg: $274
95%
#262
Core i7-8700K
MSRP: $359|Avg: $160
48%
#263
Core i9-13900T
MSRP: $549|Avg: $570
95%
Based on actual market prices and performance synthetic scores.

Performance Per Dollar Core i7-1355U

#119
Ryzen 7 PRO 250
MSRP: $400|Avg: $380
108%
#120
Core i7-11850HE
MSRP: $400|Avg: $75
106%
#124
Core i5-1240P
MSRP: $309|Avg: $200
104%
#125
Core i7-13700H
MSRP: $502|Avg: N/A
103%
#131
Core i7-1355U
MSRP: N/A|Avg: N/A
100%
#144
Core i7-12650H
MSRP: $457|Avg: N/A
94%
Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Analysis: Based on specifications, the Core i7-1355U shows stronger theoretical performance metrics.
InsightCore i7-8086KCore i7-1355U
Gaming
Balanced gaming performance
Balanced gaming performance
Workstation
Weaker in multi-core tasks
Better multi-core power
Price
⚠️ Higher cost ($178)
More affordable ($0)
Longevity
✨ Modern (Coffee Lake-S (2017−2018) / 14 nm)
✨ Modern (Raptor Lake-U (2023) / Intel 7 nm)

💎 Value Proposition

InsightCore i7-8086KCore i7-1355U
Cost Efficiency
Lower cost efficiency
Lower cost efficiency
Upfront Cost
⚠️ Higher cost ($178)
More affordable ($0)

Performance Check

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Technical Specifications

Side-by-side comparison of Core i7-8086K and Core i7-1355U

Intel

Core i7-8086K

The Core i7-8086K is manufactured by Intel. It was released in 5 June 2018 (7 years ago). It is based on the Coffee Lake-S (2017−2018) architecture. It features 6 cores and 12 threads. Base frequency is 4 GHz, with boost up to 5 GHz. L3 cache: 12 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 95 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 14,069 points. Launch price was $425.

Intel

Core i7-1355U

The Core i7-1355U is manufactured by Intel. It was released in 4 January 2023 (2 years ago). It is based on the Raptor Lake-U (2023) architecture. It features 10 cores and 12 threads. Base frequency is 1.7 GHz, with boost up to 5 GHz. L3 cache: 12 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: FCBGA1744. Thermal design power (TDP): 15 Watt. Memory support: DDR5-5200, DDR4-3200, LPDDR4x-4267. Passmark benchmark score: 14,116 points. Launch price was $469.

Processing Power

The Core i7-8086K packs 6 cores / 12 threads, while the Core i7-1355U offers 10 cores / 12 threads — the Core i7-1355U has 4 more cores. Boost clocks reach 5 GHz on the Core i7-8086K versus 5 GHz on the Core i7-1355U — identical boost frequencies (base: 4 GHz vs 1.7 GHz). The Core i7-8086K uses the Coffee Lake-S (2017−2018) architecture (14 nm), while the Core i7-1355U uses Raptor Lake-U (2023) (Intel 7 nm). In PassMark, the Core i7-8086K scores 14,069 against the Core i7-1355U's 14,116 — a 0.3% lead for the Core i7-1355U. Both processors carry 12 MB (total) of L3 cache.

FeatureCore i7-8086KCore i7-1355U
Cores / Threads
6 / 12
10 / 12+67%
Boost Clock
5 GHz
5 GHz
Base Clock
4 GHz+135%
1.7 GHz
L3 Cache
12 MB (total)
12 MB (total)
L2 Cache
256K (per core)
1.25 MB (per core)+400%
Process
14 nm
Intel 7 nm-50%
Architecture
Coffee Lake-S (2017−2018)
Raptor Lake-U (2023)
PassMark
14,069
14,116
🧠

Memory & Platform

The Core i7-8086K uses the LGA1151 socket (PCIe 3.0), while the Core i7-1355U uses FCBGA1744 (PCIe 5.0) — making them incompatible on the same motherboard.

FeatureCore i7-8086KCore i7-1355U
Socket
LGA1151
FCBGA1744
PCIe Generation
PCIe 3.0
PCIe 5.0+67%