Intel Core i7 8700K vs i5 8350U
38
out of 100
VS
26
out of 100
We compared two CPUs: the 3.7 GHz Intel Core i7 8700K (desktop) with 6-cores against the 1.7 GHz i5 8350U (laptop) with 4-cores. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.
Review
Single-Core Performance
Performance in single-threaded apps and benchmarks
Multi-Core Performance
Measure performance when all cores are involved
Power Efficiency
The efficiency score of power consumption
Integrated Graphics
iGPU capabilities for gaming and 3D-intensive tasks
The "iGPU" and "Power Efficiency" have a minor impact on the NanoReview Score for desktop CPU.
Choose your main usage scenario to recalculate the Final Score and see which CPU suits your needs.
Value for money (Beta)
Key Differences
Advantages of Intel Core i7 8700K
- Supports up to 128 GB DDR4-2666 RAM
- Has 6 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
- Has 2 more physical cores
- 40% faster in a single-core Geekbench v6 test - 1741 vs 1243 points
- 31% higher Turbo Boost frequency (4.7 GHz vs 3.6 GHz)
- More powerful Intel UHD Graphics 630 integrated graphics: 0.5 vs 0.4 TFLOPS
- Around 4.1 GB/s (11%) higher theoretical memory bandwidth
Test in Benchmarks
Comparing the performance of CPUs across various tasksCinebench
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
| Cinebench 2026 (Single) | - | 450 |
| Cinebench 2026 (Multi) | - | 944 |
GeekBench v6
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
| File compression | 509.8 MB/sec | 208.7 MB/sec |
| Clang compilation | 52.2 Klines/sec | 26.1 Klines/sec |
| HTML 5 Browser | 149.8 pages/sec | 71.4 pages/sec |
| PDF Renderer | 210.4 Mpixels/sec | 110.3 Mpixels/sec |
| Text processing | 165.3 pages/sec | 121.6 pages/sec |
| Background blur | 38 images/sec | 19.4 images/sec |
| Photo processing | 61.1 images/sec | 28.3 images/sec |
| Ray tracing | 10.8 Mpixels/sec | 5.69 Mpixels/sec |
PassMark
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
| Integer math | 45.9 GOps/sec | 22.1 GOps/sec |
| Floating point math | 28.5 GOps/sec | 13.4 GOps/sec |
| Find prime numbers | 39M Primes/sec | 19M Primes/sec |
| Random string sorting | 25.2M Strings/sec | 10.6M Strings/sec |
| Data encryption | 4.8 GBytes/sec | 2.1 GBytes/sec |
| Data compression | 198.7 MBytes/sec | 79.4 MBytes/sec |
| Physics | 811 Frames/sec | 427 Frames/sec |
| Extended instructions | 13.5B Matrices/sec | 5.2B Matrices/sec |
Blender
Blender CPU
Performance Per Watt
| Cinebench 2024 / Watt | 5.3 PPW | 17.5 PPW |
| Geekbench 6 Multi / Watt | 72.9 PPW | 228.3 PPW |
| Passmark CPU Mark / Watt | 142.8 PPW | 406.6 PPW |
| Blender / Watt | 1.34 PPW | 2.77 PPW |
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.
Recent User Tests
Intel Core i7 8700K
| Date | Benchmark | Result |
|---|---|---|
| π 2025-03-12 (SPUUD) | Cinebench 2024 | 69 / 486 |
| π 2025-03-09 (angry beaver) | Cinebench 2024 | 70 / 504 |
| π 2025-02-14 (Mike) | Cinebench 2024 | 74 / 520 |
| π 2024-12-01 (AzureWizzard) | Cinebench 2024 | 72 / 499 |
| π 2024-04-21 (Ian Geraldi Cordeiro) | Cinebench 2024 | 64 / 398 |
Intel Core i5 8350U
| Date | Benchmark | Result |
|---|---|---|
| π 2026-07-28 (Effectedbaker67) | Cinebench 2024 | 58 / 228 |
| π 2026-07-28 (Effectedbaker67) | Cinebench 2026 | 450 / 944 |
| π 2026-07-26 (Effectedbaker67) | Cinebench 2024 | 57 / 207 |
| π 2026-02-23 (UTYONE) | Geekbench 6 CPU | 1257 / 3854 |
| π 2025-06-07 (MeepMaw) | Cinebench 2024 | 56 / 204 |
Specifications
Full technical specification of Intel Core i7 8700K and i5 8350UGeneral
| Vendor | Intel | Intel |
| Released | October 5, 2017 | August 21, 2017 |
| Type | Desktop | Laptop |
| Instruction Set | x86-64 | x86-64 |
| Codename | Coffee Lake | - |
| Model number | i7-8700K | i5-8350U |
| Integrated GPU | UHD Graphics 630 | UHD Graphics 620 |
| Rival Equivalent | - AMD Ryzen 7 2700X | - |
| Successor | - Intel Core Ultra 7 270K Plus | - |
CPU
| P-Cores | 6 | 4 |
| P-Threads | 12 | 8 |
| Base Frequency (P) | 3.7 GHz | 1.7 GHz |
| Turbo Boost Frequency (P) | 4.7 GHz | 3.6 GHz |
| Total Cores | 6 | 4 |
| Total Threads | 12 | 8 |
| Bus Frequency | 100 MHz | 100 MHz |
| Multiplier | 37x | 17x |
| Bus Bandwidth | 8 GT/s | 4 GT/s |
| L1 Cache | 64K (per core) | 64K (per core) |
| L2 Cache | 256K (per core) | 256K (per core) |
| L3 Cache | 12MB (shared) | 6MB (shared) |
| Unlocked Multiplier | Yes | - |
Package
| Fabrication Process | 14 nm | 14 nm |
| TDP (PL1) | 95 W | 15 W |
| Socket | LGA-1151 | BGA-1356 |
| Peak Temperature | 100Β°C | 100Β°C |
Desktop CPU ranking (#155th place)
iGPU
| Integrated Graphics | Intel UHD Graphics 630 | Intel UHD Graphics 620 |
| GPU Base Clock | 350 MHz | 300 MHz |
| GPU Boost Clock | 1200 MHz | 1100 MHz |
| Shading Units | 192 | 192 |
| TMUs | 24 | 24 |
| ROPs | 3 | 3 |
| Execution Units | 24 | 24 |
| TGP | 15 W | 15 W |
iGPU FLOPS
More info: UHD Graphics 620 compared to Graphics 630
Memory Support
| Memory Types | - DDR4-2666 | - DDR4-2400 - LPDDR3-2133 |
| Max. Memory Size | 128 GB | 32 GB |
| Memory Channels | 2 | 2 |
| Max. Memory Bandwidth | 41.6 GB/s | 37.5 GB/s |
| ECC Support | No | No |
Misc
| Official Site | Intel Core i7 8700K official page | Intel Core i5 8350U official page |
| PCI Express Version | 3.0 | 3.0 |
| PCI Express Lanes | 16 | 12 |
Cast your vote
Total votes: 1