Intel Core i7 14700HX vs AMD Ryzen 7 7840HS

We compared two laptop CPUs: the 2.1 GHz Intel Core i7 14700HX with 20-cores against the 3.8 GHz AMD Ryzen 7 7840HS with 8-cores. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.

Review

General overview and comparison of the processors
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
NanoReview Final Score
Choose your main usage scenario to recalculate the Final Score and see which CPU suits your needs.
πŸ”Œ Usage Scenario:

Key Differences

What are the key differences between 7840HS and 14700HX
Advantages of Intel Core i7 14700HX
  • Has 12 more physical cores
  • Has 17 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
  • Unlocked multiplier
  • Newer - released 1 year later
  • Newer PCI Express version – 5.0
  • 8% higher Turbo Boost frequency (5.5 GHz vs 5.1 GHz)
Advantages of AMD Ryzen 7 7840HS
  • More powerful Radeon 780M integrated graphics: 4.1 vs 0.8 TFLOPS
  • More modern manufacturing process – 4 versus 10 nanometers
  • Supports up to 256 GB DDR5-5600 RAM

Test in Benchmarks

Comparing the performance of CPUs across various tasks

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Cinebench 2026 (Single) 633 -
Cinebench 2026 (Multi) 4593 -
Cinebench Scores (97th and 182nd place)

GeekBench v6

The new version of this benchmark emulates common operations often used in real-world apps
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
15908
File compression 1230 MB/sec 1120 MB/sec
Clang compilation 156.5 Klines/sec 102.5 Klines/sec
HTML 5 Browser 358.9 pages/sec 217.2 pages/sec
PDF Renderer 430.9 Mpixels/sec 350 Mpixels/sec
Text processing 272.3 pages/sec 251.8 pages/sec
Background blur 51 images/sec 59.4 images/sec
Photo processing 120 images/sec 87.6 images/sec
Ray tracing 32.8 Mpixels/sec 22.5 Mpixels/sec
Sources: GeekBench [1], [2] – 122 & 753 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
36513
Integer math 131.2 GOps/sec 97.1 GOps/sec
Floating point math 93.8 GOps/sec 59 GOps/sec
Find prime numbers 165M Primes/sec 87M Primes/sec
Random string sorting 48.5M Strings/sec 40.4M Strings/sec
Data encryption 26.1 GBytes/sec 20.3 GBytes/sec
Data compression 437.9 MBytes/sec 340.4 MBytes/sec
Physics 2244 Frames/sec 1362 Frames/sec
Extended instructions 25.7B Matrices/sec 25.4B Matrices/sec
Sources: PassMark [3], [4] – 1978 & 4310 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
292.72

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 23.3 PPW 16.9 PPW
Geekbench 6 Multi / Watt 289.2 PPW 223.8 PPW
Passmark CPU Mark / Watt 663.9 PPW 523.9 PPW
Blender / Watt 5.32 PPW 4.05 PPW
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.

Recent User Tests

The latest benchmark tests that have been submitted by users
Intel Core i7 14700HX
DateBenchmarkResult
πŸ“˜ 2026-08-01 (mugen13)Geekbench 6 CPU2938 / 17782
πŸ“˜ 2026-04-10 (lnwponlawat)Geekbench 6 CPU2943 / 17760
πŸ“˜ 2026-04-10 (lnwponlawat)Cinebench 2024116 / 1563
πŸ“˜ 2026-03-24 (Greenbazooka)Cinebench 2026633 / 4593
πŸ“˜ 2025-10-21 (Shakeel)Cinebench 2024122 / 1308
AMD Ryzen 7 7840HS
DateBenchmarkResult
πŸ“˜ 2025-12-08 (Hari)Cinebench 2024104 / 880
πŸ“˜ 2025-07-31 (Safi ullah)Cinebench 2024102 / 911
πŸ“˜ 2025-06-10 (Johns)Cinebench 2024105 / 929
πŸ“˜ 2025-04-05 (KaniastyGucio)Cinebench 2024100 / 910
πŸ“˜ 2024-12-09 (Anand)Cinebench 202472 / 719

Specifications

Full technical specification of Intel Core i7 14700HX and AMD Ryzen 7 7840HS

General

Vendor Intel Amd
Released January 9, 2024 January 4, 2023
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Raptor Lake Refresh Zen 4 (Phoenix)
Model number i7-14700HX -
Integrated GPU UHD Graphics (32EU) Radeon 780M
Rival Equivalent - AMD Ryzen 7 8845HS - Intel Core i7 13620H
Successor - Intel Core Ultra 7 265HX - AMD Ryzen 7 8840HS
Intel CPU rating (#68th place)
AMD Ryzen CPU ranking (#62nd place)

CPU

Performance Cores
P-Cores 8 8
P-Threads 16 16
Base Frequency (P) 2.1 GHz 3.8 GHz
Turbo Boost Frequency (P) 5.5 GHz 5.1 GHz
Efficient Cores
E-Cores 12 -
E-Threads 12 -
Base Frequency (E) 1.5 GHz -
Turbo Boost Frequency (E) 3.9 GHz -
Total
Total Cores 20 8
Total Threads 28 16
Bus Frequency 100 MHz 100 MHz
Multiplier 21x 38x
L1 Cache 80K (per core) 64K (per core)
L2 Cache 2MB (per core) 1MB (per core)
L3 Cache 33MB (shared) 16MB (shared)
Unlocked Multiplier Yes No

Package

Transistors - 25 billions
Fabrication Process 10 nm 4 nm
TDP (PL1) 45-55 W (configurable) 35-54 W (configurable)
Max. Boost TDP (PL2) 157 W -
Socket BGA-1964 FP8
Peak Temperature 100Β°C 100Β°C
Laptop processors ranking (78th and 93rd place)

iGPU

Integrated Graphics Intel UHD Graphics (32EU) Radeon 780M
GPU Base Clock 300 MHz 800 MHz
GPU Boost Clock 1600 MHz 2700 MHz
Shading Units 256 768
TMUs 16 48
ROPs 8 32
Execution Units 32 12
TGP 15 W 15 W
iGPU FLOPS
0.8 TFLOPS
4.1 TFLOPS

Memory Support

Memory Types - DDR5-5600
- DDR4-3200
- DDR5-5600
- LPDDR5x-7500
Max. Memory Size 192 GB 256 GB
Memory Channels 2 2
Max. Memory Bandwidth 89.6 GB/s -
ECC Support Yes Yes

Misc

Official Site Intel Core i7 14700HX official page AMD Ryzen 7 7840HS official page
PCI Express Version 5.0 4.0
PCI Express Lanes 20 20
Further details
Notes on Ryzen 7 7840HS:
    - DDR5 memory is supported only on the FP7r2 socket, while FP7 and FP8 sockets support LPDDR5/x.
    - ECC support is available exclusively on the FP7r2 socket.

Cast your vote

Choose between two processors
127 (46%)
149 (54%)
Total votes: 276

Comments

So which CPU will you choose: AMD Ryzen 7 7840HS or Intel Core i7 14700HX?
🌐 Register your profile and become part of NanoReview community!