AMD Ryzen 7 7840HS

AMD Ryzen 7 7840HS
  • Cores: 8
  • L3 cache: 16MB (shared)
  • TDP: 35-54 W
  • Transistor size: 4 nm
Ryzen 7 7840HS - laptop processor produced by Amd for socket FP8 that has 8 cores and 16 threads. The base clock frequency of the CPU is 3800 MHz, but due to Turbo Core technology, it can perform up to 5100 MHz. The size of the L3 cache is 16 MB. Please note that this chip has integrated graphics Radeon 780M.

Review

Single-Core Performance
70
Multi-Core Performance
41
Power Efficiency
69
Integrated Graphics
81
NanoReview Final Score
61
Compare AMD Ryzen 7 7840HS with other CPUs

Test in Benchmarks

Performance test of AMD Ryzen 7 7840HS in benchmarks

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
102
Cinebench 2024 (Multi)
911
Cinebench Scores - 182nd place

GeekBench v6

The new version of this benchmark emulates common operations often used in real-world apps
Geekbench 6 (Single-Core)
2577
Geekbench 6 (Multi-Core)
12085
File compression 1120 MB/sec
Clang compilation 102.5 Klines/sec
HTML 5 Browser 217.2 pages/sec
PDF Renderer 350 Mpixels/sec
Text processing 251.8 pages/sec
Background blur 59.4 images/sec
Photo processing 87.6 images/sec
Ray tracing 22.5 Mpixels/sec
Sources: GeekBench [1] – 753 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
3708
Passmark CPU (Multi-Core)
28292
Integer math 97.1 GOps/sec
Floating point math 59 GOps/sec
Find prime numbers 87M Primes/sec
Random string sorting 40.4M Strings/sec
Data encryption 20.3 GBytes/sec
Data compression 340.4 MBytes/sec
Physics 1362 Frames/sec
Extended instructions 25.4B Matrices/sec
Sources: PassMark [3] – 4310 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
218.59

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 16.9 PPW
Geekbench 6 Multi / Watt 223.8 PPW
Passmark CPU Mark / Watt 523.9 PPW
Blender / Watt 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
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
πŸ“˜ 2024-09-09 (Kevin)Cinebench 2024104 / 946
πŸ“˜ 2024-09-08 (Sulab Silwal)Cinebench 2024101 / 892
πŸ“˜ 2024-06-14 (Maleesh)Cinebench 202487 / 944

Specifications

Ryzen 7 7840HS technical specifications

General

Vendor Amd
Released January 4, 2023
Type Laptop
Instruction Set x86-64
Codename Zen 4 (Phoenix)
Integrated GPU Radeon 780M
Intel Equivalent - Intel Core i7 13620H
Successor - AMD Ryzen 7 8840HS

CPU

Performance Cores
P-Cores 8
P-Threads 16
Base Frequency (P) 3.8 GHz
Turbo Boost Frequency (P) 5.1 GHz
Total
Total Cores 8
Total Threads 16
Bus Frequency 100 MHz
Multiplier 38x
L1 Cache 64K (per core)
L2 Cache 1MB (per core)
L3 Cache 16MB (shared)
Unlocked Multiplier No

Package

Transistors 25 billions
Fabrication Process 4 nm
TDP (PL1) 35-54 W (configurable)
Socket FP8
Peak Temperature 100Β°C

iGPU

Integrated Graphics Radeon 780M
GPU Base Clock 800 MHz
GPU Boost Clock 2700 MHz
Shading Units 768
TMUs 48
ROPs 32
Execution Units 12
TGP 15 W
iGPU FLOPS
4.1 TFLOPS
See also: Radeon 780M – integrated graphics of AMD Ryzen 7 7840HS

Memory Support

Memory Types - DDR5-5600
- LPDDR5x-7500
Max. Memory Size 256 GB
Memory Channels 2
ECC Support Yes

Misc

Official Site AMD Ryzen 7 7840HS official page
PCI Express Version 4.0
PCI Express Lanes 20
Technologies
- Compute: AVX-512, BMI1, BMI2, F16C, SHA
- Performance: Precision Boost 2, SMT
- Virtualization: AMD-V
- Security: EVP, NX-Bit, SMAP, SMEP
Notes
    - 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.

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