Home/Processors/AMD Ryzen 7 7840HS
AMD Ryzen 7 7840HS
AMD Laptop CPU

AMD Ryzen 7 7840HS

61B
Cores8
Threads16
Boost Clock5.1 GHz
TDP35-54 W (configurable)
SocketFP8
Process4 nm
⇄ Compare with…

Benchmarks

Perf.56
iGPU81
Energy69
Cinebench 2024 Single-Core102
Cinebench 2024 Multi-Core911
TDP35-54 W
Cache L316MB
Cinebench 2024 (Single)102
Cinebench 2024 (Multi)911
Geekbench 6 (Single-Core)2577
Geekbench 6 (Multi-Core)12,085
Passmark CPU (Single-Core)3708
Passmark CPU (Multi-Core)28,292
Blender CPU218.59
iGPU FLOPS4.1 TFLOPS

Full specifications

GeekBench v6

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

PassMark

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

Performance Per Watt

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

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

P-Cores
8
P-Threads
16
Base Frequency (P)
3.8 GHz
Turbo Boost Frequency (P)
5.1 GHz
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
100°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

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

Specifications compiled from NanoReview. Last updated 2026-09-29.

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