AMD Ryzen 7 7840U

Cores: 8
L3 cache: 16MB (shared)
TDP: 15-30 W
Transistor size: 4 nm

Ryzen 7 7840U - laptop processor produced by Amd for socket FP8 that has 8 cores and 16 threads. The base clock frequency of the CPU is 3300 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

81

Multi-Core Performance

47

Power Efficiency

84

Integrated Graphics

83

NanoReview Final Score

69

Cinebench R23

Reputable cross-platform benchmark for high-performance processors

Cinebench R23 (Single-Core)

1742

Cinebench R23 (Multi-Core)

12788

Cinebench R23 Scores - 147th place

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GeekBench v6

The new version of this benchmark emulates common operations often used in real-world apps

Geekbench 6 (Single-Core)

2482

Geekbench 6 (Multi-Core)

11509

File compression	1140 MB/sec
Clang compilation	98.6 Klines/sec
HTML 5 Browser	226 pages/sec
PDF Renderer	324.6 Mpixels/sec
Text processing	244.9 pages/sec
Background blur	34.9 images/sec
Photo processing	87.5 images/sec
Ray tracing	21.4 Mpixels/sec

Sources: GeekBench [1]

PassMark

Synthetic test that focuses on raw computational performance for low-level functions

Passmark CPU (Single-Core)

3597

Passmark CPU (Multi-Core)

25003

Integer math	92.3 GOps/sec
Floating point math	52.7 GOps/sec
Find prime numbers	81M Primes/sec
Random string sorting	33.1M Strings/sec
Data encryption	17.8 GBytes/sec
Data compression	292.4 MBytes/sec
Physics	1258 Frames/sec
Extended instructions	20.7B Matrices/sec

Sources: PassMark [3]

General

Vendor	Amd
Released	May 3, 2023
Type	Laptop
instruction set	x86-64
Codename	Zen 4 (Phoenix)
Integrated GPU	Radeon 780M

Laptop processors ranking - 40th place

CPU

Performance Cores
P-Cores	8
P-Threads	16
Base Frequency (P)	3.3 GHz
Turbo Boost Frequency (P)	5.1 GHz

Total
Total Cores	8
Total Threads	16
Bus Frequency	100 MHz
Multiplier	33x
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)	15-30 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

iGPU FLOPS

4.15 TFLOPS

Memory Support

Memory types	- DDR5-5600 - LPDDR5x-7500
Memory Size	256 GB
Max. Memory Channels	2
ECC Support	No

Misc

Official site	AMD Ryzen 7 7840U official page
PCI Express Version	4.0
PCI Express Lanes	20

Сompetitors

1. AMD Ryzen 7 7840U vs AMD Ryzen 7 8840U

2. AMD Ryzen 7 7840U vs Intel Core Ultra 7 155H

3. AMD Ryzen 7 7840U vs AMD Ryzen 7 7840HS

4. AMD Ryzen 7 7840U vs Intel Core i7 1360P

5. AMD Ryzen 7 7840U vs Intel Core i7 1370P

6. AMD Ryzen 7 7840U vs Intel Core i7 13700H

7. AMD Ryzen 7 7840U vs Intel Core Ultra 7 165H

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