PC Part DB: Build Smarter: Compare PC part benchmarks & specsPC PART DB

AMD Ryzen 7 7840S vs Intel Core Ultra 7 255H

AMD
VS
Intel
Performance
Ryzen 7 7840S
20,80154% of 38,269
Core Ultra 7 255H2% better
21,20955% of 38,269

The Core Ultra 7 255H has 2% better performance than the Ryzen 7 7840S for the 3DMark 11 Performance Physics benchmark.

Performance per dollar
Ryzen 7 7840S
No data available
Core Ultra 7 255H
No data available

We do not have any performance per dollar data for the Ryzen 7 7840S and the Core Ultra 7 255H for the 3DMark 11 Performance Physics benchmark.

Shop Ryzen 7 7840S
Shop Core Ultra 7 255H
As an Amazon Associate I earn from qualifying purchases.

Summary

#

About the AMD Ryzen 7 7840S CPU

The AMD Ryzen 7 7840S is a 8-core (16-thread) processor built for the mobile CPU market. The 7840S is compatible with FP7 FP7r2 FP8 motherboards and is fabricated on a 4 nm manufacturing process.

Memory and Cache

In terms of cache, the Ryzen 7 7840S has multiple levels of cache. Its L1 cache, which is the smallest and fastest, is 512 KB in size, providing rapid access to crucial instructions. Its L2 cache, at 8 MB, is larger but slower than the L1. Its L3 cache, a shared resource among the CPU's cores, has a capacity of 16 MB.

Cores and Clock Speeds

The Ryzen 7 7840S features 8 total cores which can process 16 threads simultaneously. The multi-threading capability allows the CPU to execute multiple computational tasks in parallel. The base clock speed of the CPU is 3800.0 MHz, and it can boost up to 5100.0 MHz under heavy workloads. Higher clock speeds result in better performance for the same microarchitecture.

Integrated Graphics

The Ryzen 7 7840S does not include an integrated graphics solution. A dedicated graphics card will be required if you require a monitor with your computer.

Benchmark Performance

The Ryzen 7 7840S has the 81st best 3DMark 11 Performance Physics score among the 766 benchmarked CPUs in our database. It achieves 54.35% of the performance of the best benchmarked CPU, the AMD Ryzen 9 9950X.

About the Intel Core Ultra 7 255H CPU

The Intel Core Ultra 7 255H is a 16-core (16-thread) processor built for the mobile CPU market. The Ultra 7 255H is compatible with FCBGA2049 motherboards and is fabricated on a 5 nm manufacturing process.

Memory and Cache

In terms of cache, the Core Ultra 7 255H has a L3 cache with a capacity of 24 MB, providing a shared resource to the CPU's cores.

Cores and Clock Speeds

The Core Ultra 7 255H features 16 total cores which can process 16 threads simultaneously. The multi-threading capability allows the CPU to execute multiple computational tasks in parallel. The 16 cores consist of 6 P-Cores and 10 E-Cores. P-Cores are designed for high-performance tasks and E-Cores are intended for efficiency and lighter tasks. The base clock speed of the CPU is 4400.0 MHz, and it can boost up to 5100.0 MHz under heavy workloads. Higher clock speeds result in better performance for the same microarchitecture.

Integrated Graphics

The Core Ultra 7 255H does not include an integrated graphics solution. A dedicated graphics card will be required if you require a monitor with your computer.

Benchmark Performance

The Core Ultra 7 255H has the 77th best 3DMark 11 Performance Physics score among the 766 benchmarked CPUs in our database. It achieves 55.42% of the performance of the best benchmarked CPU, the AMD Ryzen 9 9950X.

General Info

General overview of the CPU, including details like its manufacturer, release date, launch price, and current production status.

InfoRyzen 7 7840SCore Ultra 7 255H
ManufacturerAMDIntel
Market SegmentMobileMobile
ShopCheck PriceCheck Price

Benchmark Performance

#
Performance
Ryzen 7 7840S
20,80154% of 38,269
Core Ultra 7 255H2% better
21,20955% of 38,269

The Core Ultra 7 255H has 2% better performance than the Ryzen 7 7840S for the 3DMark 11 Performance Physics benchmark.

The Ryzen 7 7840S is ranked 81st with a score of 20,801, and the Core Ultra 7 255H is ranked 77th with a score of 21,209.

Performance per dollar
Ryzen 7 7840S
No data available
Core Ultra 7 255H
No data available

We do not have any performance per dollar data for the Ryzen 7 7840S and the Core Ultra 7 255H for the 3DMark 11 Performance Physics benchmark.

Relative Performance

The average score in the benchmark test can be compared to similar CPUs to assess relative performance. Generally, powerful CPUs tend to have higher scores.

Choose Baseline CPU:Ryzen 7 7840S or
CPUBenchmark Performance
Core i5-13450HX21,982+6%
Ryzen AI Max PRO 39021,922+5%
Core 7 240H21,914+5%
Core i7-12700H21,706+4%
Core Ultra 7 255H21,209+2%
Ryzen 7 7840S20,801
Ryzen 5 7645HX20,726-0%
Ryzen AI 9 HX 37020,686-1%
Core i5-13500H20,615-1%
Core Ultra 7 155H20,611-1%

Relative Value For Money

The average performance per dollar in the benchmark test can be compared to similar CPUs to assess relative value. A higher score implies a better value for your money.

Choose Baseline CPU:Ryzen 7 7840S orCore Ultra 7 255H
CPUPerformance Per Dollar
Our database does not have enough data to compare the benchmark performance per dollar with other CPUs.

Benchmark Scores

This table showcases the average performance scores achieved by both CPUs across industry-standard benchmark tests. These scores provide a valuable insight into overall performance. Powerful CPUs tend to have higher scores.

  • Popular
BenchmarkRyzen 7 7840SCore Ultra 7 255H
3DMark 11 Performance Physics
20,801
21,209
(+1.96%)
3DMark Time Spy CPU
9,676
11,660
(+20.5%)
Cinebench R15 Multi-Core
2,222.8
2,835
(+27.54%)
Cinebench R15 Single-Core
274
317
(+15.69%)
Geekbench 6.2 Multi-Core
12,598
--
Geekbench 6.2 Single-Core
2,605
--
CPU Mark Multi-Thread
25,312
--
CPU Mark Single-Thread
3,551
--
Benchmarks Source: Notebookcheck

Technical Specs

#

Manufacturing Details

Information about the CPU's manufacturing like its foundry, process size, and transistor count.

SpecRyzen 7 7840SCore Ultra 7 255H
ManufacturerAMDIntel
Process Size4 nm5 nm

Cores & Clock Speeds

Processing power information like its cores and clock speed. These specs impact how fast they can handle instructions and tasks. These have a strong impact on the CPU's performance.

SpecRyzen 7 7840SCore Ultra 7 255H
Cores816
Threads1616
Performance Cores (P-cores)--6
Efficient Cores (E-cores)--10
Clock Speed3800.0 MHz4400.0 MHz
Turbo Clock5100.0 MHz5100.0 MHz
P-core Clock--2.0 GHz
P-core Turbo Clock--5.1 GHz
E-core Clock Speed--1.5 GHz
E-core Turbo Clock--4.4 GHz

Cache

CPU cache specs like its L1 & L2 cache. These provide the CPU with a small, but super-fast memory access. A larger cache can improve a CPU's performance.

SpecRyzen 7 7840SCore Ultra 7 255H
L1 Cache512 KB--
L2 Cache8 MB--
L3 Cache16 MB24 MB

Compatibility & Power Consumption

Compatibility and power consumption information like its socket type, thermal design power, power limits. These can help verify the CPU's compatibility with other PC components.

SpecRyzen 7 7840SCore Ultra 7 255H
SocketFP7 FP7r2 FP8FCBGA2049
Thermal Design Power (TDP)35 W28 W
TJ Max100 °C110 °C

Check out these comparisons for similar CPUs:

Looking for alternatives? Check out these similar CPUs:

* Performance rating, performance per dollar, and rankings are based on the 3DMark 11 Performance Physics benchmark and MSRP.