AMD Ryzen 7 7840HS vs Intel Core i7 7700K

Compared 2 processors: AMD Ryzen 7 7840HS, vs Intel Core i7 7700K. Below are specs, tests, pros and cons for each device

Review

Key Specs AMD Ryzen 7 7840HS and Intel Core i7 7700K
Single-Thread Perf.
Single-Core Benchmark Score
Multi-Thread Perf.
Multi-Core Benchmark Score
Energy Efficiency
Chip Power Efficiency
Integrated Graphics
iGPU Performance in Games & 3D
NanoReview Score
Overall score by NanoReview

Tests & specs

Specs & test comparison

Benchmarks

CPU performance comparison across tasks
Cinebench R23
Cinebench R23 (Single-Core)
AMD Ryzen 7 7840HS
1793
Intel Core i7 7700K
1216
Cinebench R23 (Multi-Core)
AMD Ryzen 7 7840HS
17088
Intel Core i7 7700K
5902
Cinebench 2024
Cinebench 2024 (Single-Core)
AMD Ryzen 7 7840HS
101
Intel Core i7 7700K
67
Cinebench 2024 (Single-Core)
AMD Ryzen 7 7840HS
944
Intel Core i7 7700K
322
PassMark
PassMark CPU (Single-Core)
AMD Ryzen 7 7840HS
3772
Intel Core i7 7700K
2710
PassMark CPU (Multi-Core)
AMD Ryzen 7 7840HS
28807
Intel Core i7 7700K
9630
Integer Math99.4 GOps/s30.6 GOps/s
Floating-Point Math60.4 GOps/s18.7 GOps/s
Prime Number Search89 M primes/s31 M primes/s
Random String Sort40.3 M strings/s17.2 M strings/s
Data Encryption20.8 GB/s3.3 GB/s
Data Compression348.1 MB/s136.9 MB/s
Physics1385 frames/s657 frames/s
Extended Instructions259 M matrices/s89 M matrices/s
GeekBench v6
Geekbench 6 (Single-Core)
AMD Ryzen 7 7840HS
2577
Intel Core i7 7700K
1516
Geekbench 6 (Multi-Core)
AMD Ryzen 7 7840HS
12085
Intel Core i7 7700K
5290
File Compression1120 MB/s456.6 MB/s
Clang Compilation102.5 KLines/s37.9 KLines/s
HTML5 Browser217.2 pages/s115.7 pages/s
PDF Rendering350 MP/sec162.6 MP/sec
Text Processing251.8 pages/s152.5 pages/s
Background Blur59.4 frames/s28.7 frames/s
Photo Processing87.6 frames/s53.4 frames/s
Ray Tracing22.5 MP/sec7.57 MP/sec

Blender

Real-world 3D modeling test
Blender CPU
AMD Ryzen 7 7840HS
218.59
Intel Core i7 7700K
85.49

Performance/Watt

Points per watt of PL1 TDP
Geekbench 6 Multi / W 223.8 PPW 58.1 PPW
PassMark CPU / W 533.5 PPW 105.8 PPW
Cinebench 2024 / W 17.5 PPW 3.5 PPW
Blender / W 4.05 PPW 0.94 PPW

General Info

Manufacturer AMD Intel
Announced January, 4, 2023 January, 3, 2017
Type Laptop use PC use
Architecture x86-64 x86-64
Codename Zen 4 (Phoenix) Kaby Lake
Model number n/a i7-7700K
Integrated GPU Radeon 780M HD Graphics 630

Processor

Performance cores
Cores 8 4
Threads 16 8
Frequency 3.8 GHz 4.2 GHz
Max Frequency (Turbo) 5.1 GHz 4.5 GHz
General
Cores count84
Threads count168
Bus frequency100 MHz42 MHz
Bandwidthn/a8 GT/s
Multiplier38x100
L1 cache64 KB/core64 KB/core
L2 cache1000 KB/core256 KB/core
L3 Cache16 MB total8 MB total
Unlocked multiplierNoYes

Package

Transistor count 25 billion n/a
Process tech. 4 nm 14 nm
Power (TDP) 35-54 W 91 W
Socket FP8 LGA-1151
Critical temp. 100 °C 100 °C

Memory Support

Memory Type - DDR5-5600
- LPDDR5x-7500
- DDR4-2400
- DDR3L-1600
Max Size 256 GB 64 GB
Channels 2 2
ECC support Yes No
Max memory bandwidth n/a 35.76 GB

Other

PCIe Version 4.0 3.0
Max PCIe Lanes 20 16
Channels n/a 41422

Note

AMD 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.

Results

After analyzing the data, we consider AMD Ryzen 7 7840HS the clear winner in this comparison.

Survey

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