Ryzen 7 7840HS vs Pentium Gold G6405

Aggregate performance score

Pentium Gold G6405
2021
2 cores / 4 threads, 15 Watt
2.77
Ryzen 7 7840HS
2023
8 cores / 16 threads, 35 Watt
18.89
+582%

Ryzen 7 7840HS outperforms Pentium Gold G6405 by a whopping 582% based on our aggregate benchmark results.

Primary details

Comparing Pentium Gold G6405 and Ryzen 7 7840HS processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1701326
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Power efficiency4.3549.21
Architecture codenameComet Lake-R (2021)Phoenix-HS (Zen 4) (2023)
Release date16 March 2021 (3 years ago)January 2023 (1 year ago)
Launch price (MSRP)$64no data

Detailed specifications

Pentium Gold G6405 and Ryzen 7 7840HS basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores2 (Dual-core)8 (Octa-Core)
Threads416
Base clock speed4.1 GHz3.8 GHz
Boost clock speed4.1 GHz5.1 GHz
Bus rate8 GT/sno data
L1 cache64 KB (per core)64K (per core)
L2 cache256 KB (per core)1 MB (per core)
L3 cache4 MB (shared)16 MB (shared)
Chip lithography14 nm4 nm
Die sizeno data178 mm2
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)72 °Cno data
Number of transistorsno data25,000 million
64 bit support++
Windows 11 compatibility++

Compatibility

Information on Pentium Gold G6405 and Ryzen 7 7840HS compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration11
SocketFCLGA1200FP8
Power consumption (TDP)15 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium Gold G6405 and Ryzen 7 7840HS. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2Ryzen AI, MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME
AES-NI++
FMA-+
AVX++
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology-no data
Hyper-Threading Technology+no data
Idle States+no data
Thermal Monitoring+-
Turbo Boost Max 3.0-no data
Precision Boost 2no data+

Security technologies

Pentium Gold G6405 and Ryzen 7 7840HS technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB+no data
Secure Key+no data
Identity Protection+-
SGXYes with Intel® MEno data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium Gold G6405 and Ryzen 7 7840HS are enumerated here.

AMD-V-+
VT-d+no data
VT-x+no data
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium Gold G6405 and Ryzen 7 7840HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2666DDR5
Maximum memory size128 GBno data
Max memory channels2no data
Maximum memory bandwidth41.6 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel UHD Graphics 610AMD Radeon 780M
Max video memory64 GBno data
Quick Sync Video+-
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1.05 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Pentium Gold G6405 and Ryzen 7 7840HS integrated GPUs.

Number of displays supported3no data

Graphics image quality

Maximum display resolutions supported by Pentium Gold G6405 and Ryzen 7 7840HS integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096x2160@30Hzno data
Max resolution over eDP4096x2304@60Hzno data
Max resolution over DisplayPort4096x2304@60Hzno data

Graphics API support

APIs supported by Pentium Gold G6405 and Ryzen 7 7840HS integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Pentium Gold G6405 and Ryzen 7 7840HS.

PCIe version3.04.0
PCI Express lanes1620

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Pentium Gold G6405 2.77
Ryzen 7 7840HS 18.89
+582%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Pentium Gold G6405 4244
Ryzen 7 7840HS 28902
+581%

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Pentium Gold G6405 844
Ryzen 7 7840HS 2366
+180%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Pentium Gold G6405 1719
Ryzen 7 7840HS 10997
+540%

Gaming performance

Pros & cons summary


Performance score 2.77 18.89
Integrated graphics card 1.89 18.27
Physical cores 2 8
Threads 4 16
Chip lithography 14 nm 4 nm
Power consumption (TDP) 15 Watt 35 Watt

Pentium Gold G6405 has 133.3% lower power consumption.

Ryzen 7 7840HS, on the other hand, has a 581.9% higher aggregate performance score, 866.7% faster integrated GPU, 300% more physical cores and 300% more threads, and a 250% more advanced lithography process.

The Ryzen 7 7840HS is our recommended choice as it beats the Pentium Gold G6405 in performance tests.

Note that Pentium Gold G6405 is a desktop processor while Ryzen 7 7840HS is a notebook one.


Should you still have questions on choice between Pentium Gold G6405 and Ryzen 7 7840HS, ask them in Comments section, and we shall answer.

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Intel Pentium Gold G6405
Pentium Gold G6405
AMD Ryzen 7 7840HS
Ryzen 7 7840HS

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Community ratings

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