Pentium Gold G6405 vs Ryzen 7 7840S

VS

Aggregate performance score

Ryzen 7 7840S
2023
8 cores / 16 threads, 35 Watt
14.90
+469%
Pentium Gold G6405
2021
2 cores / 4 threads, 15 Watt
2.62

Ryzen 7 7840S outperforms Pentium Gold G6405 by a whopping 469% based on our aggregate benchmark results.

Primary details

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

Place in the ranking4901783
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesPhoenix (Zen 4, Ryzen 7040)no data
Power efficiency40.544.30
DesignerAMDIntel
Architecture codenamePhoenix-HS (Zen 4) (2023)Comet Lake-R (2021)
Release date5 January 2023 (2 years ago)16 March 2021 (3 years ago)
Launch price (MSRP)no data$64

Detailed specifications

Ryzen 7 7840S and Pentium Gold G6405 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 cores8 (Octa-Core)2 (Dual-core)
Threads164
Base clock speed3.8 GHz4.1 GHz
Boost clock speed5.1 GHz4.1 GHz
Bus rateno data8 GT/s
L1 cache512 KB64 KB (per core)
L2 cache8 MB256 KB (per core)
L3 cache16 MB4 MB (shared)
Chip lithography4 nm14 nm
Die size178 mm2no data
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)no data72 °C
64 bit support++
Windows 11 compatibility++

Compatibility

Information on Ryzen 7 7840S and Pentium Gold G6405 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 configurationno data1
SocketFP7/FP7r2/FP8FCLGA1200
Power consumption (TDP)35 Watt15 Watt

Technologies and extensions

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

Instruction set extensionsRyzen 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, SMEIntel® SSE4.1, Intel® SSE4.2
AES-NI++
FMA+-
AVX++
Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data-
Hyper-Threading Technologyno data+
Idle Statesno data+
Thermal Monitoring-+
Turbo Boost Max 3.0no data-

Security technologies

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

TXTno data+
EDBno data+
Secure Keyno data+
Identity Protection-+
SGXno dataYes with Intel® ME
OS Guardno data+

Virtualization technologies

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

VT-dno data+
VT-xno data+
EPTno data+

Memory specs

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

Supported memory typesDDR5DDR4-2666
Maximum memory sizeno data128 GB
Max memory channelsno data2
Maximum memory bandwidthno data41.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardAMD Radeon 780M ( - 2700 MHz)Intel UHD Graphics 610
Max video memoryno data64 GB
Quick Sync Video-+
Clear Videono data+
Clear Video HDno data+
Graphics max frequencyno data1.05 GHz
InTru 3Dno data+

Graphics interfaces

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

Number of displays supportedno data3

Graphics image quality

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

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096x2160@30Hz
Max resolution over eDPno data4096x2304@60Hz
Max resolution over DisplayPortno data4096x2304@60Hz

Graphics API support

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

DirectXno data12
OpenGLno data4.5

Peripherals

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

PCIe versionno data3.0
PCI Express lanesno data16

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.

Ryzen 7 7840S 14.90
+469%
Pentium Gold G6405 2.62

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. Other than that, Passmark measures multi-core performance.

Ryzen 7 7840S 23908
+469%
Pentium Gold G6405 4204

Gaming performance

Pros & cons summary


Performance score 14.90 2.62
Integrated graphics card 15.69 1.63
Recency 5 January 2023 16 March 2021
Physical cores 8 2
Threads 16 4
Chip lithography 4 nm 14 nm
Power consumption (TDP) 35 Watt 15 Watt

Ryzen 7 7840S has a 468.7% higher aggregate performance score, 862.6% faster integrated GPU, an age advantage of 1 year, 300% more physical cores and 300% more threads, and a 250% more advanced lithography process.

Pentium Gold G6405, on the other hand, has 133.3% lower power consumption.

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

Be aware that Ryzen 7 7840S is a notebook processor while Pentium Gold G6405 is a desktop one.

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

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Community ratings

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