Ultra 7 265K vs Pentium Gold G6405

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Aggregate performance score

Pentium Gold G6405
2021
2 cores / 4 threads, 15 Watt
2.67
Core Ultra 7 265K
2024
20 cores / 20 threads, 125 Watt
37.13
+1291%

Core Ultra 7 265K outperforms Pentium Gold G6405 by a whopping 1291% based on our aggregate benchmark results.

Primary details

Comparing Pentium Gold G6405 and Core Ultra 7 265K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking171888
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data94.18
Market segmentDesktop processorDesktop processor
Power efficiency4.3327.96
Architecture codenameComet Lake-R (2021)Arrow Lake-S (2024−2025)
Release date16 March 2021 (3 years ago)24 October 2024 (less than a year ago)
Launch price (MSRP)$64$394

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Pentium Gold G6405 and Core Ultra 7 265K 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)20 (Icosa-Core)
Threads420
Base clock speed4.1 GHz3.9 GHz
Boost clock speed4.1 GHz5.5 GHz
Bus rate8 GT/sno data
L1 cache64 KB (per core)112 KB (per core)
L2 cache256 KB (per core)3 MB (per core)
L3 cache4 MB (shared)30 MB (shared)
Chip lithography14 nm3 nm
Die sizeno data243 mm2
Maximum core temperature100 °Cno data
Maximum case temperature (TCase)72 °Cno data
Number of transistorsno data17,800 million
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier-+

Compatibility

Information on Pentium Gold G6405 and Core Ultra 7 265K 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
SocketFCLGA12001851
Power consumption (TDP)15 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium Gold G6405 and Core Ultra 7 265K. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2no data
AES-NI++
AVX++
vProno data+
Enhanced SpeedStep (EIST)++
Turbo Boost Technology-no data
Hyper-Threading Technology+no data
TSX-+
Idle States+no data
Thermal Monitoring+-
SIPP-+
Turbo Boost Max 3.0-no data

Security technologies

Pentium Gold G6405 and Core Ultra 7 265K technologies aimed at improving security, for example, by protecting against hacks.

TXT++
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 Core Ultra 7 265K are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium Gold G6405 and Core Ultra 7 265K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2666DDR5 Depends on motherboard
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 cardIntel UHD Graphics 610Arc Xe2 Graphics 64EU
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 Core Ultra 7 265K integrated GPUs.

Number of displays supported3no data

Graphics image quality

Maximum display resolutions supported by Pentium Gold G6405 and Core Ultra 7 265K 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 Core Ultra 7 265K integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Pentium Gold G6405 and Core Ultra 7 265K.

PCIe version3.05.0
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 2.67
Ultra 7 265K 37.13
+1291%

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 4245
Ultra 7 265K 58974
+1289%

Gaming performance

Pros & cons summary


Performance score 2.67 37.13
Recency 16 March 2021 24 October 2024
Physical cores 2 20
Threads 4 20
Chip lithography 14 nm 3 nm
Power consumption (TDP) 15 Watt 125 Watt

Pentium Gold G6405 has 733.3% lower power consumption.

Ultra 7 265K, on the other hand, has a 1290.6% higher aggregate performance score, an age advantage of 3 years, 900% more physical cores and 400% more threads, and a 366.7% more advanced lithography process.

The Core Ultra 7 265K is our recommended choice as it beats the Pentium Gold G6405 in performance tests.


Should you still have questions on choice between Pentium Gold G6405 and Core Ultra 7 265K, ask them in Comments section, and we shall answer.

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Intel Pentium Gold G6405
Pentium Gold G6405
Intel Core Ultra 7 265K
Core Ultra 7 265K

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Community ratings

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Questions & comments

Here you can ask a question about Pentium Gold G6405 or Core Ultra 7 265K, agree or disagree with our judgements, or report an error or mismatch.