i7-1265U vs Ryzen 7 3800XT

Aggregate performance score

Ryzen 7 3800XT
2020
8 cores / 16 threads, 105 Watt
15.14
+70.9%
Core i7-1265U
2022
10 cores / 12 threads, 15 Watt
8.86

Ryzen 7 3800XT outperforms Core i7-1265U by an impressive 71% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 7 3800XT and Core i7-1265U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking473867
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation19.81no data
Market segmentDesktop processorLaptop
SeriesAMD Ryzen 7Intel Alder Lake-M
Power efficiency13.3954.86
Architecture codenameMatisse (Zen 2) (2019−2020)Alder Lake-U (2022)
Release date16 June 2020 (4 years ago)23 February 2022 (2 years ago)
Launch price (MSRP)$399no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Ryzen 7 3800XT and Core i7-1265U 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)10 (Deca-Core)
Threads1612
Base clock speed3.8 GHz1.8 GHz
Boost clock speed4.7 GHz4.8 GHz
L1 cache512 KB80K (per core)
L2 cache4 MB1.25 MB (per core)
L3 cache32 MB12 MB (shared)
Chip lithography7 nm, 12 nmIntel 7 nm
Die size74 mm2no data
Maximum core temperature95 °C100 °C
Maximum case temperature (TCase)95 °Cno data
Number of transistors3,800 millionno data
64 bit support++
Windows 11 compatibility++
Unlocked multiplier+-

Compatibility

Information on Ryzen 7 3800XT and Core i7-1265U 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
SocketAM4FCBGA1744
Power consumption (TDP)105 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 7 3800XT and Core i7-1265U. You'll probably need this information if you require some particular technology.

Instruction set extensionsMMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SMEIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
FMA++
AVX++
vProno data+
Enhanced SpeedStep (EIST)no data+
Speed Shiftno data+
Hyper-Threading Technologyno data+
TSX-+
Thermal Monitoring-+
Flex Memory Accessno data+
SIPP-+
Precision Boost 2+no data
Deep Learning Boost-+

Security technologies

Ryzen 7 3800XT and Core i7-1265U technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+
Secure Keyno data+
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 7 3800XT and Core i7-1265U are enumerated here.

AMD-V+-
VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 7 3800XT and Core i7-1265U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4, DDR5
Maximum memory size128 GB64 GB
Max memory channels22
Maximum memory bandwidth51.196 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card-Intel® Iris® Xe Graphics eligible
Quick Sync Video-+
Graphics max frequency-1.25 GHz
Execution Units-96

Graphics interfaces

Available interfaces and connections of Ryzen 7 3800XT and Core i7-1265U integrated GPUs.

Number of displays supported-4

Graphics image quality

Maximum display resolutions supported by Ryzen 7 3800XT and Core i7-1265U integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4-4096 x 2304 @ 60Hz
Max resolution over eDP-4096 x 2304 @ 120Hz
Max resolution over DisplayPort-7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Ryzen 7 3800XT and Core i7-1265U integrated GPUs, sometimes API versions are included.

DirectX-12.1
OpenGL-4.6

Peripherals

Specifications and connection of peripherals supported by Ryzen 7 3800XT and Core i7-1265U.

PCIe version4.04.0
PCI Express lanesno data20

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.

Ryzen 7 3800XT 15.14
+70.9%
i7-1265U 8.86

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.

Ryzen 7 3800XT 23603
+71%
i7-1265U 13806

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.

Ryzen 7 3800XT 1771
i7-1265U 1944
+9.8%

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.

Ryzen 7 3800XT 8543
+35%
i7-1265U 6326

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

Ryzen 7 3800XT 6035
i7-1265U 8549
+41.7%

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

Ryzen 7 3800XT 40528
+6.2%
i7-1265U 38152

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

Ryzen 7 3800XT 3.74
+40.1%
i7-1265U 5.24

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

Ryzen 7 3800XT 24
+46.7%
i7-1265U 16

Cinebench 15 64-bit multi-core

Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.

Ryzen 7 3800XT 2230
+65.9%
i7-1265U 1345

Cinebench 15 64-bit single-core

Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.

Ryzen 7 3800XT 219
i7-1265U 240
+9.6%

Cinebench 11.5 64-bit single-core

Cinebench R11.5 is an old benchmark by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version loads a single thread with ray tracing to render a glossy room full of crystal spheres and light sources.

Ryzen 7 3800XT 2.36
i7-1265U 2.99
+26.7%

TrueCrypt AES

TrueCrypt is a discontinued piece of software that was widely used for on-the-fly-encryption of disk partitions, now superseded by VeraCrypt. It contains several embedded performance tests, one of them being TrueCrypt AES, which measures data encryption speed using AES algorithm. Result is encryption speed in gigabytes per second.

Ryzen 7 3800XT 11.4
+17.5%
i7-1265U 9.7

x264 encoding pass 2

x264 Pass 2 is a slower variant of x264 video compression that produces a variable bit rate output file, which results in better quality since the higher bit rate is used when it is needed more. Benchmark result is still measured in frames per second.  

Ryzen 7 3800XT 119
+47%
i7-1265U 81

x264 encoding pass 1

x264 version 4.0 is a video encoding benchmark uses MPEG 4 x264 compression method to compress a sample HD (720p) video. Pass 1 is a faster variant that produces a constant bit rate output file. Its result is measured in frames per second, which means how many frames of the source video file were encoded per second.  

Ryzen 7 3800XT 271
+2.1%
i7-1265U 266

WinRAR 4.0

WinRAR 4.0 is an outdated version of a popular file archiver. It contains an internal speed test, using 'Best' setting of RAR compression on large chunks of randomly generated data. Its results are measured in kilobytes per second.

Ryzen 7 3800XT 7467
+25.3%
i7-1265U 5960

Geekbench 5.5 Multi-Core

Ryzen 7 3800XT 8948
+10.1%
i7-1265U 8127

Blender(-)

Ryzen 7 3800XT 223
i7-1265U 424
+90.2%

Geekbench 5.5 Single-Core

Ryzen 7 3800XT 1353
i7-1265U 1740
+28.6%

7-Zip Single

Ryzen 7 3800XT 5516
+4.4%
i7-1265U 5286

7-Zip

Ryzen 7 3800XT 59247
+72.2%
i7-1265U 34399

WebXPRT 3

Ryzen 7 3800XT 249
i7-1265U 280
+12.2%

Gaming performance

Pros & cons summary


Performance score 15.14 8.86
Recency 16 June 2020 23 February 2022
Physical cores 8 10
Threads 16 12
Power consumption (TDP) 105 Watt 15 Watt

Ryzen 7 3800XT has a 70.9% higher aggregate performance score, and 33.3% more threads.

i7-1265U, on the other hand, has an age advantage of 1 year, 25% more physical cores, and 600% lower power consumption.

The Ryzen 7 3800XT is our recommended choice as it beats the Core i7-1265U in performance tests.

Note that Ryzen 7 3800XT is a desktop processor while Core i7-1265U is a notebook one.


Should you still have questions on choice between Ryzen 7 3800XT and Core i7-1265U, ask them in Comments section, and we shall answer.

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Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


AMD Ryzen 7 3800XT
Ryzen 7 3800XT
Intel Core i7-1265U
Core i7-1265U

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Community ratings

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Questions & comments

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