i7-1255U vs Ryzen 9 5950X

#ad 
Buy on Amazon
VS

Aggregate performance score

Ryzen 9 5950X
2020
16 cores / 32 threads, 105 Watt
28.70
+236%
Core i7-1255U
2022
10 cores / 12 threads, 15 Watt
8.53

Ryzen 9 5950X outperforms Core i7-1255U by a whopping 236% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 9 5950X and Core i7-1255U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking160896
Place by popularitynot in top-10074
Cost-effectiveness evaluation27.75no data
Market segmentDesktop processorLaptop
SeriesAMD Ryzen 9Intel Alder Lake-M
Power efficiency25.8553.78
Architecture codenameVermeer (Zen 3) (2020−2022)Alder Lake-U (2022)
Release date5 November 2020 (4 years ago)23 February 2022 (2 years ago)
Launch price (MSRP)$799no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Ryzen 9 5950X and Core i7-1255U 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 cores16 (Hexadeca-Core)10 (Deca-Core)
Threads3212
Base clock speed3.4 GHz1.7 GHz
Boost clock speed4.9 GHz4.7 GHz
Multiplier34no data
L1 cache64K (per core)80K (per core)
L2 cache512K (per core)1.25 MB (per core)
L3 cache64 MB12 MB (shared)
Chip lithography7 nm, 12 nm10 nm
Die sizeCPU cores: 2x 80.7 sq. mm., I/O: 125 mm2no data
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)95 °Cno data
64 bit support++
Windows 11 compatibility++
Unlocked multiplier+-

Compatibility

Information on Ryzen 9 5950X and Core i7-1255U 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
SocketAM4Intel BGA 1744
Power consumption (TDP)105 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 5950X and Core i7-1255U. You'll probably need this information if you require some particular technology.

Instruction set extensionsMMX (+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A, AES, AVX, AVX2, FMA3, SHAno data
AES-NI++
FMA-+
AVX++
Enhanced SpeedStep (EIST)no data+
TSX-+
Precision Boost 2+no data

Security technologies

Ryzen 9 5950X and Core i7-1255U technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 5950X and Core i7-1255U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 5950X and Core i7-1255U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4, DDR5
Maximum memory size128 GBno data
Max memory channels2no data
Maximum memory bandwidth51.196 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card-Intel Iris Xe Graphics G7 96EUs ( - 1250 MHz)

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 5950X and Core i7-1255U.

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 9 5950X 28.70
+236%
i7-1255U 8.53

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 9 5950X 45593
+237%
i7-1255U 13544

Cinebench 15 64-bit multi-core

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

Ryzen 9 5950X 4324
+211%
i7-1255U 1389

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 9 5950X 267
+12%
i7-1255U 238

Geekbench 5.5 Multi-Core

Ryzen 9 5950X 16248
+104%
i7-1255U 7982

Blender(-)

Ryzen 9 5950X 118
i7-1255U 396
+236%

Geekbench 5.5 Single-Core

Ryzen 9 5950X 1652
i7-1255U 1661
+0.6%

7-Zip Single

Ryzen 9 5950X 6852
+30.6%
i7-1255U 5248

7-Zip

Ryzen 9 5950X 122978
+235%
i7-1255U 36691

WebXPRT 3

Ryzen 9 5950X 290
+5.3%
i7-1255U 275

CrossMark Overall

Ryzen 9 5950X 1495
+2.1%
i7-1255U 1465

Gaming performance

Pros & cons summary


Performance score 28.70 8.53
Recency 5 November 2020 23 February 2022
Physical cores 16 10
Threads 32 12
Chip lithography 7 nm 10 nm
Power consumption (TDP) 105 Watt 15 Watt

Ryzen 9 5950X has a 236.5% higher aggregate performance score, 60% more physical cores and 166.7% more threads, and a 42.9% more advanced lithography process.

i7-1255U, on the other hand, has an age advantage of 1 year, and 600% lower power consumption.

The Ryzen 9 5950X is our recommended choice as it beats the Core i7-1255U in performance tests.

Note that Ryzen 9 5950X is a desktop processor while Core i7-1255U is a notebook one.


Should you still have questions on choice between Ryzen 9 5950X and Core i7-1255U, ask them in Comments section, and we shall answer.

Vote for your favorite

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


AMD Ryzen 9 5950X
Ryzen 9 5950X
Intel Core i7-1255U
Core i7-1255U

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


4.5 2579 votes

Rate Ryzen 9 5950X on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.7 823 votes

Rate Core i7-1255U on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Ryzen 9 5950X or Core i7-1255U, agree or disagree with our judgements, or report an error or mismatch.