Core i7-1255U vs A9-9425

#ad 
Buy on Amazon
VS

Aggregate performance score

A9-9425
2016
2 cores / 2 threads, 15 Watt
1.77
Core i7-1255U
2022
10 cores / 12 threads, 15 Watt
8.88
+402%

Core i7-1255U outperforms A9-9425 by a whopping 402% based on our aggregate benchmark results.

Primary details

Comparing A9-9425 and Core i7-1255U processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking1927802
Place by popularitynot in top-10087
Market segmentLaptopLaptop
SeriesAMD Bristol RidgeIntel Alder Lake-M
Architecture codenameStoney Ridge (2016−2019)Alder Lake-U (2022)
Release date31 May 2016 (8 years ago)23 February 2022 (2 years ago)
Current price$561 no data

Detailed specifications

A9-9425 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 cores2 (Dual-core)10 (Deca-Core)
Threads212
Base clock speed3.1 GHz1.7 GHz
Boost clock speed3.7 GHz4.7 GHz
L1 cache128K (per core)80K (per core)
L2 cache1 MB (per core)1.25 MB (per core)
L3 cacheno data12 MB (shared)
Chip lithography28 nmIntel 7 nm
Die size124.5 mm2no data
Maximum core temperature90 °C100 °C
Maximum case temperature (TCase)74 °Cno data
Number of transistors1,200 millionno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplierNoNo

Compatibility

Information on A9-9425 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
SocketFT4FCBGA1744
Power consumption (TDP)15 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A9-9425 and Core i7-1255U. You'll probably need this information if you require some particular technology.

Instruction set extensionsDDR4-2133 RAM (1 channel), PCIe 3, MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, TBM, FMA4, XOP, SMEP, CPB, AES-NI, RDRANDIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
FMA++
AVX++
Enhanced SpeedStep (EIST)no data+
Speed Shiftno data+
Hyper-Threading Technologyno data+
TSXno data+
Thermal Monitoringno data+
Flex Memory Accessno data+
Statusno dataLaunched

Security technologies

A9-9425 and Core i7-1255U 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 A9-9425 and Core i7-1255U are enumerated here.

AMD-V+no data
VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by A9-9425 and Core i7-1255U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4, DDR5
Maximum memory sizeno data64 GB
Max memory channelsno data2
ECC memory supportno data-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardAMD Radeon R5 (Stoney Ridge)Intel® Iris® Xe Graphics eligible
Quick Sync Videono data+
Graphics max frequencyno data1.25 GHz
Execution Unitsno data96

Graphics interfaces

Available interfaces and connections of A9-9425 and Core i7-1255U integrated GPUs.

Number of displays supportedno data4

Graphics image quality

Maximum display resolutions supported by A9-9425 and Core i7-1255U integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4no data4096 x 2304 @ 60Hz
Max resolution over eDPno data4096 x 2304 @ 120Hz
Max resolution over DisplayPortno data7680 x 4320 @ 60Hz

Graphics API support

APIs supported by A9-9425 and Core i7-1255U integrated GPUs, sometimes API versions are included.

DirectXno data12.1
OpenGLno data4.6

Peripherals

Specifications and connection of peripherals supported by A9-9425 and Core i7-1255U.

PCIe versionno data4.0
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.

A9-9425 1.77
i7-1255U 8.88
+402%

Core i7-1255U outperforms A9-9425 by 402% based on our aggregate benchmark results.


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.

Benchmark coverage: 68%

A9-9425 1511
i7-1255U 13733
+809%

Core i7-1255U outperforms A9-9425 by 809% in Passmark.

Cinebench 15 64-bit multi-core

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

Benchmark coverage: 15%

A9-9425 125
i7-1255U 1400
+1020%

Core i7-1255U outperforms A9-9425 by 1020% in Cinebench 15 64-bit multi-core.

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.

Benchmark coverage: 15%

A9-9425 76
i7-1255U 239
+214%

Core i7-1255U outperforms A9-9425 by 214% in Cinebench 15 64-bit single-core.

Gaming performance

Pros & cons summary


Performance score 1.77 8.88
Recency 31 May 2016 23 February 2022
Physical cores 2 10
Threads 2 12

The Core i7-1255U is our recommended choice as it beats the A9-9425 in performance tests.


Should you still have questions on choice between A9-9425 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 A9-9425
A9-9425
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.


3.5 1506 votes

Rate A9-9425 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.7 703 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 A9-9425 or Core i7-1255U, agree or disagree with our judgements, or report an error or mismatch.