Pentium Extreme Edition 965 vs i7-1255U

VS

Aggregate performance score

Core i7-1255U
2022
10 cores / 12 threads, 15 Watt
8.53
+1276%
Pentium Extreme Edition 965
2006
2 cores / 4 threads, 130 Watt
0.62

Core i7-1255U outperforms Pentium Extreme Edition 965 by a whopping 1276% based on our aggregate benchmark results.

Primary details

Comparing Core i7-1255U and Pentium Extreme Edition 965 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking8952791
Place by popularity74not in top-100
Market segmentLaptopDesktop processor
SeriesIntel Alder Lake-Mno data
Power efficiency53.820.45
Architecture codenameAlder Lake-U (2022)Presler (2005−2007)
Release date23 February 2022 (2 years ago)26 March 2006 (18 years ago)
Launch price (MSRP)no data$999

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-1255U and Pentium Extreme Edition 965 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 cores10 (Deca-Core)2 (Dual-core)
Threads124
Base clock speed1.7 GHz3.733 GHz
Boost clock speed4.7 GHz0.73 GHz
L1 cache80K (per core)16 KB (per core)
L2 cache1.25 MB (per core)2 MB (per core)
L3 cache12 MB (shared)no data
Chip lithographyIntel 7 nm65 nm
Die sizeno data2x 81 mm2
Maximum core temperature100 °Cno data
Maximum case temperature (TCase)no data67 °C
Number of transistorsno data376 million
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier-+

Compatibility

Information on Core i7-1255U and Pentium Extreme Edition 965 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
SocketFCBGA1744775
Power consumption (TDP)15 Watt130 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-1255U and Pentium Extreme Edition 965. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2no data
AES-NI+-
FMA+-
AVX+-
Enhanced SpeedStep (EIST)+no data
Speed Shift+no data
Hyper-Threading Technology+no data
TSX+-
Thermal Monitoring+-
Flex Memory Access+no data
Deep Learning Boost+-

Security technologies

Core i7-1255U and Pentium Extreme Edition 965 technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB+no data
Secure Key+no data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-1255U and Pentium Extreme Edition 965 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-1255U and Pentium Extreme Edition 965. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4, DDR5DDR1, DDR2, DDR3 Depends on motherboard
Maximum memory size64 GBno data
Max memory channels2no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel® Iris® Xe Graphics eligibleOn certain motherboards (Chipset feature)
Quick Sync Video+-
Graphics max frequency1.25 GHzno data
Execution Units96no data

Graphics interfaces

Available interfaces and connections of Core i7-1255U and Pentium Extreme Edition 965 integrated GPUs.

Number of displays supported4no data

Graphics image quality

Maximum display resolutions supported by Core i7-1255U and Pentium Extreme Edition 965 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.44096 x 2304 @ 60Hzno data
Max resolution over eDP4096 x 2304 @ 120Hzno data
Max resolution over DisplayPort7680 x 4320 @ 60Hzno data

Graphics API support

APIs supported by Core i7-1255U and Pentium Extreme Edition 965 integrated GPUs, sometimes API versions are included.

DirectX12.1no data
OpenGL4.6no data

Peripherals

Specifications and connection of peripherals supported by Core i7-1255U and Pentium Extreme Edition 965.

PCIe version4.0no data
PCI Express lanes20no data

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.

i7-1255U 8.53
+1276%
Pentium Extreme Edition 965 0.62

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.

i7-1255U 13545
+1272%
Pentium Extreme Edition 965 987

Gaming performance

Pros & cons summary


Performance score 8.53 0.62
Recency 23 February 2022 26 March 2006
Physical cores 10 2
Threads 12 4
Power consumption (TDP) 15 Watt 130 Watt

i7-1255U has a 1275.8% higher aggregate performance score, an age advantage of 15 years, 400% more physical cores and 200% more threads, and 766.7% lower power consumption.

The Core i7-1255U is our recommended choice as it beats the Pentium Extreme Edition 965 in performance tests.

Be aware that Core i7-1255U is a notebook processor while Pentium Extreme Edition 965 is a desktop one.


Should you still have questions on choice between Core i7-1255U and Pentium Extreme Edition 965, ask them in Comments section, and we shall answer.

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Intel Core i7-1255U
Core i7-1255U
Intel Pentium Extreme Edition 965
Pentium Extreme Edition 965

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Community ratings

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Questions & comments

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