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Intel Core i7-1255U 1.7 GHz 10 core 12th gen processor review full specs

Intel Core i7-1255U specs

Intel Core i7-1255U at 1.7 GHz Top Level processor 12th generation with Alder Lake-U core name, designed for work in Laptops with FCBGA1744 socket, announced in January 07, 2022. The processor created by a 10 nm process. Intel Core i7-1255U has 10 cores and 12 Threads operating at 1.7 GHz (Turbo mode - 4.7 GHz) with typical Thermal Design Power 15 W.
   The others technical specifications and some more information about the processor like Architecture, Overclocking, Die Size, Cashes Size, Memory Specification/Type, Unlocked or not, 64 Bit support and other can be found further down the text.
   You can understand Intel Core i7-1255U is bad or good from testing data and comparisons with other CPUs.
Intel Core i7-1255U review and specs

Intel Core i7-1255U specifications

General Info
NameIntel Core i7-1255U
Core nameAlder Lake-U
Generation12th
Architecturex86
Release dateJanuary 07, 2022
Frequency1.7 GHz
Turbo frequency4.7 GHz
Cores10
Threads12
SocketFCBGA1744
Bus Speed8 GT/s
Thermal Design Power (TDP)15 W
Min TDP10 W
Max. Temperature100 °C
Hyper-threadingYes
L3 Cache24 MB
Cache12 MB
Instruction Set ExtensionsIntel SSE4.2
Intel AVX2
Intel SSE4.1
Word Size64 bit
TSMC FinFET process (Lithography)10 nm
Transistor count9800 million
TechnologiesIntel VT-x with Extended Page Tables (EPT)
Intel Image Processing Unit
Instruction Set
Intel Thread Director
Thermal Monitoring Technologies
Intel High Definition Audio
Intel Volume Management Device (VMD)
Intel Speed Shift Technology
Intel Flex Memory Access
Intel Smart Sound Technology
Intel Hyper-Threading Technology
Intel Adaptix Technology
Instruction Set Extensions
Intel Deep Learning Boost (Intel DL Boost)
Intel Turbo Boost Max Technology 3.0
Intel Virtualization Technology for Directed I/O (VT-d)
Intel Wake on Voice
Intel Virtualization Technology (VT-x)
Intel Gaussian & Neural Accelerator
MIPI SoundWire*
SecurityIntel AES New Instructions
Mode-based Execute Control (MBE)
Intel Boot Guard
Intel OS Guard
Secure Key
Intel Control-Flow Enforcement Technology
Performance
Cinebench R15 Multi-Core1691
Cinebench R15 Single-Core230
Cinebench R20 Multi-Core3839
Cinebench R20 Single-Core554
Cinebench R23 Multi-Core12654
Cinebench R23 Single-Core1297
GeekBench 6, 5.2 Multi-Core6947
GeekBench 6, 5.2 Single-Core1251
PassMark17715
Single Thread Mark3035
Graphics
GPUIntel Iris Xe Graphics eligible
Frequency350 MHz
Max. frequency1250 MHz
Cores96
Graphics technologiesDirectX: 12.1
Intel Quick Sync Video
Max Resolution (eDP - Integrated Flat Panel): 4096 x 2304 at 120Hz
OpenGL: 4.6
Multi-Format Codec Engines
Max Resolution (DP): 7680 x 4320 at 60Hz
Graphics Output: eDP 1.4b, MIPI-DSI 2.0, DP 1.4, HDMI 2.0b
Max Resolution (HDMI): 4096 x 2304 at 60Hz
Max Displays4
Memory
TypeUp to DDR5 4800 MT/s Up to DDR4 3200 MT/s Up to LPDDR5 5200 MT/s Up to LPDDR4x 4267 MT/s
Memory Channels2
Memory Speed45.8 GB/s
Memory Size64 Gb

•  Cinebench r15 score
•  Cinebench r20 score
•  Cinebench r23 score
•  GeekBench 6, 5.2 score


Intel Core i7-1255U Processor Comparisons
• Vs Core i5-1230U
• Vs Core i5-1240U
• Vs Core i7-1250U
• Vs Core i3-1215U
• Vs Core i5-1235U
• Vs Core i5-1245U
• Vs Core i7-1260U
• Vs Ryzen 5 3600
• Vs Ryzen 5 5600H
• Vs Core i5-11500T
• Vs Ryzen 5 PRO 3600
• Vs Core i7-1265U
• Vs Core i5-11600T
• Vs Ryzen 7 Extreme Edition
• Vs Core i7-9800X
• Vs Xeon W-1290T
• Vs Ryzen 5 3600X
• Vs Xeon E5-2697R v4
• Vs Xeon E5-2680R v4
• Vs Core i5-11400F
• Vs Core i9-9900K
• Vs Ryzen 5 3600XT
• Vs Core i3-1220P
• Vs Core i9-9900KF
• Vs Core i5-11400
• Vs Ryzen 7 4800HS
• Vs Ryzen 7 4800H
• Vs Ryzen 9 4900H
• Vs Core i5-11400H
• Vs Core i5-11500
• Vs Core i7-7900X
• Vs Core i7-10700K
• Vs Core i9-9900KS
• Vs Core i7-10700KF
• Vs Core i5-11600
• Vs Core i9-10900E
• Vs Core i5-11400T
• Vs Core i7-7820X
• Vs Core i7-10700F
• Vs Core i7-6950X
• Vs Core i9-9900
• Vs Core i7-11800H
• Vs Ryzen Threadripper 1900X
• Vs Ryzen 7 PRO 2700X
• Vs Core i9-10900T
• Vs Ryzen 5 PRO 4650G
• Vs Core i9-10980HK
• Vs Core i9-10900TE
• Vs Ryzen 5 PRO 4400G
• Vs Ryzen 5 4600G
• Vs Ryzen 5 PRO 4650GE
• Vs Ryzen 5 4600GE
• Vs Ryzen 7 1800X
• Vs Core i9-10885H
• Vs Core i7-10870H
• Vs Core i7-10875H
• Vs Ryzen 7 PRO 1700X
• Vs Core i3-12100TE
• Vs Ryzen 5 PRO 5675U
• Vs Ryzen 5 PRO 5650GE
• Vs Core i7-1265UE
• Vs Core i7-1255UL
• Vs Core i5-1235UL
• Vs Core i5-1245UL
• Vs Core i5-1245UE
• Vs Core i3-1215UL
• Vs Core i3-1220PE
• Vs Core i3-N305
• Vs Core i3-N300
• Vs Core i7-13700H
• Vs Core i7-1360P
• Vs Core i5-1350P
• Vs Core i5-1340P
• Vs Core i5-13500HX
• Vs Core i5-13600H
• Vs Core i5-1345U
• Vs Core i5-1335U
• Vs Core i5-1334U
• Vs Core i5-13420H
• Vs Core i7-1355U
• Vs Core i7-1365U
• Vs Core i3-1315U
• Vs Core i3-1305U
• Vs Core i7-1370P
• Vs Core i7-13620H
• Vs Core i7-13650HX
• Vs Core i7-13705H
• Vs Core i7-13800H
• Vs Core i5-8350U
• Vs Core i7-8650U
• Vs Ryzen 7 3750H
• Vs Core i7-12700H
• Vs Core i9-9880H
• Vs Ryzen 5 5625C
• Vs Ryzen 7 5825C
• Vs Ryzen 9 7845HX
• Vs Ryzen 7 7745HX
• Vs Ryzen 5 7645HX
• Vs Ryzen 9 7940HS
• Vs Ryzen 7 7735U
• Vs Ryzen 3 7335U
• Vs Ryzen 7 7730U
• Vs Ryzen 5 7530U
• Vs Ryzen 3 7330U

Intel Core i7-1255U review

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