Intel Core i7-1255U vs Intel Core i7-6700TE

Comparative analysis of Intel Core i7-1255U and Intel Core i7-6700TE processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Graphics image quality, Graphics API support, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Core i7-1255U

Intel Core i7-6700TE

Differences

Reasons to consider the Intel Core i7-1255U

CPU is newer: launch date 6 year(s) 4 month(s) later
6 more cores, run more applications at once: 10 vs 4
4 more threads: 12 vs 8
Around 38% higher clock speed: 4.70 GHz vs 3.40 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm vs 14 nm
3.1x more L1 cache, more data can be stored in the L1 cache for quick access later
12.5x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 50% more L3 cache; more data can be stored in the L3 cache for quick access later
2.3x lower typical power consumption: 15 Watt vs 35 Watt
Around 60% better performance in PassMark - Single thread mark: 3262 vs 2042
2.2x better performance in PassMark - CPU mark: 13586 vs 6135

Specifications (specs)
Launch date	23 Feb 2022 vs 19 October 2015
Number of cores	10 vs 4
Number of threads	12 vs 8
Maximum frequency	4.70 GHz vs 3.40 GHz
Manufacturing process technology	7 nm vs 14 nm
L1 cache	800 KB vs 64 KB (per core)
L2 cache	12.5 MB vs 256 KB (per core)
L3 cache	12 MB vs 8192 KB (shared)
Thermal Design Power (TDP)	15 Watt vs 35 Watt
Benchmarks
PassMark - Single thread mark	3262 vs 2042
PassMark - CPU mark	13586 vs 6135

Compare benchmarks

CPU 1: Intel Core i7-1255U
CPU 2: Intel Core i7-6700TE

PassMark - Single thread mark

CPU 1

CPU 2

3262

2042

PassMark - CPU mark

CPU 1

CPU 2

13586

6135

Name	Intel Core i7-1255U	Intel Core i7-6700TE
PassMark - Single thread mark	3262	2042
PassMark - CPU mark	13586	6135
Geekbench 4 - Single Core		3912
Geekbench 4 - Multi-Core		11914

Compare specifications (specs)

	Intel Core i7-1255U	Intel Core i7-6700TE
Essentials
Architecture codename	Alder Lake	Skylake
Launch date	23 Feb 2022	19 October 2015
Launch price (MSRP)	$469
Place in performance rating	549	542
Processor Number	i7-1255U	i7-6700TE
Series	12th Generation Intel Core i7 Processors	6th Generation Intel® Core™ i7 Processors
Vertical segment	Mobile	Embedded
Status		Launched
Performance
64 bit support
L1 cache	800 KB	64 KB (per core)
L2 cache	12.5 MB	256 KB (per core)
L3 cache	12 MB	8192 KB (shared)
Manufacturing process technology	7 nm	14 nm
Maximum core temperature	100°C
Maximum frequency	4.70 GHz	3.40 GHz
Number of cores	10	4
Number of threads	12	8
Base frequency		2.40 GHz
Bus Speed		8 GT/s DMI3
Memory
Max memory channels	2	2
Maximum memory size	64 GB	64 GB
Supported memory types	Up to DDR5 4800 MT/s Up to DDR4 3200 MT/s Up to LPDDR5 5200 MT/s Up to LPDDR4x 4267 MT/s	DDR4-1866/2133, DDR3L-1333/1600 @ 1.35V
Maximum memory bandwidth		34.1 GB/s
Graphics
Device ID	0x46A8	0x1912
Execution Units	96
Graphics max dynamic frequency	1.25 GHz	1.00 GHz
Intel® Quick Sync Video
Processor graphics	Intel Iris Xe Graphics eligible	Intel® HD Graphics 530
Graphics base frequency		350 MHz
Graphics max frequency		1 GHz
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® InTru™ 3D technology
Max video memory		64 GB
Graphics interfaces
Number of displays supported	4	3
DisplayPort
DVI
eDP
HDMI
Wireless Display (WiDi) support
Graphics image quality
Max resolution over DisplayPort	7680 x 4320 @ 60Hz	4096x2304@60Hz
Max resolution over eDP	4096 x 2304 @ 120Hz	4096x2304@60Hz
4K resolution support
Max resolution over HDMI 1.4		4096x2304@24Hz
Max resolution over VGA		N / A
Max resolution over WiDi		1080p
Graphics API support
DirectX	12.1	12
OpenGL	4.6	4.5
Compatibility
Max number of CPUs in a configuration	1	1
Package Size	50 x 25	37.5mm x 37.5mm
Sockets supported	FCBGA1744	FCLGA1151
Thermal Design Power (TDP)	15 Watt	35 Watt
Low Halogen Options Available
Thermal Solution		PCG 2015A (35W)
Peripherals
Max number of PCIe lanes	20	16
PCI Express revision		3.0
PCIe configurations		Up to 1x16, 2x8, 1x8+2x4
Scalability		1S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Secure Boot
Intel® Identity Protection technology
Intel® Memory Protection Extensions (Intel® MPX)
Intel® Software Guard Extensions (Intel® SGX)
Advanced Technologies
Instruction set extensions	Intel SSE4.1, Intel SSE4.2, Intel AVX2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
Intel® AES New Instructions
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Volume Management Device (VMD)
Speed Shift technology
Thermal Monitoring
Enhanced Intel SpeedStep® technology
Idle States
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® Stable Image Platform Program (SIPP)
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)