Intel Core i7-1255U vs Intel Core i7-6770HQ

Comparative analysis of Intel Core i7-1255U and Intel Core i7-6770HQ 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, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps).

Intel Core i7-1255U

Intel Core i7-6770HQ

Differences

Reasons to consider the Intel Core i7-1255U

CPU is newer: launch date 6 year(s) 0 month(s) later
6 more cores, run more applications at once: 10 vs 4
4 more threads: 12 vs 8
Around 34% higher clock speed: 4.70 GHz vs 3.50 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
2x more L3 cache, more data can be stored in the L3 cache for quick access later
3x lower typical power consumption: 15 Watt vs 45 Watt
Around 69% better performance in PassMark - Single thread mark: 3293 vs 1951
Around 93% better performance in PassMark - CPU mark: 13745 vs 7116

Specifications (specs)
Launch date	23 Feb 2022 vs 24 January 2016
Number of cores	10 vs 4
Number of threads	12 vs 8
Maximum frequency	4.70 GHz vs 3.50 GHz
Manufacturing process technology	7 nm vs 14 nm
L1 cache	800 KB vs 256 KB
L2 cache	12.5 MB vs 1 MB
L3 cache	12 MB vs 6 MB
Thermal Design Power (TDP)	15 Watt vs 45 Watt
Benchmarks
PassMark - Single thread mark	3293 vs 1951
PassMark - CPU mark	13745 vs 7116

Compare benchmarks

CPU 1: Intel Core i7-1255U
CPU 2: Intel Core i7-6770HQ

PassMark - Single thread mark

CPU 1

CPU 2

3293

1951

PassMark - CPU mark

CPU 1

CPU 2

13745

7116

Name	Intel Core i7-1255U	Intel Core i7-6770HQ
PassMark - Single thread mark	3293	1951
PassMark - CPU mark	13745	7116
Geekbench 4 - Single Core		880
Geekbench 4 - Multi-Core		3560
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		4.799
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		74.513
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.65
CompuBench 1.5 Desktop - Video Composition (Frames/s)		2.302
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		5.353
GFXBench 4.0 - Car Chase Offscreen (Frames)		3811
GFXBench 4.0 - Manhattan (Frames)		7128
GFXBench 4.0 - T-Rex (Frames)		12520
GFXBench 4.0 - Car Chase Offscreen (Fps)		3811
GFXBench 4.0 - Manhattan (Fps)		7128
GFXBench 4.0 - T-Rex (Fps)		12520

Compare specifications (specs)

	Intel Core i7-1255U	Intel Core i7-6770HQ
Essentials
Architecture codename	Alder Lake	Skylake
Launch date	23 Feb 2022	24 January 2016
Launch price (MSRP)	$469	$434
Place in performance rating	440	439
Processor Number	i7-1255U	i7-6770HQ
Series	12th Generation Intel Core i7 Processors	6th Generation Intel® Core™ i7 Processors
Vertical segment	Mobile	Mobile
Price now		$1,001.88
Status		Launched
Value for money (0-100)		2.86
Performance
64 bit support
L1 cache	800 KB	256 KB
L2 cache	12.5 MB	1 MB
L3 cache	12 MB	6 MB
Manufacturing process technology	7 nm	14 nm
Maximum core temperature	100°C	100°C
Maximum frequency	4.70 GHz	3.50 GHz
Number of cores	10	4
Number of threads	12	8
Base frequency		2.60 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	DDR4-2133, LPDDR3-1866, DDR3L-1600
Maximum memory bandwidth		34.1 GB/s
Graphics
Device ID	0x46A8	0x193B
Execution Units	96
Graphics max dynamic frequency	1.25 GHz	950 MHz
Intel® Quick Sync Video
Processor graphics	Intel Iris Xe Graphics eligible	Intel® Iris® Pro Graphics 580
eDRAM		128 MB
Graphics base frequency		350 MHz
Graphics max frequency		950 MHz
Intel® Clear Video HD 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 WiDi		Up to 4096x2304@30Hz
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	42mm x 28mm
Sockets supported	FCBGA1744	FCBGA1440
Thermal Design Power (TDP)	15 Watt	45 Watt
Configurable TDP-down		35 W
Low Halogen Options Available
Peripherals
Max number of PCIe lanes	20	16
PCI Express revision		3.0
PCIe configurations		Up to 1x16, 2x8, 1x8+2x4
Security & Reliability
Execute Disable Bit (EDB)
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Secure Boot
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® Advanced Vector Extensions (AVX)
Intel® Smart Response technology
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)
AMD Virtualization (AMD-V™)