Intel Core i7-6660U vs Intel Pentium 3825U

Comparative analysis of Intel Core i7-6660U and Intel Pentium 3825U 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: 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 - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), PassMark - Single thread mark, PassMark - CPU mark, 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 i7-6660U

Intel Pentium 3825U

Differences

Reasons to consider the Intel Core i7-6660U

Around 79% higher clock speed: 3.40 GHz vs 1.9 GHz
2x more maximum memory size: 32 GB vs 16 GB
9.2x better performance in Geekbench 4 - Single Core: 3647 vs 398
8x better performance in Geekbench 4 - Multi-Core: 7130 vs 896
Around 53% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 2.931 vs 1.913
Around 76% better performance in PassMark - Single thread mark: 1943 vs 1103
2.6x better performance in PassMark - CPU mark: 3606 vs 1399

Specifications (specs)
Maximum frequency	3.40 GHz vs 1.9 GHz
Maximum memory size	32 GB vs 16 GB
Benchmarks
Geekbench 4 - Single Core	3647 vs 398
Geekbench 4 - Multi-Core	7130 vs 896
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	2.931 vs 1.913
PassMark - Single thread mark	1943 vs 1103
PassMark - CPU mark	3606 vs 1399

Reasons to consider the Intel Pentium 3825U

Around 5% higher maximum core temperature: 105°C vs 100°C

Maximum core temperature	105°C vs 100°C

Compare benchmarks

CPU 1: Intel Core i7-6660U
CPU 2: Intel Pentium 3825U

Geekbench 4 - Single Core

CPU 1

CPU 2

3647

398

Geekbench 4 - Multi-Core

CPU 1

CPU 2

7130

896

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

2.931

1.913

PassMark - Single thread mark

CPU 1

CPU 2

1943

1103

PassMark - CPU mark

CPU 1

CPU 2

3606

1399

Name	Intel Core i7-6660U	Intel Pentium 3825U
Geekbench 4 - Single Core	3647	398
Geekbench 4 - Multi-Core	7130	896
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	2.455
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	44.681
CompuBench 1.5 Desktop - Video Composition (Frames/s)	1.204
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	2.931	1.913
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.28
PassMark - Single thread mark	1943	1103
PassMark - CPU mark	3606	1399
GFXBench 4.0 - Car Chase Offscreen (Frames)		660
GFXBench 4.0 - Manhattan (Frames)		2523
GFXBench 4.0 - T-Rex (Frames)		4025
GFXBench 4.0 - Car Chase Offscreen (Fps)		660
GFXBench 4.0 - Manhattan (Fps)		2523
GFXBench 4.0 - T-Rex (Fps)		4025

Compare specifications (specs)

	Intel Core i7-6660U	Intel Pentium 3825U
Essentials
Architecture codename	Skylake	Broadwell
Launch date	Q1'16	30 March 2015
Place in performance rating	1676	1674
Processor Number	i7-6660U	3825U
Series	6th Generation Intel® Core™ i7 Processors	Intel® Pentium® Processor 3000 Series
Status	Launched	Launched
Vertical segment	Mobile	Mobile
Launch price (MSRP)		$161
Performance
64 bit support
Base frequency	2.40 GHz	1.90 GHz
Bus Speed	4 GT/s OPI	5 GT/s DMI2
Manufacturing process technology	14 nm	14 nm
Maximum core temperature	100°C	105°C
Maximum frequency	3.40 GHz	1.9 GHz
Number of cores	2	2
Number of threads	4	4
Die size		82 mm
L1 cache		128 KB
L2 cache		512 KB
L3 cache		2 MB
Transistor count		1300 Million
Memory
Max memory channels	2	2
Maximum memory bandwidth	34.1 GB/s	25.6 GB/s
Maximum memory size	32 GB	16 GB
Supported memory types	DDR4-2133, LPDDR3-1866, DDR3L-1600	DDR3L 1333/1600 LPDDR3 1333/1600
Graphics
Device ID	0x1926
eDRAM	64 MB
Graphics base frequency	300 MHz	300 MHz
Graphics max dynamic frequency	1.05 GHz	850 MHz
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Max video memory	32 GB
Processor graphics	Intel® Iris® Graphics 540	Intel HD Graphics
Graphics max frequency		850 MHz
Intel® Flexible Display Interface (Intel® FDI)
Graphics interfaces
DisplayPort
DVI
eDP
HDMI
Number of displays supported	3	3
Wireless Display (WiDi) support
Graphics image quality
4K resolution support
Max resolution over DisplayPort	4096x2304@60Hz
Max resolution over eDP	4096x2304@60Hz
Max resolution over HDMI 1.4	4096x2304@24Hz
Graphics API support
DirectX	12	11.2/12
OpenGL	4.5
Compatibility
Configurable TDP-down	9.5 W	10 W
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	42x24x1.3	40mm x 24mm x 1.3mm
Sockets supported	FCBGA1356	FCBGA1168
Thermal Design Power (TDP)	15 Watt	15 Watt
Configurable TDP-down Frequency		600 MHz
Peripherals
Max number of PCIe lanes	12	12
PCI Express revision	3.0	2.0
PCIe configurations	1x4, 2x2, 1x2+2x1 and 4x1	4x1 2x4
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Memory Protection Extensions (Intel® MPX)
Intel® OS Guard
Intel® Secure Key technology
Intel® Software Guard Extensions (Intel® SGX)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® SSE4.1, Intel® SSE4.2
Intel 64
Intel® AES New Instructions
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® My WiFi technology
Intel® Smart Response technology
Intel® Stable Image Platform Program (SIPP)
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Flexible Display interface (FDI)
Intel® Advanced Vector Extensions (AVX)
Intel® Fast Memory Access
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™)