Intel Core i7-6600U vs Intel Pentium 3556U

Comparative analysis of Intel Core i7-6600U and Intel Pentium 3556U 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 i7-6600U

Intel Pentium 3556U

Differences

Reasons to consider the Intel Core i7-6600U

CPU is newer: launch date 1 year(s) 11 month(s) later
2 more threads: 4 vs 2
Around 100% higher clock speed: 3.40 GHz vs 1.7 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 22 nm
2x more L3 cache, more data can be stored in the L3 cache for quick access later
2x more maximum memory size: 32 GB vs 16 GB
Around 89% better performance in PassMark - Single thread mark: 1801 vs 951
3.3x better performance in PassMark - CPU mark: 3442 vs 1058
Around 96% better performance in Geekbench 4 - Single Core: 691 vs 353
2.4x better performance in Geekbench 4 - Multi-Core: 1517 vs 638
Around 41% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 9.646 vs 6.821
3.5x better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 15.932 vs 4.538
2.7x better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 1488 vs 552
2.7x better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 1488 vs 552

Specifications (specs)
Launch date	1 September 2015 vs 1 October 2013
Number of threads	4 vs 2
Maximum frequency	3.40 GHz vs 1.7 GHz
Manufacturing process technology	14 nm vs 22 nm
L3 cache	4 MB vs 2 MB
Maximum memory size	32 GB vs 16 GB
Benchmarks
PassMark - Single thread mark	1801 vs 951
PassMark - CPU mark	3442 vs 1058
Geekbench 4 - Single Core	691 vs 353
Geekbench 4 - Multi-Core	1517 vs 638
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	9.646 vs 6.821
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	15.932 vs 4.538
GFXBench 4.0 - Car Chase Offscreen (Frames)	1488 vs 552
GFXBench 4.0 - Car Chase Offscreen (Fps)	1488 vs 552

Reasons to consider the Intel Pentium 3556U

2.2x better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 100.048 vs 46.028
Around 57% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.58 vs 0.37
2.6x better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 5.773 vs 2.243
Around 64% better performance in GFXBench 4.0 - Manhattan (Frames): 1857 vs 1134
Around 52% better performance in GFXBench 4.0 - T-Rex (Frames): 3273 vs 2154
Around 64% better performance in GFXBench 4.0 - Manhattan (Fps): 1857 vs 1134
Around 52% better performance in GFXBench 4.0 - T-Rex (Fps): 3273 vs 2154

Benchmarks
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	100.048 vs 46.028
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.58 vs 0.37
CompuBench 1.5 Desktop - Video Composition (Frames/s)	5.773 vs 2.243
GFXBench 4.0 - Manhattan (Frames)	1857 vs 1134
GFXBench 4.0 - T-Rex (Frames)	3273 vs 2154
GFXBench 4.0 - Manhattan (Fps)	1857 vs 1134
GFXBench 4.0 - T-Rex (Fps)	3273 vs 2154

Compare benchmarks

CPU 1: Intel Core i7-6600U
CPU 2: Intel Pentium 3556U

PassMark - Single thread mark

CPU 1

CPU 2

1801

951

PassMark - CPU mark

CPU 1

CPU 2

3442

1058

Geekbench 4 - Single Core

CPU 1

CPU 2

691

353

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1517

638

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

9.646

6.821

CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)

CPU 1

CPU 2

46.028

100.048

CompuBench 1.5 Desktop - T-Rex (Frames/s)

CPU 1

CPU 2

0.37

0.58

CompuBench 1.5 Desktop - Video Composition (Frames/s)

CPU 1

CPU 2

2.243

5.773

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

15.932

4.538

GFXBench 4.0 - Car Chase Offscreen (Frames)

CPU 1

CPU 2

1488

552

GFXBench 4.0 - Manhattan (Frames)

CPU 1

CPU 2

1134

1857

GFXBench 4.0 - T-Rex (Frames)

CPU 1

CPU 2

2154

3273

GFXBench 4.0 - Car Chase Offscreen (Fps)

CPU 1

CPU 2

1488

552

GFXBench 4.0 - Manhattan (Fps)

CPU 1

CPU 2

1134

1857

GFXBench 4.0 - T-Rex (Fps)

CPU 1

CPU 2

2154

3273

Name	Intel Core i7-6600U	Intel Pentium 3556U
PassMark - Single thread mark	1801	951
PassMark - CPU mark	3442	1058
Geekbench 4 - Single Core	691	353
Geekbench 4 - Multi-Core	1517	638
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	9.646	6.821
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	46.028	100.048
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.37	0.58
CompuBench 1.5 Desktop - Video Composition (Frames/s)	2.243	5.773
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	15.932	4.538
GFXBench 4.0 - Car Chase Offscreen (Frames)	1488	552
GFXBench 4.0 - Manhattan (Frames)	1134	1857
GFXBench 4.0 - T-Rex (Frames)	2154	3273
GFXBench 4.0 - Car Chase Offscreen (Fps)	1488	552
GFXBench 4.0 - Manhattan (Fps)	1134	1857
GFXBench 4.0 - T-Rex (Fps)	2154	3273

Compare specifications (specs)

	Intel Core i7-6600U	Intel Pentium 3556U
Essentials
Architecture codename	Skylake	Haswell
Launch date	1 September 2015	1 October 2013
Launch price (MSRP)	$393
Place in performance rating	1994	2004
Processor Number	i7-6600U	3556U
Series	6th Generation Intel® Core™ i7 Processors	Intel® Pentium® Processor 3000 Series
Status	Launched	Launched
Vertical segment	Mobile	Mobile
Performance
64 bit support
Base frequency	2.60 GHz	1.70 GHz
Bus Speed	4 GT/s OPI	5 GT/s DMI2
Die size	99 mm	118 mm
L1 cache	128 KB	128 KB
L2 cache	512 KB	512 KB
L3 cache	4 MB	2 MB
Manufacturing process technology	14 nm	22 nm
Maximum core temperature	100°C	100°C
Maximum frequency	3.40 GHz	1.7 GHz
Number of cores	2	2
Number of threads	4	2
Maximum case temperature (TCase)		105 °C
Transistor count		1400 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	0x1916
Graphics base frequency	300 MHz	200 MHz
Graphics max dynamic frequency	1.05 GHz	1.00 GHz
Graphics max frequency	1.05 GHz	1 GHz
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® HD Graphics 520	Intel HD Graphics
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
Max resolution over VGA	N / A
Max resolution over WiDi	1080p
Graphics API support
DirectX	12
OpenGL	4.5
Compatibility
Configurable TDP-down	7.5 W
Configurable TDP-down Frequency	800 MHz
Configurable TDP-up	25 W
Configurable TDP-up Frequency	2.80 GHz
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	42mm X 24mm	40mm x 24mm x 1.5mm
Sockets supported	FCBGA1356	Intel BGA1168
Thermal Design Power (TDP)	15 Watt	15 Watt
Peripherals
Max number of PCIe lanes	12	10
PCI Express revision	3.0	2.0
PCIe configurations	1x4, 2x2, 1x2+2x1 and 4x1	4x1, 1x4, 1x2
Integrated IDE
Integrated LAN
Max number of SATA 6 Gb/s Ports		2
Number of USB ports		4
PCI support
Total number of SATA ports		2
UART
USB revision		3.0
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)
Anti-Theft technology
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® Advanced Vector Extensions (AVX)
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)
General-Purpose Input/Output (GPIO)
HD Audio
Intel® Active Management technology (AMT)
Intel® ME Firmware Version		9.5
Intel® Rapid Storage technology (RST)
Matrix Storage
Smart Connect
Virtualization
AMD Virtualization (AMD-V™)
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)