Intel Core i7-4940MX vs Intel Core i7-3689Y

Comparative analysis of Intel Core i7-4940MX and Intel Core i7-3689Y processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, 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, 3DMark Fire Strike - Physics Score, 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).

Intel Core i7-4940MX

Intel Core i7-3689Y

Differences

Reasons to consider the Intel Core i7-4940MX

CPU is newer: launch date 1 year(s) 0 month(s) later
Processor is unlocked, an unlocked multiplier allows for easier overclocking
2 more cores, run more applications at once: 4 vs 2
4 more threads: 8 vs 4
Around 54% higher clock speed: 4.00 GHz vs 2.60 GHz
2x more L1 cache, more data can be stored in the L1 cache for quick access later
2x 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
Around 81% better performance in PassMark - Single thread mark: 2186 vs 1209
3.5x better performance in PassMark - CPU mark: 6832 vs 1967

Specifications (specs)
Launch date	19 January 2014 vs 1 January 2013
Unlocked	Unlocked vs Locked
Number of cores	4 vs 2
Number of threads	8 vs 4
Maximum frequency	4.00 GHz vs 2.60 GHz
L1 cache	256 KB vs 128 KB
L2 cache	1 MB vs 512 KB
L3 cache	8 MB vs 4 MB
Benchmarks
PassMark - Single thread mark	2186 vs 1209
PassMark - CPU mark	6832 vs 1967

Reasons to consider the Intel Core i7-3689Y

Around 5% higher maximum core temperature: 105 °C vs 100°C
4.4x lower typical power consumption: 13 Watt vs 57 Watt
2.4x better performance in Geekbench 4 - Single Core: 2341 vs 958
Around 23% better performance in Geekbench 4 - Multi-Core: 4301 vs 3492

Specifications (specs)
Maximum core temperature	105 °C vs 100°C
Thermal Design Power (TDP)	13 Watt vs 57 Watt
Benchmarks
Geekbench 4 - Single Core	2341 vs 958
Geekbench 4 - Multi-Core	4301 vs 3492

Compare benchmarks

CPU 1: Intel Core i7-4940MX
CPU 2: Intel Core i7-3689Y

PassMark - Single thread mark

CPU 1

CPU 2

2186

1209

PassMark - CPU mark

CPU 1

CPU 2

6832

1967

Geekbench 4 - Single Core

CPU 1

CPU 2

958

2341

Geekbench 4 - Multi-Core

CPU 1

CPU 2

3492

4301

Name	Intel Core i7-4940MX	Intel Core i7-3689Y
PassMark - Single thread mark	2186	1209
PassMark - CPU mark	6832	1967
Geekbench 4 - Single Core	958	2341
Geekbench 4 - Multi-Core	3492	4301
3DMark Fire Strike - Physics Score	0
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	19.006
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	281.947
CompuBench 1.5 Desktop - T-Rex (Frames/s)	1.447
CompuBench 1.5 Desktop - Video Composition (Frames/s)	14.654
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	17.403

Compare specifications (specs)

	Intel Core i7-4940MX	Intel Core i7-3689Y
Essentials
Architecture codename	Haswell	Ivy Bridge
Launch date	19 January 2014	1 January 2013
Launch price (MSRP)	$1,096
Place in performance rating	1388	1369
Price now	$609.95
Processor Number	i7-4940MX	i7-3689Y
Series	Intel® Core™ X-series Processors	Legacy Intel® Core™ Processors
Status	Launched	Launched
Value for money (0-100)	4.78
Vertical segment	Mobile	Mobile
Performance
64 bit support
Base frequency	3.10 GHz	1.50 GHz
Bus Speed	5 GT/s DMI2	5 GT/s DMI
Die size	177 mm	118 mm
L1 cache	256 KB	128 KB
L2 cache	1 MB	512 KB
L3 cache	8 MB	4 MB
Manufacturing process technology	22 nm	22 nm
Maximum case temperature (TCase)	100 °C
Maximum core temperature	100°C	105 °C
Maximum frequency	4.00 GHz	2.60 GHz
Number of cores	4	2
Number of threads	8	4
Transistor count	1400 Million
Unlocked
Memory
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	25.6 GB/s
Maximum memory size	32 GB	32 GB
Supported memory types	DDR3L 1333/1600	DDR3/L/-RS 1333/1600
Graphics
Graphics base frequency	400 MHz	350 MHz
Graphics max dynamic frequency	1.35 GHz	850 MHz
Graphics max frequency	1.35 GHz	850 MHz
Intel® Clear Video HD technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Max video memory	1.7 GB
Processor graphics	Intel® HD Graphics 4600	Intel® HD Graphics 4000
Device ID		0x166
Graphics interfaces
DisplayPort
eDP
HDMI
Number of displays supported	3	3
VGA
Wireless Display (WiDi) support
CRT
SDVO
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	37.5mm x 37.5mm x 4.7mm	31mm x 24mm
Sockets supported	rPGA	FCBGA1023
Thermal Design Power (TDP)	57 Watt	13 Watt
Scenario Design Power (SDP)		7 W
Peripherals
Max number of PCIe lanes	16
PCI Express revision	3
PCIe configurations	1x16, 2x8, 1x8 2x4
Security & Reliability
Anti-Theft technology
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Flexible Display interface (FDI)
Idle States
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® AVX
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
4G WiMAX Wireless
Intel® Demand Based Switching
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® My WiFi technology
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)