Intel Core i7-8550U vs Intel Core i7-4940MX

Comparative analysis of Intel Core i7-8550U and Intel Core i7-4940MX 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, 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), 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 i7-8550U

Intel Core i7-4940MX

Differences

Reasons to consider the Intel Core i7-8550U

CPU is newer: launch date 3 year(s) 7 month(s) later
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 22 nm
3.8x lower typical power consumption: 15 Watt vs 57 Watt

Launch date	21 August 2017 vs 19 January 2014
Manufacturing process technology	14 nm vs 22 nm
Thermal Design Power (TDP)	15 Watt vs 57 Watt

Reasons to consider the Intel Core i7-4940MX

Processor is unlocked, an unlocked multiplier allows for easier overclocking
Around 7% better performance in PassMark - Single thread mark: 2183 vs 2044
Around 16% better performance in PassMark - CPU mark: 6830 vs 5897
Around 18% better performance in Geekbench 4 - Single Core: 958 vs 814
Around 42% better performance in Geekbench 4 - Multi-Core: 3492 vs 2456
5.4x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 19.006 vs 3.494
4.3x better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 281.947 vs 65.027
3.1x better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 1.447 vs 0.464
8.2x better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 14.654 vs 1.792
4x better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 17.403 vs 4.384

Specifications (specs)
Unlocked	Unlocked vs Locked
Benchmarks
PassMark - Single thread mark	2183 vs 2044
PassMark - CPU mark	6830 vs 5897
Geekbench 4 - Single Core	958 vs 814
Geekbench 4 - Multi-Core	3492 vs 2456
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	19.006 vs 3.494
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	281.947 vs 65.027
CompuBench 1.5 Desktop - T-Rex (Frames/s)	1.447 vs 0.464
CompuBench 1.5 Desktop - Video Composition (Frames/s)	14.654 vs 1.792
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	17.403 vs 4.384

Compare benchmarks

CPU 1: Intel Core i7-8550U
CPU 2: Intel Core i7-4940MX

PassMark - Single thread mark

CPU 1

CPU 2

2044

2183

PassMark - CPU mark

CPU 1

CPU 2

5897

6830

Geekbench 4 - Single Core

CPU 1

CPU 2

814

958

Geekbench 4 - Multi-Core

CPU 1

CPU 2

2456

3492

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

3.494

19.006

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

CPU 1

CPU 2

65.027

281.947

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

CPU 1

CPU 2

0.464

1.447

CompuBench 1.5 Desktop - Video Composition (Frames/s)

CPU 1

CPU 2

1.792

14.654

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

4.384

17.403

Name	Intel Core i7-8550U	Intel Core i7-4940MX
PassMark - Single thread mark	2044	2183
PassMark - CPU mark	5897	6830
Geekbench 4 - Single Core	814	958
Geekbench 4 - Multi-Core	2456	3492
3DMark Fire Strike - Physics Score	2686	0
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	3.494	19.006
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	65.027	281.947
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.464	1.447
CompuBench 1.5 Desktop - Video Composition (Frames/s)	1.792	14.654
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	4.384	17.403
GFXBench 4.0 - Car Chase Offscreen (Frames)	1724
GFXBench 4.0 - Manhattan (Frames)	3395
GFXBench 4.0 - T-Rex (Frames)	5482
GFXBench 4.0 - Car Chase Offscreen (Fps)	1724
GFXBench 4.0 - Manhattan (Fps)	3395
GFXBench 4.0 - T-Rex (Fps)	5482

Compare specifications (specs)

	Intel Core i7-8550U	Intel Core i7-4940MX
Essentials
Architecture codename	Kaby Lake R	Haswell
Launch date	21 August 2017	19 January 2014
Launch price (MSRP)	$409	$1,096
Place in performance rating	1388	1391
Processor Number	i7-8550U	i7-4940MX
Series	8th Generation Intel® Core™ i7 Processors	Intel® Core™ X-series Processors
Status	Launched	Launched
Vertical segment	Mobile	Mobile
Price now		$609.95
Value for money (0-100)		4.78
Performance
64 bit support
Base frequency	1.80 GHz	3.10 GHz
Bus Speed	4 GT/s OPI	5 GT/s DMI2
Die size	123 mm	177 mm
L1 cache	256 KB	256 KB
L2 cache	1 MB	1 MB
L3 cache	8 MB	8 MB
Manufacturing process technology	14 nm	22 nm
Maximum case temperature (TCase)	72 °C	100 °C
Maximum core temperature	100°C	100°C
Maximum frequency	4.00 GHz	4.00 GHz
Number of cores	4	4
Number of threads	8	8
Transistor count		1400 Million
Unlocked
Memory
Max memory channels	2	2
Maximum memory bandwidth	34.1 GB/s	25.6 GB/s
Maximum memory size	32 GB	32 GB
Supported memory types	DDR4-2400, LPDDR3-2133	DDR3L 1333/1600
Graphics
Device ID	0x5917
Graphics base frequency	300 MHz	400 MHz
Graphics max dynamic frequency	1.15 GHz	1.35 GHz
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® Quick Sync Video
Max video memory	32 GB	1.7 GB
Processor graphics	Intel® UHD Graphics 620	Intel® HD Graphics 4600
Graphics max frequency		1.35 GHz
Intel® Flexible Display Interface (Intel® FDI)
Intel® InTru™ 3D technology
Graphics interfaces
DisplayPort
DVI
eDP
HDMI
Number of displays supported	3	3
VGA
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
OpenGL	4.4
Compatibility
Configurable TDP-down	10 W
Configurable TDP-down Frequency	800 MHz
Configurable TDP-up	25 W
Configurable TDP-up Frequency	2.00 GHz
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	42mm X 24mm	37.5mm x 37.5mm x 4.7mm
Sockets supported	FC-BGA1356	rPGA
Thermal Design Power (TDP)	15 Watt	57 Watt
Peripherals
Max number of PCIe lanes	12	16
PCI Express revision	3.0	3
PCIe configurations	1x4, 2x2, 1x2+2x1 and 4x1	1x16, 2x8, 1x8 2x4
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
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® AVX2
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® My WiFi technology
Intel® Optane™ Memory Supported
Intel® Smart Response technology
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Speed Shift technology
Thermal Monitoring
Flexible Display interface (FDI)
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)