Intel Celeron N4020C vs Intel Core i7-3940XM

Comparative analysis of Intel Celeron N4020C and Intel Core i7-3940XM 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 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).

Intel Celeron N4020C

Intel Core i7-3940XM

Differences

Reasons to consider the Intel Celeron N4020C

A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 22 nm
9.2x lower typical power consumption: 6 Watt vs 55 Watt

Manufacturing process technology	14 nm vs 22 nm
Thermal Design Power (TDP)	6 Watt vs 55 Watt

Reasons to consider the Intel Core i7-3940XM

Processor is unlocked, an unlocked multiplier allows for easier overclocking
2 more cores, run more applications at once: 4 vs 2
6 more threads: 8 vs 2
Around 39% higher clock speed: 3.90 GHz vs 2.80 GHz
2x more L3 cache, more data can be stored in the L3 cache for quick access later
4x more maximum memory size: 32 GB vs 8 GB
Around 74% better performance in PassMark - Single thread mark: 1945 vs 1118
3.9x better performance in PassMark - CPU mark: 5911 vs 1535

Specifications (specs)
Unlocked	Unlocked vs Locked
Number of cores	4 vs 2
Number of threads	8 vs 2
Maximum frequency	3.90 GHz vs 2.80 GHz
L3 cache	8192 KB vs 4 MB
Maximum memory size	32 GB vs 8 GB
Benchmarks
PassMark - Single thread mark	1945 vs 1118
PassMark - CPU mark	5911 vs 1535

Compare benchmarks

CPU 1: Intel Celeron N4020C
CPU 2: Intel Core i7-3940XM

PassMark - Single thread mark

CPU 1

CPU 2

1118

1945

PassMark - CPU mark

CPU 1

CPU 2

1535

5911

Name	Intel Celeron N4020C	Intel Core i7-3940XM
PassMark - Single thread mark	1118	1945
PassMark - CPU mark	1535	5911
Geekbench 4 - Single Core		741
Geekbench 4 - Multi-Core		2890
3DMark Fire Strike - Physics Score		0
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		14.555
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		16.624
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.613
CompuBench 1.5 Desktop - Video Composition (Frames/s)		2.454
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		5.598
GFXBench 4.0 - T-Rex (Frames)		2709
GFXBench 4.0 - T-Rex (Fps)		2709

Compare specifications (specs)

	Intel Celeron N4020C	Intel Core i7-3940XM
Essentials
Architecture codename	Gemini Lake Refresh	Ivy Bridge
Launch date	Q1'21	30 September 2012
Place in performance rating	2145	2140
Processor Number	N4020C	i7-3940XM
Series	Intel Celeron Processor N Series	Intel® Core™ X-series Processors
Vertical segment	Mobile	Mobile
Launch price (MSRP)		$1,096
Price now		$539
Status		Launched
Value for money (0-100)		5.08
Performance
64 bit support
Base frequency	1.10 GHz	3.00 GHz
L3 cache	4 MB	8192 KB
Manufacturing process technology	14 nm	22 nm
Maximum core temperature	105°C	105 °C
Maximum frequency	2.80 GHz	3.90 GHz
Number of cores	2	4
Number of threads	2	8
Bus Speed		5 GT/s DMI
Die size		160 mm
L1 cache		256 KB
L2 cache		1024 KB
Transistor count		1400 Million
Unlocked
Memory
Max memory channels	2	2
Maximum memory size	8 GB	32 GB
Supported memory types	DDR4/LPDDR4 up to 2400 MT/s	DDR3/L/-RS 1333/1600
Maximum memory bandwidth		25.6 GB/s
Graphics
Device ID	0x3185
Execution Units	12
Graphics base frequency	200 MHz	650 MHz
Graphics max frequency	650 MHz	1.35 GHz
Intel® Quick Sync Video
Max video memory	8 GB
Processor graphics	Intel UHD Graphics 600	Intel® HD Graphics 4000
Graphics max dynamic frequency		1.35 GHz
Intel® Clear Video HD technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® InTru™ 3D technology
Graphics interfaces
DisplayPort
eDP
HDMI
MIPI-DSI
Number of displays supported	3	3
CRT
SDVO
Wireless Display (WiDi) support
Graphics image quality
4K resolution support
Max resolution over DisplayPort	4096x2160@60Hz
Max resolution over eDP	4096x2160@60Hz
Graphics API support
DirectX	12
OpenGL	4.4
Compatibility
Max number of CPUs in a configuration	1	1
Package Size	25mm x 24mm	37.5 x 37.5mm (rPGA988B)
Scenario Design Power (SDP)	4.8 W
Sockets supported	FCBGA1090	FCPGA988
Thermal Design Power (TDP)	6 Watt	55 Watt
Low Halogen Options Available
Peripherals
Integrated LAN
Integrated Wireless	No
Max number of PCIe lanes	6	16
Max number of SATA 6 Gb/s Ports	2
Number of USB ports	8
PCI Express revision	2.0	3.0
PCIe configurations	1x4 + 1x2 or 4x1 or 2x1+1x2 + 1x2	1x16, 2x8, 1x8 2x4
Total number of SATA ports	2
UART
USB revision	2.0/3.0
Security & Reliability
Anti-Theft technology
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
General-Purpose Input/Output (GPIO)
Idle States
Instruction set extensions	Intel SSE4.2	Intel® AVX
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® Smart Response technology
Intel® Turbo Boost technology
Speed Shift technology
Thermal Monitoring
4G WiMAX Wireless
Flexible Display interface (FDI)
Intel® Advanced Vector Extensions (AVX)
Intel® Demand Based Switching
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® My WiFi 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™)