Intel Celeron 3205U vs Intel Core i7-3940XM

Comparative analysis of Intel Celeron 3205U and Intel Core i7-3940XM processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, 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), 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), 3DMark Fire Strike - Physics Score, CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).

Intel Celeron 3205U

Intel Core i7-3940XM

Differences

Reasons to consider the Intel Celeron 3205U

CPU is newer: launch date 2 year(s) 3 month(s) later
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 22 nm
3.7x lower typical power consumption: 15 Watt vs 55 Watt
5.4x better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 88.995 vs 16.624

Specifications (specs)
Launch date	5 January 2015 vs 30 September 2012
Manufacturing process technology	14 nm vs 22 nm
Thermal Design Power (TDP)	15 Watt vs 55 Watt
Benchmarks
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	88.995 vs 16.624

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 160% higher clock speed: 3.90 GHz vs 1.5 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
4x 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
2.1x better performance in PassMark - Single thread mark: 1911 vs 907
6.2x better performance in PassMark - CPU mark: 5840 vs 947
2.4x better performance in Geekbench 4 - Single Core: 741 vs 312
4.9x better performance in Geekbench 4 - Multi-Core: 2890 vs 592
5.7x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 14.555 vs 2.562
Around 20% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.613 vs 0.51
Around 1% better performance in GFXBench 4.0 - T-Rex (Frames): 2709 vs 2692
Around 1% better performance in GFXBench 4.0 - T-Rex (Fps): 2709 vs 2692

Specifications (specs)
Unlocked	Unlocked vs Locked
Number of cores	4 vs 2
Number of threads	8 vs 2
Maximum frequency	3.90 GHz vs 1.5 GHz
L1 cache	256 KB vs 128 KB
L2 cache	1024 KB vs 512 KB
L3 cache	8192 KB vs 2 MB
Maximum memory size	32 GB vs 16 GB
Benchmarks
PassMark - Single thread mark	1911 vs 907
PassMark - CPU mark	5840 vs 947
Geekbench 4 - Single Core	741 vs 312
Geekbench 4 - Multi-Core	2890 vs 592
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	14.555 vs 2.562
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.613 vs 0.51
GFXBench 4.0 - T-Rex (Frames)	2709 vs 2692
GFXBench 4.0 - T-Rex (Fps)	2709 vs 2692

Compare benchmarks

CPU 1: Intel Celeron 3205U
CPU 2: Intel Core i7-3940XM

PassMark - Single thread mark

CPU 1

CPU 2

907

1911

PassMark - CPU mark

CPU 1

CPU 2

947

5840

Geekbench 4 - Single Core

CPU 1

CPU 2

312

741

Geekbench 4 - Multi-Core

CPU 1

CPU 2

592

2890

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

2.562

14.555

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

CPU 1

CPU 2

88.995

16.624

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

CPU 1

CPU 2

0.51

0.613

GFXBench 4.0 - T-Rex (Frames)

CPU 1

CPU 2

2692

2709

GFXBench 4.0 - T-Rex (Fps)

CPU 1

CPU 2

2692

2709

Name	Intel Celeron 3205U	Intel Core i7-3940XM
PassMark - Single thread mark	907	1911
PassMark - CPU mark	947	5840
Geekbench 4 - Single Core	312	741
Geekbench 4 - Multi-Core	592	2890
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	2.562	14.555
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	88.995	16.624
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.51	0.613
GFXBench 4.0 - Car Chase Offscreen (Frames)	756
GFXBench 4.0 - Manhattan (Frames)	1565
GFXBench 4.0 - T-Rex (Frames)	2692	2709
GFXBench 4.0 - Car Chase Offscreen (Fps)	756
GFXBench 4.0 - Manhattan (Fps)	1565
GFXBench 4.0 - T-Rex (Fps)	2692	2709
3DMark Fire Strike - Physics Score		0
CompuBench 1.5 Desktop - Video Composition (Frames/s)		2.454
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		5.598

Compare specifications (specs)

	Intel Celeron 3205U	Intel Core i7-3940XM
Essentials
Architecture codename	Broadwell	Ivy Bridge
Launch date	5 January 2015	30 September 2012
Launch price (MSRP)	$107	$1,096
Place in performance rating	2153	2137
Price now	$287.04	$539
Processor Number	3205U	i7-3940XM
Series	Intel® Celeron® Processor 3000 Series	Intel® Core™ X-series Processors
Status	Launched	Launched
Value for money (0-100)	1.56	5.08
Vertical segment	Mobile	Mobile
Performance
64 bit support
Base frequency	1.50 GHz	3.00 GHz
Bus Speed	5 GT/s DMI2	5 GT/s DMI
Die size	82 mm	160 mm
L1 cache	128 KB	256 KB
L2 cache	512 KB	1024 KB
L3 cache	2 MB	8192 KB
Manufacturing process technology	14 nm	22 nm
Maximum case temperature (TCase)	105 °C
Maximum core temperature	105°C	105 °C
Maximum frequency	1.5 GHz	3.90 GHz
Number of cores	2	4
Number of threads	2	8
Transistor count	1300 Million	1400 Million
Unlocked
Memory
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	25.6 GB/s
Maximum memory size	16 GB	32 GB
Supported memory types	DDR3L 1333/1600 LPDDR3 1333/1600	DDR3/L/-RS 1333/1600
Graphics
Graphics base frequency	100 MHz	650 MHz
Graphics max dynamic frequency	800 MHz	1.35 GHz
Graphics max frequency	800 MHz	1.35 GHz
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Processor graphics	Intel HD Graphics	Intel® HD Graphics 4000
Graphics interfaces
DisplayPort
eDP
HDMI
Number of displays supported	3	3
Wireless Display (WiDi) support
CRT
SDVO
Graphics API support
DirectX	11.2/12
Compatibility
Configurable TDP-down	10 W
Configurable TDP-down Frequency	600 MHz
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	40mm x 24mm x 1.3mm	37.5 x 37.5mm (rPGA988B)
Sockets supported	FCBGA1168	FCPGA988
Thermal Design Power (TDP)	15 Watt	55 Watt
Peripherals
Max number of PCIe lanes	12	16
PCI Express revision	2.0	3.0
PCIe configurations	4x1 2x4	1x16, 2x8, 1x8 2x4
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Anti-Theft technology
Advanced Technologies
Enhanced Intel SpeedStep® technology
Flexible Display interface (FDI)
Idle States
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	Intel® AVX
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Smart Response technology
Intel® Stable Image Platform Program (SIPP)
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
4G WiMAX Wireless
Intel® Demand Based Switching
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)