Intel Celeron J4005 vs Intel Core i7-940

Comparative analysis of Intel Celeron J4005 and Intel Core i7-940 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, 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), 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 Celeron J4005

Intel Core i7-940

Differences

Reasons to consider the Intel Celeron J4005

CPU is newer: launch date 9 year(s) 1 month(s) later
Around 55% higher maximum core temperature: 105°C vs 67.9°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 45 nm
4x more L2 cache, more data can be stored in the L2 cache for quick access later
13x lower typical power consumption: 10 Watt vs 130 Watt

Launch date	11 December 2017 vs November 2008
Maximum core temperature	105°C vs 67.9°C
Manufacturing process technology	14 nm vs 45 nm
L2 cache	4 MB vs 256 KB (per core)
Thermal Design Power (TDP)	10 Watt vs 130 Watt

Reasons to consider the Intel Core i7-940

2 more cores, run more applications at once: 4 vs 2
6 more threads: 8 vs 2
Around 19% higher clock speed: 3.20 GHz vs 2.70 GHz
2.3x more L1 cache, more data can be stored in the L1 cache for quick access later
3x more maximum memory size: 24 GB vs 8 GB
Around 21% better performance in PassMark - Single thread mark: 1310 vs 1082
Around 90% better performance in PassMark - CPU mark: 2947 vs 1550
Around 30% better performance in Geekbench 4 - Single Core: 512 vs 394
2.8x better performance in Geekbench 4 - Multi-Core: 1971 vs 694

Specifications (specs)
Number of cores	4 vs 2
Number of threads	8 vs 2
Maximum frequency	3.20 GHz vs 2.70 GHz
L1 cache	64 KB (per core) vs 112 KB
Maximum memory size	24 GB vs 8 GB
Benchmarks
PassMark - Single thread mark	1310 vs 1082
PassMark - CPU mark	2947 vs 1550
Geekbench 4 - Single Core	512 vs 394
Geekbench 4 - Multi-Core	1971 vs 694

Compare benchmarks

CPU 1: Intel Celeron J4005
CPU 2: Intel Core i7-940

PassMark - Single thread mark

CPU 1

CPU 2

1082

1310

PassMark - CPU mark

CPU 1

CPU 2

1550

2947

Geekbench 4 - Single Core

CPU 1

CPU 2

394

512

Geekbench 4 - Multi-Core

CPU 1

CPU 2

694

1971

Name	Intel Celeron J4005	Intel Core i7-940
PassMark - Single thread mark	1082	1310
PassMark - CPU mark	1550	2947
Geekbench 4 - Single Core	394	512
Geekbench 4 - Multi-Core	694	1971
GFXBench 4.0 - Car Chase Offscreen (Frames)	578
GFXBench 4.0 - Manhattan (Frames)	316
GFXBench 4.0 - T-Rex (Frames)	522
GFXBench 4.0 - Car Chase Offscreen (Fps)	578
GFXBench 4.0 - Manhattan (Fps)	316
GFXBench 4.0 - T-Rex (Fps)	522
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		0.508
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		32.258
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.191
CompuBench 1.5 Desktop - Video Composition (Frames/s)		0.84
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		2.347

Compare specifications (specs)

	Intel Celeron J4005	Intel Core i7-940
Essentials
Architecture codename	Gemini Lake	Bloomfield
Launch date	11 December 2017	November 2008
Launch price (MSRP)	$107	$299
Place in performance rating	2843	2854
Price now	$249.44	$70.70
Processor Number	J4005	i7-940
Series	Intel® Celeron® Processor J Series	Legacy Intel® Core™ Processors
Status	Launched	Discontinued
Value for money (0-100)	1.89	22.33
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	2.00 GHz	2.93 GHz
L1 cache	112 KB	64 KB (per core)
L2 cache	4 MB	256 KB (per core)
Manufacturing process technology	14 nm	45 nm
Maximum core temperature	105°C	67.9°C
Maximum frequency	2.70 GHz	3.20 GHz
Number of cores	2	4
Number of threads	2	8
Bus Speed		4.8 GT/s QPI
Die size		263 mm2
Front-side bus (FSB)		1333 MHz
L3 cache		8192 KB (shared)
Number of QPI Links		1
Transistor count		731 million
VID voltage range		0.800V-1.375V
Memory
Max memory channels	2	3
Maximum memory size	8 GB	24 GB
Supported memory types	DDR4/LPDDR4 upto 2400 MT/s	DDR3 800/1066
Maximum memory bandwidth		25.6 GB/s
Graphics
Device ID	0x3185
Execution Units	12
Graphics base frequency	250 MHz
Graphics max dynamic frequency	700 MHz
Max video memory	8 GB
Processor graphics	Intel® UHD Graphics 600
Graphics interfaces
DisplayPort
eDP
HDMI
MIPI-DSI
Number of displays supported	3
Graphics image quality
4K resolution support
Graphics API support
DirectX	12
OpenGL	4.4
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	25mm x 24mm	42.5mm x 45.0mm
Sockets supported	FCBGA1090	FCLGA1366
Thermal Design Power (TDP)	10 Watt	130 Watt
Thermal Solution	105 deg C
Peripherals
Integrated LAN
Integrated Wireless	Intel® Wireless-AC MAC
Max number of PCIe lanes	6
Max number of SATA 6 Gb/s Ports	2
Number of USB ports	8
PCI Express revision	2.0
PCIe configurations	1x4 + 1x2 or 4x1 or 2x1+1x2 + 1x2
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
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® Smart Response technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Speed Shift technology
Thermal Monitoring
Instruction set extensions		Intel® SSE4.2
Intel® Demand Based Switching
Physical Address Extensions (PAE)		36-bit
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)