Intel Celeron G1840T vs Intel Core i7-3820

Comparative analysis of Intel Celeron G1840T and Intel Core i7-3820 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).

Intel Celeron G1840T

Intel Core i7-3820

Differences

Reasons to consider the Intel Celeron G1840T

CPU is newer: launch date 2 year(s) 2 month(s) later
A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 32 nm
3.7x lower typical power consumption: 35 Watt vs 130 Watt

Launch date	May 2014 vs February 2012
Manufacturing process technology	22 nm vs 32 nm
Thermal Design Power (TDP)	35 Watt vs 130 Watt

Reasons to consider the Intel Core i7-3820

2 more cores, run more applications at once: 4 vs 2
6 more threads: 8 vs 2
Around 52% higher clock speed: 3.80 GHz vs 2.5 GHz
Around 1% higher maximum core temperature: 66.8°C vs 66.4°C
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
3.3x more L3 cache, more data can be stored in the L3 cache for quick access later
2x more maximum memory size: 64.23 GB vs 32 GB
Around 22% better performance in PassMark - Single thread mark: 1742 vs 1431
3.7x better performance in PassMark - CPU mark: 5754 vs 1576
Around 44% better performance in Geekbench 4 - Single Core: 756 vs 524
3.3x better performance in Geekbench 4 - Multi-Core: 3163 vs 971

Specifications (specs)
Number of cores	4 vs 2
Number of threads	8 vs 2
Maximum frequency	3.80 GHz vs 2.5 GHz
Maximum core temperature	66.8°C vs 66.4°C
L1 cache	64 KB (per core) vs 64 KB (per core)
L2 cache	256 KB (per core) vs 256 KB (per core)
L3 cache	10240 KB (shared) vs 3072 KB (shared)
Maximum memory size	64.23 GB vs 32 GB
Benchmarks
PassMark - Single thread mark	1742 vs 1431
PassMark - CPU mark	5754 vs 1576
Geekbench 4 - Single Core	756 vs 524
Geekbench 4 - Multi-Core	3163 vs 971

Compare benchmarks

CPU 1: Intel Celeron G1840T
CPU 2: Intel Core i7-3820

PassMark - Single thread mark

CPU 1

CPU 2

1431

1742

PassMark - CPU mark

CPU 1

CPU 2

1576

5754

Geekbench 4 - Single Core

CPU 1

CPU 2

524

756

Geekbench 4 - Multi-Core

CPU 1

CPU 2

971

3163

Name	Intel Celeron G1840T	Intel Core i7-3820
PassMark - Single thread mark	1431	1742
PassMark - CPU mark	1576	5754
Geekbench 4 - Single Core	524	756
Geekbench 4 - Multi-Core	971	3163
3DMark Fire Strike - Physics Score		3318
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		4.665
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		84.218
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.606
CompuBench 1.5 Desktop - Video Composition (Frames/s)		2.267
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		5.758

Compare specifications (specs)

	Intel Celeron G1840T	Intel Core i7-3820
Essentials
Architecture codename	Haswell	Sandy Bridge E
Launch date	May 2014	February 2012
Place in performance rating	2184	2186
Processor Number	G1840T	i7-3820
Series	Intel® Celeron® Processor G Series	Intel® Core™ X-series Processors
Status	Discontinued	Discontinued
Vertical segment	Desktop	Desktop
Launch price (MSRP)		$400
Price now		$199.99
Value for money (0-100)		13.26
Performance
64 bit support
Base frequency	2.50 GHz	3.60 GHz
Bus Speed	5 GT/s DMI2	5 GT/s DMI2
Die size	177 mm	294 mm
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	256 KB (per core)
L3 cache	3072 KB (shared)	10240 KB (shared)
Manufacturing process technology	22 nm	32 nm
Maximum case temperature (TCase)	72 °C	67 °C
Maximum core temperature	66.4°C	66.8°C
Maximum frequency	2.5 GHz	3.80 GHz
Number of cores	2	4
Number of threads	2	8
Transistor count	1400 million	1270 million
VID voltage range		0.600V – 1.350V
Memory
ECC memory support
Max memory channels	2	4
Maximum memory bandwidth	21.3 GB/s	51.2 GB/s
Maximum memory size	32 GB	64.23 GB
Supported memory types	DDR3-1333, DDR3L-1333 @ 1.5V	DDR3 1066/1333/1600
Graphics
Graphics base frequency	200 MHz
Graphics max dynamic frequency	1.05 GHz
Graphics max frequency	1.05 GHz
Intel® Clear Video HD technology
Intel® Quick Sync Video
Max video memory	1.7 GB
Processor graphics	Intel HD Graphics
Graphics interfaces
DisplayPort
DVI
eDP
HDMI
Number of displays supported	3
VGA
Wireless Display (WiDi) support
Graphics image quality
Max resolution over DisplayPort	2560x1600@60Hz
Max resolution over eDP	2560x1600@60Hz
Max resolution over HDMI 1.4	1920x1080@60Hz
Max resolution over VGA	1920x1200@60Hz
Graphics API support
DirectX	11.1/12
OpenGL	4.3
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	37.5mm x 37.5mm	52.5mm x 45.0mm
Sockets supported	FCLGA1150	FCLGA2011
Thermal Design Power (TDP)	35 Watt	130 Watt
Thermal Solution	PCG 2013A
Peripherals
Max number of PCIe lanes	16	40
PCI Express revision	Up to 3.0	2.0
PCIe configurations	Up to 1x16, 2x8, 1x8+2x4
Scalability	1S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Intel® Identity Protection technology
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	Intel® SSE4.2, Intel® AVX
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® Stable Image Platform Program (SIPP)
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Intel® Advanced Vector Extensions (AVX)
Intel® Demand Based Switching
Intel® Smart Response technology
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® Virtualization Technology for Itanium (VT-i)
Intel® VT-x with Extended Page Tables (EPT)