Intel Core i3-3220T vs Intel Core i7-3820

Comparative analysis of Intel Core i3-3220T and Intel Core i7-3820 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, 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 Core i3-3220T

Intel Core i7-3820

Differences

Reasons to consider the Intel Core i3-3220T

CPU is newer: launch date 7 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	September 2012 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
4 more threads: 8 vs 4
Around 36% higher clock speed: 3.80 GHz vs 2.8 GHz
Around 3% higher maximum core temperature: 66.8°C vs 65.0°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 17% better performance in PassMark - Single thread mark: 1746 vs 1492
3x better performance in PassMark - CPU mark: 5773 vs 1946
Around 46% better performance in Geekbench 4 - Single Core: 756 vs 517
2.7x better performance in Geekbench 4 - Multi-Core: 3163 vs 1156

Specifications (specs)
Number of cores	4 vs 2
Number of threads	8 vs 4
Maximum frequency	3.80 GHz vs 2.8 GHz
Maximum core temperature	66.8°C vs 65.0°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	1746 vs 1492
PassMark - CPU mark	5773 vs 1946
Geekbench 4 - Single Core	756 vs 517
Geekbench 4 - Multi-Core	3163 vs 1156

Compare benchmarks

CPU 1: Intel Core i3-3220T
CPU 2: Intel Core i7-3820

PassMark - Single thread mark

CPU 1

CPU 2

1492

1746

PassMark - CPU mark

CPU 1

CPU 2

1946

5773

Geekbench 4 - Single Core

CPU 1

CPU 2

517

756

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1156

3163

Name	Intel Core i3-3220T	Intel Core i7-3820
PassMark - Single thread mark	1492	1746
PassMark - CPU mark	1946	5773
Geekbench 4 - Single Core	517	756
Geekbench 4 - Multi-Core	1156	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 Core i3-3220T	Intel Core i7-3820
Essentials
Architecture codename	Ivy Bridge	Sandy Bridge E
Launch date	September 2012	February 2012
Launch price (MSRP)	$201	$400
Place in performance rating	2230	2234
Price now	$99.99	$199.99
Processor Number	i3-3220T	i7-3820
Series	Legacy Intel® Core™ Processors	Intel® Core™ X-series Processors
Status	Launched	Discontinued
Value for money (0-100)	10.89	13.26
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	2.80 GHz	3.60 GHz
Bus Speed	5 GT/s DMI	5 GT/s DMI2
Die size	94 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)	65 °C	67 °C
Maximum core temperature	65.0°C	66.8°C
Maximum frequency	2.8 GHz	3.80 GHz
Number of cores	2	4
Number of threads	4	8
Transistor count		1270 million
VID voltage range		0.600V – 1.350V
Memory
Max memory channels	2	4
Maximum memory bandwidth	25.6 GB/s	51.2 GB/s
Maximum memory size	32 GB	64.23 GB
Supported memory types	DDR3 1333/1600	DDR3 1066/1333/1600
Graphics
Device ID	0x152
Graphics base frequency	650 MHz
Graphics max dynamic frequency	1.05 GHz
Graphics max frequency	1.05 GHz
Intel® Clear Video HD technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Processor graphics	Intel® HD Graphics 2500
Graphics interfaces
Number of displays supported	3
Wireless Display (WiDi) support
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	FCLGA1155	FCLGA2011
Thermal Design Power (TDP)	35 Watt	130 Watt
Thermal Solution	2011A
Peripherals
PCI Express revision	2.0	2.0
PCIe configurations	up to 1x16, 2x8, 1x8 & 2x4
Max number of PCIe lanes		40
Security & Reliability
Anti-Theft technology
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Flexible Display interface (FDI)
Idle States
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX	Intel® SSE4.2, Intel® AVX
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® My WiFi technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Intel® Demand Based Switching
Intel® Smart Response technology
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)