Intel Core i3-2120T vs AMD Athlon II X4 645

Comparative analysis of Intel Core i3-2120T and AMD Athlon II X4 645 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, 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).

Intel Core i3-2120T

AMD Athlon II X4 645

Differences

Reasons to consider the Intel Core i3-2120T

CPU is newer: launch date 1 year(s) 0 month(s) later
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 nm
2.7x lower typical power consumption: 35 Watt vs 95 Watt
Around 24% better performance in Geekbench 4 - Single Core: 466 vs 375
3.2x better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 29.917 vs 9.496

Specifications (specs)
Launch date	September 2011 vs September 2010
Manufacturing process technology	32 nm vs 45 nm
Thermal Design Power (TDP)	35 Watt vs 95 Watt
Benchmarks
Geekbench 4 - Single Core	466 vs 375
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	29.917 vs 9.496

Reasons to consider the AMD Athlon II X4 645

2 more cores, run more applications at once: 4 vs 2
Around 19% higher clock speed: 3.1 GHz vs 2.6 GHz
4x more L1 cache, more data can be stored in the L1 cache for quick access later
4x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 8% better performance in PassMark - Single thread mark: 1256 vs 1165
Around 54% better performance in PassMark - CPU mark: 2348 vs 1528
Around 17% better performance in Geekbench 4 - Multi-Core: 1215 vs 1038
Around 31% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 2.103 vs 1.611

Specifications (specs)
Number of cores	4 vs 2
Maximum frequency	3.1 GHz vs 2.6 GHz
L1 cache	128 KB (per core) vs 64 KB (per core)
L2 cache	512 KB (per core) vs 256 KB (per core)
Benchmarks
PassMark - Single thread mark	1256 vs 1165
PassMark - CPU mark	2348 vs 1528
Geekbench 4 - Multi-Core	1215 vs 1038
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	2.103 vs 1.611

Compare benchmarks

CPU 1: Intel Core i3-2120T
CPU 2: AMD Athlon II X4 645

PassMark - Single thread mark

CPU 1

CPU 2

1165

1256

PassMark - CPU mark

CPU 1

CPU 2

1528

2348

Geekbench 4 - Single Core

CPU 1

CPU 2

466

375

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1038

1215

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

1.611

2.103

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

CPU 1

CPU 2

29.917

9.496

Name	Intel Core i3-2120T	AMD Athlon II X4 645
PassMark - Single thread mark	1165	1256
PassMark - CPU mark	1528	2348
Geekbench 4 - Single Core	466	375
Geekbench 4 - Multi-Core	1038	1215
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	1.611	2.103
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	29.917	9.496
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.213

Compare specifications (specs)

	Intel Core i3-2120T	AMD Athlon II X4 645
Essentials
Architecture codename	Sandy Bridge	Propus
Launch date	September 2011	September 2010
Launch price (MSRP)	$50	$80
Place in performance rating	2786	2780
Price now	$113	$49.99
Processor Number	i3-2120T
Series	Legacy Intel® Core™ Processors
Status	Discontinued
Value for money (0-100)	8.24	20.48
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	2.60 GHz
Bus Speed	5 GT/s DMI
Die size	131 mm	169 mm
L1 cache	64 KB (per core)	128 KB (per core)
L2 cache	256 KB (per core)	512 KB (per core)
L3 cache	3072 KB (shared)
Manufacturing process technology	32 nm	45 nm
Maximum core temperature	65.0°C
Maximum frequency	2.6 GHz	3.1 GHz
Number of cores	2	4
Number of threads	4
Transistor count	504 million	300 million
Memory
Max memory channels	2
Maximum memory bandwidth	21 GB/s
Maximum memory size	32 GB
Supported memory types	DDR3 1066/1333	DDR3
Graphics
Device ID	0x102
Graphics base frequency	650 MHz
Graphics max dynamic frequency	1.10 GHz
Graphics max frequency	1.1 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 2000
Graphics interfaces
Number of displays supported	2
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
Sockets supported	FCLGA1155	AM3
Thermal Design Power (TDP)	35 Watt	95 Watt
Peripherals
Max number of PCIe lanes	16
PCI Express revision	2.0
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection 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 64
Intel® AES New Instructions
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)