Intel Pentium G645T vs AMD Athlon II X2 255

Comparative analysis of Intel Pentium G645T and AMD Athlon II X2 255 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.

Intel Pentium G645T

AMD Athlon II X2 255

Differences

Reasons to consider the Intel Pentium G645T

CPU is newer: launch date 2 year(s) 7 month(s) later
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 nm
Around 29% lower typical power consumption: 35 Watt vs 45 Watt
Around 5% better performance in PassMark - CPU mark: 1228 vs 1170
Around 28% better performance in Geekbench 4 - Single Core: 452 vs 353
Around 28% better performance in Geekbench 4 - Multi-Core: 848 vs 660

Specifications (specs)
Launch date	September 2012 vs January 2010
Manufacturing process technology	32 nm vs 45 nm
Thermal Design Power (TDP)	35 Watt vs 45 Watt
Benchmarks
PassMark - CPU mark	1228 vs 1170
Geekbench 4 - Single Core	452 vs 353
Geekbench 4 - Multi-Core	848 vs 660

Reasons to consider the AMD Athlon II X2 255

Around 24% higher clock speed: 3.1 GHz vs 2.5 GHz
Around 11% higher maximum core temperature: 72°C vs 65.0°C
2x 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 9% better performance in PassMark - Single thread mark: 1234 vs 1131

Specifications (specs)
Maximum frequency	3.1 GHz vs 2.5 GHz
Maximum core temperature	72°C vs 65.0°C
L1 cache	256 KB vs 64 KB (per core)
L2 cache	2 MB vs 256 KB (per core)
Benchmarks
PassMark - Single thread mark	1234 vs 1131

Compare benchmarks

CPU 1: Intel Pentium G645T
CPU 2: AMD Athlon II X2 255

PassMark - Single thread mark

CPU 1

CPU 2

1131

1234

PassMark - CPU mark

CPU 1

CPU 2

1228

1170

Geekbench 4 - Single Core

CPU 1

CPU 2

452

353

Geekbench 4 - Multi-Core

CPU 1

CPU 2

848

660

Name	Intel Pentium G645T	AMD Athlon II X2 255
PassMark - Single thread mark	1131	1234
PassMark - CPU mark	1228	1170
Geekbench 4 - Single Core	452	353
Geekbench 4 - Multi-Core	848	660

Compare specifications (specs)

	Intel Pentium G645T	AMD Athlon II X2 255
Essentials
Architecture codename	Sandy Bridge	Regor
Launch date	September 2012	January 2010
Place in performance rating	2446	2450
Processor Number	G645T
Series	Legacy Intel® Pentium® Processor	AMD Athlon II X2
Status	Discontinued
Vertical segment	Desktop	Desktop
Family		AMD Athlon Processors
Launch price (MSRP)		$60
OPN PIB		AD255EHDGMBOX
OPN Tray		AD255EHDK23GM
Price now		$65.22
Value for money (0-100)		8.34
Performance
64 bit support
Base frequency	2.50 GHz	3.1 GHz
Bus Speed	5 GT/s DMI
Die size	131 mm	117 mm
L1 cache	64 KB (per core)	256 KB
L2 cache	256 KB (per core)	2 MB
L3 cache	3072 KB (shared)
Manufacturing process technology	32 nm	45 nm
Maximum core temperature	65.0°C	72°C
Maximum frequency	2.5 GHz	3.1 GHz
Number of cores	2	2
Number of threads	2	2
Transistor count	504 million	410 million
Unlocked
Memory
Max memory channels	2
Maximum memory bandwidth	17 GB/s
Maximum memory size	32 GB
Supported memory types	DDR3 1066	DDR3
Graphics
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
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	45 Watt
Peripherals
Max number of PCIe lanes	16
PCI Express revision	2.0
Security & Reliability
Execute Disable Bit (EDB)
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 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
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)