Intel Pentium G645T vs AMD A8-3870K

Comparative analysis of Intel Pentium G645T and AMD A8-3870K 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), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps).

Intel Pentium G645T

AMD A8-3870K

Differences

Reasons to consider the Intel Pentium G645T

CPU is newer: launch date 9 month(s) later
2.9x lower typical power consumption: 35 Watt vs 100 Watt
Around 21% better performance in Geekbench 4 - Single Core: 452 vs 373

Specifications (specs)
Launch date	September 2012 vs December 2011
Thermal Design Power (TDP)	35 Watt vs 100 Watt
Benchmarks
Geekbench 4 - Single Core	452 vs 373

Reasons to consider the AMD A8-3870K

Processor is unlocked, an unlocked multiplier allows for easier overclocking
2 more cores, run more applications at once: 4 vs 2
Around 20% higher clock speed: 3 GHz vs 2.5 GHz
4x more L1 cache, more data can be stored in the L1 cache for quick access later
8x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 7% better performance in PassMark - Single thread mark: 1209 vs 1131
Around 89% better performance in PassMark - CPU mark: 2323 vs 1228
Around 38% better performance in Geekbench 4 - Multi-Core: 1172 vs 848

Specifications (specs)
Unlocked	Unlocked vs Locked
Number of cores	4 vs 2
Maximum frequency	3 GHz vs 2.5 GHz
L1 cache	128 KB (per core) vs 64 KB (per core)
L2 cache	1024 KB (per core) vs 256 KB (per core)
Benchmarks
PassMark - Single thread mark	1209 vs 1131
PassMark - CPU mark	2323 vs 1228
Geekbench 4 - Multi-Core	1172 vs 848

Compare benchmarks

CPU 1: Intel Pentium G645T
CPU 2: AMD A8-3870K

PassMark - Single thread mark

CPU 1

CPU 2

1131

1209

PassMark - CPU mark

CPU 1

CPU 2

1228

2323

Geekbench 4 - Single Core

CPU 1

CPU 2

452

373

Geekbench 4 - Multi-Core

CPU 1

CPU 2

848

1172

Name	Intel Pentium G645T	AMD A8-3870K
PassMark - Single thread mark	1131	1209
PassMark - CPU mark	1228	2323
Geekbench 4 - Single Core	452	373
Geekbench 4 - Multi-Core	848	1172
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		2.914
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		9.482
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.191
CompuBench 1.5 Desktop - Video Composition (Frames/s)		0.4
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		3.344
GFXBench 4.0 - Car Chase Offscreen (Frames)		762
GFXBench 4.0 - Manhattan (Frames)		1721
GFXBench 4.0 - Car Chase Offscreen (Fps)		762
GFXBench 4.0 - Manhattan (Fps)		1721

Compare specifications (specs)

	Intel Pentium G645T	AMD A8-3870K
Essentials
Architecture codename	Sandy Bridge	Llano
Launch date	September 2012	December 2011
Place in performance rating	2534	2549
Processor Number	G645T
Series	Legacy Intel® Pentium® Processor
Status	Discontinued
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	2.50 GHz
Bus Speed	5 GT/s DMI
Die size	131 mm	228 mm
L1 cache	64 KB (per core)	128 KB (per core)
L2 cache	256 KB (per core)	1024 KB (per core)
L3 cache	3072 KB (shared)
Manufacturing process technology	32 nm	32 nm
Maximum core temperature	65.0°C
Maximum frequency	2.5 GHz	3 GHz
Number of cores	2	4
Number of threads	2
Transistor count	504 million	1178 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	FM1
Thermal Design Power (TDP)	35 Watt	100 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)
AMD Virtualization (AMD-V™)