AMD Phenom II X3 720 vs AMD Phenom II X4 820

Comparative analysis of AMD Phenom II X3 720 and AMD Phenom II X4 820 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

AMD Phenom II X3 720

AMD Phenom II X4 820

Differences

Reasons to consider the AMD Phenom II X3 720

CPU is newer: launch date 4 month(s) later
Around 50% more L3 cache; more data can be stored in the L3 cache for quick access later
Around 3% better performance in Geekbench 4 - Single Core: 374 vs 364

Specifications (specs)
Launch date	January 2010 vs September 2009
L3 cache	6144 KB (shared) vs 4096 KB (shared)
Benchmarks
Geekbench 4 - Single Core	374 vs 364

Reasons to consider the AMD Phenom II X4 820

1 more cores, run more applications at once: 4 vs 3
Around 33% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 33% more L2 cache; more data can be stored in the L2 cache for quick access later
Around 1% better performance in PassMark - Single thread mark: 1121 vs 1106
Around 31% better performance in PassMark - CPU mark: 2081 vs 1584
Around 13% better performance in Geekbench 4 - Multi-Core: 1098 vs 968

Specifications (specs)
Number of cores	4 vs 3
L1 cache	128 KB (per core) vs 128 KB (per core)
L2 cache	512 KB (per core) vs 512 KB (per core)
Benchmarks
PassMark - Single thread mark	1121 vs 1106
PassMark - CPU mark	2081 vs 1584
Geekbench 4 - Multi-Core	1098 vs 968

Compare benchmarks

CPU 1: AMD Phenom II X3 720
CPU 2: AMD Phenom II X4 820

PassMark - Single thread mark

CPU 1

CPU 2

1106

1121

PassMark - CPU mark

CPU 1

CPU 2

1584

2081

Geekbench 4 - Single Core

CPU 1

CPU 2

374

364

Geekbench 4 - Multi-Core

CPU 1

CPU 2

968

1098

Name	AMD Phenom II X3 720	AMD Phenom II X4 820
PassMark - Single thread mark	1106	1121
PassMark - CPU mark	1584	2081
Geekbench 4 - Single Core	374	364
Geekbench 4 - Multi-Core	968	1098

Compare specifications (specs)

	AMD Phenom II X3 720	AMD Phenom II X4 820
Essentials
Architecture codename	Heka	Deneb
Launch date	January 2010	September 2009
Launch price (MSRP)	$75	$90
Place in performance rating	2575	2558
Price now	$69.99	$74.95
Value for money (0-100)	11.28	13.36
Vertical segment	Desktop	Desktop
Performance
64 bit support
Die size	258 mm	258 mm
L1 cache	128 KB (per core)	128 KB (per core)
L2 cache	512 KB (per core)	512 KB (per core)
L3 cache	6144 KB (shared)	4096 KB (shared)
Manufacturing process technology	45 nm	45 nm
Maximum frequency	2.8 GHz	2.8 GHz
Number of cores	3	4
Transistor count	758 million	758 million
Memory
Supported memory types	DDR3	DDR3
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	AM3	AM3
Thermal Design Power (TDP)	95 Watt	95 Watt