AMD Phenom II X4 820 vs AMD Athlon 64 3500+

Comparative analysis of AMD Phenom II X4 820 and AMD Athlon 64 3500+ 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 X4 820

AMD Athlon 64 3500+

Differences

Reasons to consider the AMD Phenom II X4 820

CPU is newer: launch date 8 year(s) 8 month(s) later
3 more cores, run more applications at once: 4 vs 1
Around 27% higher clock speed: 2.8 GHz vs 2.2 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 90 nm
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 81% better performance in PassMark - Single thread mark: 1121 vs 620
3.9x better performance in PassMark - CPU mark: 2081 vs 539
Around 15% better performance in Geekbench 4 - Multi-Core: 1098 vs 954

Specifications (specs)
Launch date	September 2009 vs January 2001
Number of cores	4 vs 1
Maximum frequency	2.8 GHz vs 2.2 GHz
Manufacturing process technology	45 nm vs 90 nm
L1 cache	128 KB (per core) vs 128 KB
L2 cache	512 KB (per core) vs 512 KB
Benchmarks
PassMark - Single thread mark	1121 vs 620
PassMark - CPU mark	2081 vs 539
Geekbench 4 - Multi-Core	1098 vs 954

Reasons to consider the AMD Athlon 64 3500+

Around 42% lower typical power consumption: 67 Watt vs 95 Watt
2.8x better performance in Geekbench 4 - Single Core: 1008 vs 364

Specifications (specs)
Thermal Design Power (TDP)	67 Watt vs 95 Watt
Benchmarks
Geekbench 4 - Single Core	1008 vs 364

Compare benchmarks

CPU 1: AMD Phenom II X4 820
CPU 2: AMD Athlon 64 3500+

PassMark - Single thread mark

CPU 1

CPU 2

1121

620

PassMark - CPU mark

CPU 1

CPU 2

2081

539

Geekbench 4 - Single Core

CPU 1

CPU 2

364

1008

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1098

954

Name	AMD Phenom II X4 820	AMD Athlon 64 3500+
PassMark - Single thread mark	1121	620
PassMark - CPU mark	2081	539
Geekbench 4 - Single Core	364	1008
Geekbench 4 - Multi-Core	1098	954

Compare specifications (specs)

	AMD Phenom II X4 820	AMD Athlon 64 3500+
Essentials
Architecture codename	Deneb	San Diego
Launch date	September 2009	January 2001
Launch price (MSRP)	$90	$59
Place in performance rating	2558	2546
Price now	$74.95	$108.95
Value for money (0-100)	13.36	1.46
Vertical segment	Desktop	Desktop
Performance
64 bit support
Die size	258 mm	115 mm
L1 cache	128 KB (per core)	128 KB
L2 cache	512 KB (per core)	512 KB
L3 cache	4096 KB (shared)
Manufacturing process technology	45 nm	90 nm
Maximum frequency	2.8 GHz	2.2 GHz
Number of cores	4	1
Transistor count	758 million	105 million
Memory
Supported memory types	DDR3
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	AM3	939
Thermal Design Power (TDP)	95 Watt	67 Watt