AMD Phenom X4 9750B vs AMD Athlon 64 3800+

Comparative analysis of AMD Phenom X4 9750B and AMD Athlon 64 3800+ processors for all known characteristics in the following categories: Essentials, Performance, Compatibility, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

AMD Phenom X4 9750B

AMD Athlon 64 3800+

Differences

Reasons to consider the AMD Phenom X4 9750B

CPU is newer: launch date 3 year(s) 4 month(s) later
3 more cores, run more applications at once: 4 vs 1
A newer manufacturing process allows for a more powerful, yet cooler running processor: 65 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 36% better performance in PassMark - Single thread mark: 913 vs 673
2.6x better performance in PassMark - CPU mark: 1520 vs 590

Specifications (specs)
Launch date	August 2008 vs April 2005
Number of cores	4 vs 1
Manufacturing process technology	65 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	913 vs 673
PassMark - CPU mark	1520 vs 590

Reasons to consider the AMD Athlon 64 3800+

Around 7% lower typical power consumption: 89 Watt vs 95 Watt

Thermal Design Power (TDP)	89 Watt vs 95 Watt

Compare benchmarks

CPU 1: AMD Phenom X4 9750B
CPU 2: AMD Athlon 64 3800+

PassMark - Single thread mark

CPU 1

CPU 2

913

673

PassMark - CPU mark

CPU 1

CPU 2

1520

590

Name	AMD Phenom X4 9750B	AMD Athlon 64 3800+
PassMark - Single thread mark	913	673
PassMark - CPU mark	1520	590
Geekbench 4 - Single Core		1146
Geekbench 4 - Multi-Core		1094

Compare specifications (specs)

	AMD Phenom X4 9750B	AMD Athlon 64 3800+
Essentials
Architecture codename	Agena	Venice
Launch date	August 2008	April 2005
Place in performance rating	2386	2402
Vertical segment	Desktop	Desktop
Launch price (MSRP)		$160
Price now		$179.95
Value for money (0-100)		2.02
Performance
64 bit support
Die size	285 mm	83 mm
L1 cache	128 KB (per core)	128 KB
L2 cache	512 KB (per core)	512 KB
L3 cache	2048 KB (shared)
Manufacturing process technology	65 nm	90 nm
Maximum frequency	2.4 GHz	2.4 GHz
Number of cores	4	1
Transistor count	450 million	69 million
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	AM2+	939
Thermal Design Power (TDP)	95 Watt	89 Watt
Virtualization
AMD Virtualization (AMD-V™)