AMD Athlon X4 850 vs AMD Athlon II X4 638
Comparative analysis of AMD Athlon X4 850 and AMD Athlon II X4 638 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.
Differences
Reasons to consider the AMD Athlon X4 850
- CPU is newer: launch date 3 year(s) 4 month(s) later
- Processor is unlocked, an unlocked multiplier allows for easier overclocking
- Around 44% higher clock speed: 3.9 GHz vs 2.7 GHz
- Around 28% higher maximum core temperature: 90°C vs 70.10°C
- A newer manufacturing process allows for a more powerful, yet cooler running processor: 28 nm vs 32 nm
- Around 35% better performance in PassMark - Single thread mark: 1575 vs 1163
- Around 50% better performance in PassMark - CPU mark: 3366 vs 2250
Specifications (specs) | |
Launch date | Jul 2015 vs February 2012 |
Unlocked | Unlocked vs Locked |
Maximum frequency | 3.9 GHz vs 2.7 GHz |
Maximum core temperature | 90°C vs 70.10°C |
Manufacturing process technology | 28 nm vs 32 nm |
Benchmarks | |
PassMark - Single thread mark | 1575 vs 1163 |
PassMark - CPU mark | 3366 vs 2250 |
Reasons to consider the AMD Athlon II X4 638
- 2x more L1 cache, more data can be stored in the L1 cache for quick access later
- 1048576x more L2 cache, more data can be stored in the L2 cache for quick access later
L1 cache | 512 KB vs 256K |
L2 cache | 4 MB vs 4MB |
Compare benchmarks
CPU 1: AMD Athlon X4 850
CPU 2: AMD Athlon II X4 638
PassMark - Single thread mark |
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PassMark - CPU mark |
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Name | AMD Athlon X4 850 | AMD Athlon II X4 638 |
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PassMark - Single thread mark | 1575 | 1163 |
PassMark - CPU mark | 3366 | 2250 |
Geekbench 4 - Single Core | 1654 | |
Geekbench 4 - Multi-Core | 4651 |
Compare specifications (specs)
AMD Athlon X4 850 | AMD Athlon II X4 638 | |
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Essentials |
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Architecture codename | Godaveri | Llano |
Launch date | Jul 2015 | February 2012 |
Place in performance rating | 1620 | 1618 |
Family | AMD Athlon Processors | |
OPN PIB | AD638XOJGXBOX | |
OPN Tray | AD638XOJZ43GX | |
Price now | $26.49 | |
Series | AMD Athlon II X4 | |
Value for money (0-100) | 35.55 | |
Vertical segment | Desktop | |
Performance |
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Base frequency | 3.2 GHz | 2.7 GHz |
Die size | 245 mm² | 228 mm |
L1 cache | 256K | 512 KB |
L2 cache | 4MB | 4 MB |
Manufacturing process technology | 28 nm | 32 nm |
Maximum core temperature | 90°C | 70.10°C |
Maximum frequency | 3.9 GHz | 2.7 GHz |
Number of cores | 4 | 4 |
Number of threads | 4 | 4 |
Transistor count | 2,411 million | 1178 million |
Unlocked | ||
64 bit support | ||
Memory |
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ECC memory support | ||
Supported memory types | DDR3-2133 MHz, Dual-channel | DDR3 |
Compatibility |
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Max number of CPUs in a configuration | 1 | 1 |
Sockets supported | FM2+ | FM1 uPGA |
Thermal Design Power (TDP) | 65 Watt | 65 Watt |
Peripherals |
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PCIe configurations | Gen 3, 16 Lanes, (CPU only) | |
Virtualization |
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AMD Virtualization (AMD-V™) |