AMD Phenom II X2 N640 vs AMD Phenom II X2 X640 BE

AMD Phenom II X2 N640

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The AMD Phenom II Dual-Core Mobile N640 is a dual core processor for laptops that clocks with 2.9 GHz. Due to the missing level 3 cache, the architecture is similar to the desktop Athlon II X2 (Athlon II X2 245 - Regor).

The performance should be similar to a 2.7 GHz Core 2 Duo (because of the larger Cache of the Core 2 series in this clock range). Compared to current Intel Core-i processors, the Phenom II N640 is only as fast as an entry level Core i3-350M in synthetic benchmarks.

As a difference to the Core 2 series, the Phenom II offers an integrated DDR3 memory controller on the processor die.

AMD Phenom II X2 X640 BE

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The AMD Phenom II X2 Dual-Core Mobile X640 BE (Black Edition) is a dual core processor for laptops that clocks with 3.2 GHz. Due to the missing level 3 cache, the architecture is similar to the desktop Athlon II X2 (Athlon II X2 260). The performance should be similar to a 2.9 GHz Core 2 Duo (because of the larger Cache of the Core 2 series in this clock range). Due to the missing multiplicator lock, the X640BE is easy to overclock (if the BIOS supports it).

As a difference to the Core 2 series, the Phenom II offers an integrated DDR3 memory controller on the processor die. It is manufactured in 45nm SOI and specified with 45 Watt TDP.

AMD Phenom II X2 N640AMD Phenom II X2 X640 BE
AMD Phenom II X2AMD Phenom II X2
ChamplainChamplain
: Phenom II X2 Champlain
AMD Phenom II X2 X640 BE3200 MHz2 / 2
AMD Phenom II X2 X620 BE (compare)3100 MHz2 / 2
AMD Phenom II X2 N660 (compare)3000 MHz2 / 2
» AMD Phenom II X2 N6402900 MHz2 / 2
AMD Phenom II X2 P650 (compare)2800 MHz2 / 2
AMD Phenom II X2 N620 (compare)2800 MHz2 / 2
» AMD Phenom II X2 X640 BE3200 MHz2 / 2
AMD Phenom II X2 X620 BE (compare)3100 MHz2 / 2
AMD Phenom II X2 N660 (compare)3000 MHz2 / 2
AMD Phenom II X2 N6402900 MHz2 / 2
AMD Phenom II X2 P650 (compare)2800 MHz2 / 2
AMD Phenom II X2 N620 (compare)2800 MHz2 / 2
2900 MHz3200 MHz
36003600
256 KB256 KB
2 MB2 MB
2 / 22 / 2
35 45
45 45
S1S1
DDR3 memory controller, HyperTransport 3.0, SSE4A, AMD64, Enhanced Virus Protection, VurtualizationMMX, 3DNow!, SSE1-3A, AMD64, Enhanced Virus Protection, Virtualization, DDR3 Memory Controller

Cinebench R11.5 - CPU Multi 64Bit
100%
N640 +
1.7 Points (6%)
Cinebench R10 - Rendering Single 32Bit
2839 Points (31%)
Cinebench R10 - Rendering Multiple CPUs 32Bit
5439 Points (11%)
wPrime 1.55 - 32m *
24.7 seconds (13%)
3DMark 06 - CPU
2684 Points (19%)
Super Pi mod 1.5 XS 1M *
24.7 Seconds (5%)
SiSoft Sandra Dhrystone (MIPS)
31446 MIPS (15%)

Average Benchmarks AMD Phenom II X2 N640 → 100%

Average Benchmarks AMD Phenom II X2 X640 BE → 100%

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* Smaller numbers mean a higher performance
1 This benchmark is not used for the average calculation

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Redaktion, 2017-09- 8 (Update: 2017-09-11)