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AMD Phenom II X2 N640 vs AMD Phenom II X2 X640 BE vs AMD Phenom II X2 P650

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 P650

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The AMD Phenom II Dual-Core Mobile P650 is a dual core processor for laptops that clocks with 2.8 GHz. Due to the missing level 3 cache, the architecture is similar to the desktop Athlon II X2 (Athlon II X2 240e - Regor). Compared to the similar Phenom II N620, the P650 is specified with a lower TDP of 25 versus 35 Watt.

The performance should be similar to a 2.6 GHz Core 2 Duo (because of the larger Cache of the Core 2 series in this clock range). Compared to the current Intel Core-i processors, the Phenom II is only as fast as a Core i3-330M in synthetic benchmarks.

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

ModelAMD Phenom II X2 N640AMD Phenom II X2 X640 BEAMD Phenom II X2 P650
SeriesAMD Phenom II X2AMD Phenom II X2AMD Phenom II X2
CodenameChamplainChamplainChamplain
Series: Phenom II X2 Champlain
AMD Phenom II X2 X640 BE3.2 GHz2 / 2
AMD Phenom II X2 X620 BE3.1 GHz2 / 2
AMD Phenom II X2 N6603 GHz2 / 2
» AMD Phenom II X2 N6402.9 GHz2 / 2
AMD Phenom II X2 P6502.8 GHz2 / 2
AMD Phenom II X2 N6202.8 GHz2 / 2
» AMD Phenom II X2 X640 BE3.2 GHz2 / 2
AMD Phenom II X2 X620 BE3.1 GHz2 / 2
AMD Phenom II X2 N6603 GHz2 / 2
AMD Phenom II X2 N6402.9 GHz2 / 2
AMD Phenom II X2 P6502.8 GHz2 / 2
AMD Phenom II X2 N6202.8 GHz2 / 2
AMD Phenom II X2 X640 BE3.2 GHz2 / 2
AMD Phenom II X2 X620 BE3.1 GHz2 / 2
AMD Phenom II X2 N6603 GHz2 / 2
AMD Phenom II X2 N6402.9 GHz2 / 2
» AMD Phenom II X2 P6502.8 GHz2 / 2
AMD Phenom II X2 N6202.8 GHz2 / 2
Clock2900 MHz3200 MHz2800 MHz
FSB360036003600
L1 Cache256 KB256 KB256 KB
L2 Cache2 MB2 MB2 MB
Cores / Threads2 / 22 / 22 / 2
TDP35 Watt45 Watt25 Watt
Technology45 nm45 nm45 nm
SocketS1S1S1
FeaturesDDR3 memory controller, HyperTransport 3.0, SSE4A, AMD64, Enhanced Virus Protection, VurtualizationMMX, 3DNow!, SSE1-3A, AMD64, Enhanced Virus Protection, Virtualization, DDR3 Memory ControllerDDR3 memory controller, HyperTransport 3.0, SSE4A, AMD64, Enhanced Virus Protection, Vurtualization
Architecturex86x86x86
Announced

Benchmarks

Cinebench R11.5 - Cinebench R11.5 CPU Multi 64 Bit
100%
1 N640 +
1.7 Points (3%)
Cinebench R10 - Cinebench R10 Rend. Single (32bit)
100%
1 X640 BE +
2839 Points (25%)
Cinebench R10 - Cinebench R10 Rend. Multi (32bit)
100%
1 X640 BE +
5439 Points (7%)
wPrime 1.55 - wPrime 1.55 32m *
100%
1 X640 BE +
24.7 s (13%)
3DMark 06 - CPU - 3DMark 06 - CPU
100%
1 X640 BE +
2684 Points (6%)
Super Pi mod 1.5 XS 1M - Super Pi mod 1.5 XS 1M *
100%
1 X640 BE +
24.7 s (5%)
SiSoft Sandra Dhrystone (MIPS) - SiSoft Sandra Dhrystone (MIPS)
100%
1 X640 BE +
31446 MIPS (15%)

Average Benchmarks AMD Phenom II X2 N640 → NAN% n=

Average Benchmarks AMD Phenom II X2 X640 BE → NAN% n=

- Range of benchmark values for this graphics card
- Average benchmark values for this graphics card
* Smaller numbers mean a higher performance
1 This benchmark is not used for the average calculation

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#4 did not recreate cache, as it is less than 5 days old! Created at Sun, 25 Sep 2022 13:14:15 +0200 +0.001s ... 0.001s

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#24 got single benchmarks 2679 +0.005s ... 0.02s

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#26 got single benchmarks 1340 +0s ... 0.021s

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#35 min, max, avg, median took s +0s ... 0.023s

#36 return log +0s ... 0.023s

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> Notebook / Laptop Reviews and News > Benchmarks / Tech > Processor Comparison - Head 2 Head
Redaktion, 2017-09- 8 (Update: 2017-09-11)