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AMD Phenom II X4 X920 BE vs AMD Phenom II X4 P920

AMD Phenom II X4 X920 BE

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The AMD Phenom II X4 X920 BE (Black Edition) Quad Core was the fastest version of the Phenom II X4 for laptops in Q2 2010 and features an unlocked multiplier for easy overclocking. It was later replaced by the 100 MHz higher clocked X940 BE. With 45W TDP the AMD CPU needs as much power as the Core i7 quad cores but due to the missing level 3 cache, the performance should be worse. Compared to the desktop CPUs, the mobile Phenom II X4 is similar to a Athlon II X4 and produced in 45nm SOI.

The performance of the X920 differs from benchmark to benchmark. If only one core is used, the AMD quad core processor is only on par with a slow 2 GHz Core 2 Duo (e.g. Cinebench R10 Single). The old single threaded SuperPi benchmark is traditionally for AMD even worst on a level of a 1.4 GHz Core 2 Duo. However, if all four cores are used, the performance scores are in regions of the fast dual cores Core i5-540M to i7-640M (Cinebench R10 Multi, wPrieme 2, CB 11.5). The slowest Core i7 quad core (720QM) is still in every benchmark faster than the AMD CPU.

The Phenom II includes an integrated memory controller for DDR3 (max. 1333) main memory. It supports MMX, 3DNow!, SSE, SSE2, SSE3, SSE4A.

AMD Phenom II X4 P920

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The AMD Phenom II X4 P920 is a slow clocked quad-core CPU for laptops. Compared to the desktop Phenom II, the mobile Phenom II X4 offer no level 3 cache and are therefore compareable to the desktop Athlon X4 line. The slow clock speed allows the low powerconsumption (25 W TDP) but may lead to a bad performance in single threaded applications and games. For example in the single threaded CB10 test, the P920 only was as fast as a 1.6 GHz Core 2 Duo Dual-Core. In SuperPi even a 1.3 GHz Core 2 Duo was faster. If all four cores are used, the CPU can be as fast as a 2.3-2.4 GHz Core 2 Duo (e.g. T4500). In CB11.5 even as fast as a Core i3-330M. The Core i7-720QM Quad-Core is also rated at 1.6 GHz, but due to Turbo Boost and a large level 3 cache, the 720QM is noticeable faster (and more power hungry).

As the current Intel Core i3 CPUs, the P920 offers an integrated DDR3 memory controller (up to DDR3-1066). However it is still manufactured in 45nm (SOI process).

AMD Phenom II X4 X920 BEAMD Phenom II X4 P920
AMD Phenom II X4AMD Phenom II X4
ChamplainChamplain
Series: Phenom II X4 Champlain
AMD Phenom II X4 X940 BE compare2.4 GHz4 / 4
» AMD Phenom II X4 X920 BE2.3 GHz4 / 4
AMD Phenom II X4 N970 compare2.2 GHz4 / 4
AMD Phenom II X4 N950 compare2.1 GHz4 / 4
AMD Phenom II X4 N930 compare2 GHz4 / 4
AMD Phenom II X4 P960 compare1.8 GHz4 / 4
AMD Phenom II X4 P940 compare1.7 GHz4 / 4
AMD Phenom II X4 P9201.6 GHz4 / 4
AMD Phenom II X4 X940 BE compare2.4 GHz4 / 4
AMD Phenom II X4 X920 BE2.3 GHz4 / 4
AMD Phenom II X4 N970 compare2.2 GHz4 / 4
AMD Phenom II X4 N950 compare2.1 GHz4 / 4
AMD Phenom II X4 N930 compare2 GHz4 / 4
AMD Phenom II X4 P960 compare1.8 GHz4 / 4
AMD Phenom II X4 P940 compare1.7 GHz4 / 4
» AMD Phenom II X4 P9201.6 GHz4 / 4
2300 MHz1600 MHz
36003600
256 KB512 KB
2 MB2 MB
4 / 44 / 4
45 25
45 45
S1S1 (S1g4)
integrated DDR3-1333 memory controller, HyperTransport 3.0, Enhanced Virus Protection, AMD64, SSE4A, unlocked multiplierMMX, 3DNow, SSE (1,2,3,4A), AMD64, Enhanced Virus Protection, Virtualization, integrated DDR3-1066 memory controller, HyperTransport 3.0
Architecturex86x86
AMD Phenom II X4 X920 BEAMD Phenom II X4 P920

Benchmarks

Cinebench R11.5 - Cinebench R11.5 CPU Multi 64 Bit
min: 2.6     avg: 2.6     median: 2.6 (5%)     max: 2.62 Points
min: 1.78     avg: 1.8     median: 1.8 (4%)     max: 1.83 Points
Cinebench R10 - Cinebench R10 Rend. Single (32bit)
min: 1878     avg: 1940     median: 1935 (17%)     max: 2008
min: 1371     avg: 1604     median: 1395 (12%)     max: 2047
Cinebench R10 - Cinebench R10 Rend. Multi (32bit)
min: 6900     avg: 7048     median: 7082 (11%)     max: 7161
min: 3965     avg: 4700     median: 5042 (8%)     max: 5094
Cinebench R10 - Cinebench R10 Rend. Multi (64bit)
min: 8276     avg: 8391     median: 8390.5 (8%)     max: 8505 Points
min: 6065     avg: 6089     median: 6089 (6%)     max: 6113 Points
Cinebench R10 - Cinebench R10 Rend. Single (64bit)
min: 2362     avg: 2379     median: 2379 (17%)     max: 2396 Points
min: 1734     avg: 1743     median: 1743 (12%)     max: 1752 Points
wPrime 2.10 - wPrime 2.0 1024m *
min: 528.483     avg: 540     median: 540.2 (6%)     max: 552 s
min: 767     avg: 768     median: 767.5 (9%)     max: 768 s
wPrime 2.10 - wPrime 2.0 32m *
min: 16.661     avg: 17.5     median: 17.5 (4%)     max: 18.33 s
24 s (5%)
wPrime 1.55 - wPrime 1.55 32m *
100%
1 X920 BE +
17.1 s (9%)
3DMark 06 - CPU - 3DMark 06 - CPU
min: 3118     avg: 3241     median: 3164 (17%)     max: 3442 Points
min: 1863     avg: 2083     median: 2082.5 (12%)     max: 2302 Points
Super Pi mod 1.5 XS 1M - Super Pi mod 1.5 XS 1M *
min: 24.7     avg: 30.5     median: 33 (7%)     max: 33.743 s
min: 46     avg: 46.6     median: 46.8 (10%)     max: 47 s
Super Pi mod 1.5 XS 2M - Super Pi mod 1.5 XS 2M *
min: 76     avg: 76.7     median: 76.7 (3%)     max: 77.329 s
100%
P920 +
min: 46     avg: 76.8     median: 77.3 (3%)     max: 107 s
Super Pi Mod 1.5 XS 32M - Super Pi mod 1.5 XS 32M *
1793 s (8%)
min: 2476     avg: 2488     median: 2488 (11%)     max: 2500 s
SiSoft Sandra Dhrystone (MIPS) - SiSoft Sandra Dhrystone (MIPS)
100%
1 P920 +
min: 16680     avg: 20480     median: 20480 (10%)     max: 24280 MIPS
SiSoft Sandra Whetstone (MFLOPS) - SiSoft Sandra Whetstone (MFLOPS)
100%
1 P920 +
min: 13310     avg: 15720     median: 15720 (12%)     max: 18130 MFLOPS
PCMark 05 - PCMark 05 - Standard
4683 Points (29%)
115%
P920 +
5398 Points (34%)
Windows 7 Experience Index - Win7 CPU
100%
1 P920 +
6.2 Points (79%)
3DMark Vantage - 3DM Vant. Perf. CPU no Physx
7671 Points (9%)
min: 5353     avg: 5384     median: 5383.5 (6%)     max: 5414 Points

Average Benchmarks AMD Phenom II X4 X920 BE → 100% n=13

Average Benchmarks AMD Phenom II X4 P920 → 85% n=13

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