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Intel Core i5-520UM vs Intel Core i5-580M

Intel Core i5-520UM

► remove from comparison Intel 520UM

The Intel Core i5-520UM is a Ultra Low Voltage dual-core processor for small and light laptops. It is clocked with 1.06 - 1.86 GHz (if Turbo Boost is enabled). Each core is based on the Nehalem (Westmere) micro-architecture. Hyperthreading enables the Dual Core CPU to handle 4 threads at once (for a better usage of the pipeline). Compared to the Core i7-620UM, the i5 offers only 3MB Level 3 cache (i7 4MB) and a lower maximum Turbo Boost frequency. Other Core i5 CPUs (withouth the U in the name) are faster due to the higher clock speed, but need more power.

A feature of the new Core i5-520UM is the integrated graphics card (called Intel HD Graphics) and memory controller. Both are on a separate die that is still manufactured in 45nm whereas the CPU die is already manufactured in the new 32nm process.

Due to the integrated memory controller, the HyperThreading and Turbo Boost, the  Core i5-520UM is faster than a similar clocked Core 2 Duo (1.2 GHz) in all (us known) applications and benchmarks. Still the Turbo Boost may not trigger very often (sometimes it is even not activated in the BIOS) and therefore the maximum of 1.86 GHz is not very important. 

The 32nm cpu cores of the Westmere generation can also process some new instructions to accelerate AES encryptions. Modern applications that support AES encoding can profit significantly using the new instructions (e.g. the Communications Suite test in the PCMark Vantage boosts up to 70% using AES in the faster Core i5-520M).

The integrated Intel Graphics Media Accelerator HD (GMA HD) graphics card is between 166-500 MHz (Turbo Boost) and therefore the base speed is clearly below the non low voltage versions. The performance should still be faster than the old GMA 4500MHD.

The power consumption of 18 Watt TDP (max.) counts for the whole package and therefore it is clearly better than the 17 Watt TDP of the Core 2 Duo SL-series (CPU alone).

Intel Core i5-580M

► remove from comparison Intel 580M

The Intel Core i5-580M is a high end dual core CPU for laptops and clocks (due to the Turbo Mode) from 2.66 to 3.33 GHz. Each core is based on the Nehalem (Westmere) micro-architecture. Hyperthreading enables the Dual Core CPU to handle 4 threads at once (for a better usage of the pipeline). Compared to the Core i7-620M, the 580M only has 3 MB Level 3 Cache.

A feature of the new Core i5-580M is the integrated graphics card called GMA HD and memory controller for DDR3-800/1066. Both are on a separate die that is still manufactured in 45nm whereas the CPU die is already manufactured in the new 32nm process.

The performance of the Core i5-580M should be a bit beyond the Core i7-620M and therefore the second fastest dual core CPU for laptops in 2010. Compared to the older Core 2 Duo models, the i5-580M should be faster than the T9900. Therefore, the Core i5-580M is a high end dual core cpu which should handle all daily work and gaming tasks. Only the quad core i7 CPUs can be noticeably faster at tasks that require four or more threads (e.g. rendering).

The 32nm cpu cores of the Westmere generation can also process some new instructions to accelerate AES encryptions.

The integrated Intel Graphics Media Accelerator HD (GMA HD) graphics card is known to be clocked up to 500-766 MHz and should be clearly faster than the old GMA 4500MHD. A GeForce 9400M (ION) should still be a faster (especially as Nvidia and ATI cards have a better driver support than Intel up to now). According to rumors, the GMA core will also use the Turbo Mode regulate the clock speed.

The power consumption of 35 Watt TDP (max.) counts for the whole package and therefore it is clearly better than the 35 Watt TDP of the Core 2 Duo T-series (CPU alone). Due to the Turbo Boost, the Core i5 is likely to use the whole TDP of 35 Watt under load and therefore can use more power than a similar specified Core 2 Duo. In Idle mode, the i5 uses clearly less power than the Core 2 Duo CPUs.

Intel Core i5-520UMIntel Core i5-580M
Intel Core i5Intel Core i5
ArrandaleArrandale
Series: Core i5 Arrandale
Intel Core i5-580M2.67 - 3.33 GHz2 / 43 MB
Intel Core i5-560M compare2.67 - 3.2 GHz2 / 43 MB
Intel Core i5-480M compare2.67 - 2.93 GHz2 / 43 MB
Intel Core i5-540M compare2.53 - 3.07 GHz2 / 43 MB
Intel Core i5-460M compare2.53 - 2.8 GHz2 / 43 MB
Intel Core i5-520M compare2.4 - 2.93 GHz2 / 43 MB
Intel Core i5-450M compare2.4 - 2.66 GHz2 / 43 MB
Intel Core i5-430M compare2.26 - 2.53 GHz2 / 43 MB
Intel Core i5-560UM compare1.33 - 2.13 GHz2 / 43 MB
Intel Core i5-470UM compare1.33 - 1.87 GHz2 / 43 MB
Intel Core i5-540UM compare1.2 - 2 GHz2 / 43 MB
» Intel Core i5-520UM1.06 - 1.87 GHz2 / 43 MB
Intel Core i5-430UM compare1.2 - 1.73 GHz2 / 43 MB
» Intel Core i5-580M2.67 - 3.33 GHz2 / 43 MB
Intel Core i5-560M compare2.67 - 3.2 GHz2 / 43 MB
Intel Core i5-480M compare2.67 - 2.93 GHz2 / 43 MB
Intel Core i5-540M compare2.53 - 3.07 GHz2 / 43 MB
Intel Core i5-460M compare2.53 - 2.8 GHz2 / 43 MB
Intel Core i5-520M compare2.4 - 2.93 GHz2 / 43 MB
Intel Core i5-450M compare2.4 - 2.66 GHz2 / 43 MB
Intel Core i5-430M compare2.26 - 2.53 GHz2 / 43 MB
Intel Core i5-560UM compare1.33 - 2.13 GHz2 / 43 MB
Intel Core i5-470UM compare1.33 - 1.87 GHz2 / 43 MB
Intel Core i5-540UM compare1.2 - 2 GHz2 / 43 MB
Intel Core i5-520UM1.06 - 1.87 GHz2 / 43 MB
Intel Core i5-430UM compare1.2 - 1.73 GHz2 / 43 MB
1060 - 1866 MHz2666 - 3333 MHz
25004800
512 KB512 KB
3 MB3 MB
2 / 42 / 4
18 35
382+177 382+177
32 32
81+114 mm281+114 mm2
105 °C105 °C
BGA1288BGA1288, PGA988
Turbo Boost (1.86 GHz max), Hyper Threading, Enhanced Speedstep, integrated GMA HD 166-500MHzTurbo Boost, Hyper Threading, Enhanced Speedstep, integrierte GMA HD 500-733MHz, Dual Channel DDR3 memory controller
Architecturex86x86
$241 U.S.$266 U.S.
Intel Core i5 520UMIntel Core i5 580M
128 KB

Benchmarks

Cinebench R11.5 - Cinebench R11.5 CPU Multi 64 Bit
min: 1.02     avg: 1.2     median: 1.2 (2%)     max: 1.33 Points
205%
580M +
min: 2.41     avg: 2.5     median: 2.5 (5%)     max: 2.5 Points
Cinebench R10 - Cinebench R10 Rend. Single (32bit)
min: 1471     avg: 1981     median: 1942.5 (17%)     max: 2569
181%
580M +
min: 3511     avg: 3545     median: 3519 (31%)     max: 3606
Cinebench R10 - Cinebench R10 Rend. Multi (32bit)
min: 2785     avg: 3670     median: 3778 (6%)     max: 4340
203%
580M +
min: 7591     avg: 7700     median: 7666 (12%)     max: 7842
Cinebench R10 - Cinebench R10 Rend. Multi (64bit)
min: 3946     avg: 4600     median: 4632.5 (4%)     max: 5187 Points
200%
580M +
min: 7549     avg: 8744     median: 9273 (9%)     max: 9411 Points
Cinebench R10 - Cinebench R10 Rend. Single (64bit)
min: 2263     avg: 2561     median: 2423.5 (17%)     max: 3135 Points
180%
580M +
min: 3535     avg: 4095     median: 4374 (31%)     max: 4377 Points
wPrime 2.10 - wPrime 2.0 1024m *
100%
1 520UM +
min: 995     avg: 1110     median: 1110 (13%)     max: 1224.9 s
wPrime 2.10 - wPrime 2.0 32m *
100%
1 520UM +
min: 31.8     avg: 35.2     median: 35.2 (7%)     max: 38.5 s
3DMark 06 - CPU - 3DMark 06 - CPU
min: 982     avg: 1429     median: 1492 (8%)     max: 1718 Points
213%
580M +
min: 3126     avg: 3174     median: 3174 (18%)     max: 3222 Points
Super Pi mod 1.5 XS 1M - Super Pi mod 1.5 XS 1M *
min: 24     avg: 26.7     median: 25 (5%)     max: 31 s
103%
580M +
min: 13     avg: 13.3     median: 13 (3%)     max: 14 s
Super Pi mod 1.5 XS 2M - Super Pi mod 1.5 XS 2M *
min: 56     avg: 62.3     median: 58 (2%)     max: 73 s
101%
580M +
min: 32     avg: 33     median: 33 (1%)     max: 34 s
Super Pi Mod 1.5 XS 32M - Super Pi mod 1.5 XS 32M *
min: 1303     avg: 1439     median: 1341 (6%)     max: 1674 s
103%
580M +
min: 769     avg: 781     median: 773 (3%)     max: 801 s
SiSoft Sandra Dhrystone (MIPS) - SiSoft Sandra Dhrystone (MIPS)
100%
1 580M +
43800 MIPS (21%)
SiSoft Sandra Whetstone (MFLOPS) - SiSoft Sandra Whetstone (MFLOPS)
100%
1 580M +
31750 MFLOPS (24%)
PCMark 05 - PCMark 05 - Standard
100%
1 520UM +
min: 2848     avg: 3571     median: 3925 (25%)     max: 3940 Points
Windows 7 Experience Index - Win7 CPU
min: 3.9     avg: 4.7     median: 4.8 (61%)     max: 5.4 Points
145%
580M +
6.9 Points (88%)
3DMark Vantage - 3DM Vant. Perf. CPU no Physx
min: 3751     avg: 4065     median: 4064.5 (5%)     max: 4378 Points
208%
580M +
min: 8375     avg: 8458     median: 8457.5 (10%)     max: 8540 Points

Average Benchmarks Intel Core i5-520UM → 100% n=11

Average Benchmarks Intel Core i5-580M → 168% n=11

- 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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v1.16
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Redaktion, 2017-09- 8 (Update: 2017-09-11)