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Intel Core i5-520UM vs Intel Core i5-450M

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 i5-450M

► remove from comparison

The Intel Core i5-450M is a dual-core laptop CPU and clocks (due to Turbo Boost) with max. 2.4 - 2.66 GHz. Both cores are based on the Nehalem (Westmere) micro-architecture and due to Hyperthreading the processor is able to work with 4 threads simultaneously. The performance of the i5 is in the mid-range. The i5-450M is similar to the Core i5-520M, but the 450M does not offer AES functions.

A feature of the new Core i5-450M is the integrated graphics card called GMA HD 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.

The performance of the i5 450M is on average faster than a Core 2 Duo T9500 and due to the Turbo Boost, single threaded applications run even better. Therefore, the Core i5-520M is as fast as high clocked Core 2 Duo CPUs and should handle most gaming and multimedia tasks well.

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 more likely uses the TDP under load than the older Core 2 Duo CPUs. Without any load, the i5 uses noticable less power.

Intel Core i5-520UMIntel Core i5-450M
Intel Core i5Intel Core i5
ArrandaleArrandale
Series: Core i5 Arrandale
Intel Core i5-580M compare2.67 - 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 i5-450M2.4 - 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 i5-580M compare2.67 - 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 i5-450M2.4 - 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 MHz2400 - 2660 MHz
25002500
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
BGA1288PGA988
Turbo Boost (1.86 GHz max), Hyper Threading, Enhanced Speedstep, integrated GMA HD 166-500MHzHD Graphics (500-766MHz), DDR3-800/1066 Memory Controller (max. 8 GB), Turbo Boost, Hyper-Threading, Virtualization VT-x, Intel 64, Idle States, Enhanced Speedstep, Execute Disable Bit, MMX, SSE (1, 2, 3, 3S, 4.1, 4.2)
Architecturex86x86
$241 U.S.
Intel Core i5 520UMIntel Core i5 450M
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
181%
450M +
min: 1.71     avg: 2.1     median: 2.2 (4%)     max: 2.19 Points
Cinebench R10 - Cinebench R10 Rend. Single (32bit)
min: 1471     avg: 1981     median: 1942.5 (17%)     max: 2569
150%
450M +
min: 2512     avg: 2882     median: 2922.5 (26%)     max: 3020
Cinebench R10 - Cinebench R10 Rend. Multi (32bit)
min: 2785     avg: 3670     median: 3778 (6%)     max: 4340
179%
450M +
min: 5580     avg: 6650     median: 6778.5 (11%)     max: 6945
Cinebench R10 - Cinebench R10 Rend. Multi (64bit)
min: 3946     avg: 4600     median: 4632.5 (4%)     max: 5187 Points
175%
450M +
min: 7440     avg: 8070     median: 8094 (8%)     max: 8329 Points
Cinebench R10 - Cinebench R10 Rend. Single (64bit)
min: 2263     avg: 2561     median: 2423.5 (17%)     max: 3135 Points
150%
450M +
min: 3012     avg: 3549     median: 3628 (26%)     max: 3690 Points
wPrime 2.10 - wPrime 2.0 1024m *
min: 995     avg: 1110     median: 1110 (13%)     max: 1224.9 s
106%
450M +
min: 589     avg: 901     median: 634.3 (7%)     max: 1933.02 s
wPrime 2.10 - wPrime 2.0 32m *
min: 31.8     avg: 35.2     median: 35.2 (7%)     max: 38.5 s
103%
450M +
min: 18.85     avg: 28.5     median: 20 (4%)     max: 59.233 s
3DMark 06 - CPU - 3DMark 06 - CPU
min: 982     avg: 1429     median: 1492 (8%)     max: 1718 Points
187%
450M +
min: 2571     avg: 2769     median: 2795 (15%)     max: 2840 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
102%
450M +
min: 16     avg: 16.5     median: 16.4 (4%)     max: 18 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%
450M +
min: 38     avg: 39.6     median: 39.4 (2%)     max: 41.3 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
102%
450M +
min: 877     avg: 917     median: 913.5 (4%)     max: 984 s
SiSoft Sandra Dhrystone (MIPS) - SiSoft Sandra Dhrystone (MIPS)
100%
1 450M +
min: 30620     avg: 32730     median: 31630 (15%)     max: 37850 MIPS
SiSoft Sandra Whetstone (MFLOPS) - SiSoft Sandra Whetstone (MFLOPS)
100%
1 450M +
min: 27000     avg: 29144     median: 27680 (21%)     max: 35580 MFLOPS
PCMark 05 - PCMark 05 - Standard
min: 2848     avg: 3571     median: 3925 (25%)     max: 3940 Points
162%
450M +
6346 Points (40%)
Windows 7 Experience Index - Win7 CPU
min: 3.9     avg: 4.7     median: 4.8 (61%)     max: 5.4 Points
143%
450M +
min: 6.5     avg: 6.8     median: 6.8 (87%)     max: 6.8 Points
3DMark Vantage - 3DM Vant. Perf. CPU no Physx
min: 3751     avg: 4065     median: 4064.5 (5%)     max: 4378 Points
187%
450M +
min: 7076     avg: 7489     median: 7585 (9%)     max: 7637 Points
3DMark 11 - 3DM11 Performance Physics
100%
1 450M +
2222 Points (8%)

Average Benchmarks Intel Core i5-520UM → 100% n=14

Average Benchmarks Intel Core i5-450M → 145% n=14

- 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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#6 getting avg benchmarks for device 563 +0s ... 0.01s

#7 got single benchmarks 563 +0.017s ... 0.027s

#8 getting avg benchmarks for device 964 +0.001s ... 0.028s

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#10 got avg benchmarks for devices +0s ... 0.079s

#11 min, max, avg, median took s +0.015s ... 0.093s

#12 return log +0.028s ... 0.121s

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