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Intel Core i5-450M vs Intel Core i5-2520M

Intel Core i5-450M

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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 i5-2520M

► remove from comparison Intel 2520M

The Intel Core i5-2520M is a fast dual-core processor released in Q1 2011. It is based on the Sandy Bridge architecture and offers Hyperthreading to run 4 threads simultaneously. Compared to the faster Core i7 family, the i5 offers smaller L3 cache at just 3MB. The base clock speed is 2.5 GHz with Turbo Boost potential up to 3 GHz for 2 active cores and 3.2 GHz for 1 active core.

Sandy Bridge is the evolutionary successor of the Arrandale architecture. The most notable improvements are the new 256-Bit AVX instructions, updated Turbo Boost 2.0, and the integration of a GPU onto the same 32 nm die. 

The i5-2520M offers an integrated graphics card (Intel HD Graphics 3000) that is clearly faster than the older Intel HD Graphics in Arrandale CPUs. The GPU shares the same fast L3 cache with the CPU cores by utilizing a new ring bus. GPU clock rates in the 2520M core can run from 650 MHz up to 1300 MHz with Turbo Boost.

Furthermore, an improved dual-channel DDR3 memory controller is included and shared between the CPU and GPU.

Due to the new architecture and updated Turbo Boost 2.0, the average performance of the Core i7-2540M is higher than a similarly clocked Arrandale Core i5. Its performance in synthetic benchmarks should be similar to the old Core i5-560M for demanding workloads.

The 35W TDP rating includes the integrated GPU and memory controller as well as the CPU itself.

ModelIntel Core i5-450MIntel Core i5-2520M
CodenameArrandaleSandy Bridge
SeriesIntel Core i5Intel Core i5
Series: Core i5 Sandy Bridge
Intel Core i5-580M compare2.67 - 3.33 GHz2 / 4 cores3 MB L3
Intel Core i5-560M compare2.67 - 3.2 GHz2 / 4 cores3 MB L3
Intel Core i5-480M compare2.67 - 2.93 GHz2 / 4 cores3 MB L3
Intel Core i5-540M compare2.53 - 3.07 GHz2 / 4 cores3 MB L3
Intel Core i5-460M compare2.53 - 2.8 GHz2 / 4 cores3 MB L3
Intel Core i5-520M compare2.4 - 2.93 GHz2 / 4 cores3 MB L3
Intel Core i5-450M « 2.4 - 2.66 GHz2 / 4 cores3 MB L3
Intel Core i5-430M compare2.26 - 2.53 GHz2 / 4 cores3 MB L3
Intel Core i5-560UM compare1.33 - 2.13 GHz2 / 4 cores3 MB L3
Intel Core i5-470UM compare1.33 - 1.87 GHz2 / 4 cores3 MB L3
Intel Core i5-540UM compare1.2 - 2 GHz2 / 4 cores3 MB L3
Intel Core i5-520UM compare1.06 - 1.87 GHz2 / 4 cores3 MB L3
Intel Core i5-430UM compare1.2 - 1.73 GHz2 / 4 cores3 MB L3
Intel Core i5-2540M compare2.6 - 3.3 GHz2 / 4 cores3 MB L3
Intel Core i5-2520M « 2.5 - 3.2 GHz2 / 4 cores3 MB L3
Intel Core i5-2450M compare2.5 - 3.1 GHz2 / 4 cores3 MB L3
Intel Core i5-2435M compare2.4 - 3 GHz2 / 4 cores3 MB L3
Intel Core i5-2430M compare2.4 - 3 GHz2 / 4 cores3 MB L3
Intel Core i5-2415M compare2.3 - 2.9 GHz2 / 4 cores3 MB L3
Intel Core i5-2410M compare2.3 - 2.9 GHz2 / 4 cores3 MB L3
Intel Core i5-2557M compare1.7 - 2.7 GHz2 / 4 cores3 MB L3
Intel Core i5-2467M compare1.6 - 2.3 GHz2 / 4 cores3 MB L3
Intel Core i5-2537M compare1.4 - 2.3 GHz2 / 4 cores3 MB L3
Clock2400 - 2660 MHz2500 - 3200 MHz
FSB2500
L1 Cache128 KB128 KB
L2 Cache512 KB512 KB
L3 Cache3 MB3 MB
Cores / Threads2 / 42 / 4
TDP35 Watt35 Watt
Transistors382+177 Million624 Million
Technology32 nm32 nm
Die Size81+114 mm2149 mm2
max. Temp.105 °C100 °C
SocketPGA988rPGA988B / BGA1023
FeaturesHD 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)HD Graphics 3000 (650-1300MHz), DDR3-1066/1333 Memory Controller (max 8GB), HyperThreading, AVX, Quick Sync, Virtualization
Architecturex86x86
Announced
Manufacturerark.intel.comark.intel.com
iGPUIntel HD Graphics 3000 (650 - 1300 MHz)
$225 U.S.

Benchmarks

Cinebench R11.5 - Cinebench R11.5 CPU Multi 64 Bit
100%
450M +
min: 1.71     avg: 2.1     median: 2.2 (3%)     max: 2.19 Points
min: 2.5     avg: 2.8     median: 2.9 (4%)     max: 2.89 Points
Cinebench R10 - Cinebench R10 Rend. Single (32bit)
100%
450M +
min: 2512     avg: 2882     median: 2922.5 (18%)     max: 3020 Points
min: 3370     avg: 3949     median: 4040.5 (24%)     max: 4110 Points
Cinebench R10 - Cinebench R10 Rend. Multi (32bit)
100%
450M +
min: 5580     avg: 6650     median: 6778.5 (5%)     max: 6945 Points
min: 7313     avg: 8516     median: 8814.5 (6%)     max: 8858 Points
Cinebench R10 - Cinebench R10 Rend. Multi (64bit)
100%
450M +
min: 7440     avg: 8070     median: 8094 (5%)     max: 8329 Points
min: 8789     avg: 10373     median: 10514 (7%)     max: 10797 Points
Cinebench R10 - Cinebench R10 Rend. Single (64bit)
100%
450M +
min: 3012     avg: 3549     median: 3628 (4%)     max: 3690 Points
min: 50.8     avg: 4703     median: 5004.5 (6%)     max: 5135 Points
wPrime 2.10 - wPrime 2.0 1024m *
100%
450M +
min: 589     avg: 901     median: 634 (7%)     max: 1933 s
min: 526     avg: 555     median: 554 (7%)     max: 605 s
wPrime 2.10 - wPrime 2.0 32m *
100%
450M +
min: 18.85     avg: 28.5     median: 20 (4%)     max: 59.2 s
min: 16.6     avg: 18.1     median: 18 (4%)     max: 21 s
3DMark 06 - CPU - 3DMark 06 - CPU
100%
450M +
min: 2571     avg: 2769     median: 2795 (6%)     max: 2840 Points
min: 3150     avg: 3469     median: 3541.5 (8%)     max: 3594 Points
Super Pi mod 1.5 XS 1M - Super Pi mod 1.5 XS 1M *
100%
450M +
min: 16     avg: 16.6     median: 16.4 (4%)     max: 18 s
min: 11     avg: 12.4     median: 12 (3%)     max: 13 s
Super Pi mod 1.5 XS 2M - Super Pi mod 1.5 XS 2M *
100%
450M +
min: 38     avg: 39.6     median: 39.4 (2%)     max: 41.3 s
min: 25     avg: 28.9     median: 29 (1%)     max: 31 s
Super Pi Mod 1.5 XS 32M - Super Pi mod 1.5 XS 32M *
100%
450M +
min: 877     avg: 917     median: 913.5 (4%)     max: 984 s
min: 623     avg: 677     median: 681 (3%)     max: 713 s
SiSoft Sandra Dhrystone (MIPS) - SiSoft Sandra Dhrystone (MIPS)
100%
450M +
min: 30620     avg: 32730     median: 31630 (15%)     max: 37850 MIPS
min: 49000     avg: 49675     median: 49675 (24%)     max: 50350 MIPS
SiSoft Sandra Whetstone (MFLOPS) - SiSoft Sandra Whetstone (MFLOPS)
100%
450M +
min: 27000     avg: 29144     median: 27680 (21%)     max: 35580 MFLOPS
min: 34390     avg: 34855     median: 34855 (27%)     max: 35320 MFLOPS
PCMark 05 - PCMark 05 - Standard
100%
450M +
6346 Points (13%)
min: 7319     avg: 7809     median: 7514 (16%)     max: 8593 Points
Windows 7 Experience Index - Win7 CPU
100%
450M +
min: 6.5     avg: 6.8     median: 6.8 (87%)     max: 6.8 Points
3DMark Vantage - 3DM Vant. Perf. CPU no Physx
100%
450M +
min: 7076     avg: 7489     median: 7585 (6%)     max: 7637 Points
min: 7940     avg: 9053     median: 9214 (7%)     max: 9674 Points
3DMark 11 - 3DM11 Performance Physics
100%
450M +
2222 Points (5%)
min: 3306     avg: 3510     median: 3449 (8%)     max: 3754 Points

Average Benchmarks Intel Core i5-450M → 100% n=17

Average Benchmarks Intel Core i5-2520M → 130% n=17

- Range of benchmark values for this graphics card
red legend - 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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v1.34
log 09. 03:45:59

#0 ran 0s before starting gpusingle class +0s ... 0s

#1 checking url part for id 964 +0s ... 0s

#2 checking url part for id 1493 +0s ... 0s

#3 redirected to Ajax server, took 1759974359s time from redirect:0 +0s ... 0s

#4 did not recreate cache, as it is less than 5 days old! Created at Tue, 07 Oct 2025 05:18:31 +0200 +0s ... 0s

#5 composed specs +0.005s ... 0.005s

#6 did output specs +0s ... 0.005s

#7 getting avg benchmarks for device 964 +0.001s ... 0.006s

#8 got single benchmarks 964 +0.022s ... 0.028s

#9 getting avg benchmarks for device 1493 +0.001s ... 0.029s

#10 got single benchmarks 1493 +0.02s ... 0.048s

#11 got avg benchmarks for devices +0s ... 0.048s

#12 min, max, avg, median took s +0.016s ... 0.064s

#13 return log +0.008s ... 0.072s

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> Expert Reviews and News on Laptops, Smartphones and Tech Innovations > Benchmarks / Tech > Processor Comparison - Head 2 Head
Redaktion, 2017-09- 8 (Update: 2023-07- 1)