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Intel Core i5-4258U

Intel 4258U

The Intel Core i5-4258U is a LV (low voltage) dual-core processor for large ultrabooks launched in Q2 2013. It is based on the Haswell architecture and is manufactured in 22nm. Due to Hyper-Threading, the two cores can handle up to four threads in parallel, leading to better utilization of the CPU. Each core offers a base speed of 2.4 GHz, but can dynamically increase clock rates with Turbo Boost up to 2.9 GHz for 1 or 2 active cores.

Haswell is the successor to the Ivy Bridge architecture with improvements on both GPU and CPU performance. The CPUs are produced in 22nm and offer an optimized branch prediction as well as additional execution ports, improving the performance per clock by almost 10 percent. Furthermore, new features like AVX2 and FMA should increase the performance in future applications.

Due to these architectural improvements, the performance is slightly above a similarly clocked Ivy Bridge CPU. Therefore, the Core i5-4258U is almost as fast as the older i5-3230M. However, when using new instruction sets such as AVX2 the performance can be significantly better. Thus, the CPU has sufficient power for office and multimedia purposes as well as more demanding applications.

The integrated Iris Graphics 5100 offers 40 Execution Units (EUs) clocked at 200 - 1100 MHz with Turbo Boost, making it significantly faster than the HD Graphics 4000. As a result, the Iris Graphics competes with dedicated lower mid-range graphics cards. However, even fast dual-channel memory limits the performance.

The i5-4258U is rated at a TDP of 28 W including the graphics card, memory controller, VRMs and the integrated chipset. Therefore, the CPU is suited for larger ultrabooks 14-inches or greater.

SeriesIntel Core i5
CodenameHaswell

Series: Core i5 Haswell

Intel Core i5-4340M compare2.9 - 3.6 GHz2 / 4 cores3 MB L3
Intel Core i5-4210H compare2.9 - 3.5 GHz2 / 4 cores3 MB L3
Intel Core i5-4330M compare2.8 - 3.5 GHz2 / 4 cores3 MB L3
Intel Core i5-4200H compare2.8 - 3.4 GHz2 / 4 cores3 MB L3
Intel Core i5-4308U compare2.8 - 3.3 GHz2 / 4 cores3 MB L3
Intel Core i5-4310M compare2.7 - 3.4 GHz2 / 4 cores3 MB L3
Intel Core i5-4400E compare2.7 - 3.3 GHz2 / 4 cores3 MB L3
Intel Core i5-4300M compare2.6 - 3.3 GHz2 / 4 cores3 MB L3
Intel Core i5-4210M compare2.6 - 3.2 GHz2 / 4 cores3 MB L3
Intel Core i5-4288U compare2.6 - 3.1 GHz2 / 4 cores3 MB L3
Intel Core i5-4278U compare2.6 - 3.1 GHz2 / 4 cores3 MB L3
Intel Core i5-4200M compare2.5 - 3.1 GHz2 / 4 cores3 MB L3
Intel Core i5-4258U « 2.4 - 2.9 GHz2 / 4 cores3 MB L3
Intel Core i5-4310U compare2 - 3 GHz2 / 4 cores3 MB L3
Intel Core i5-4360U compare1.5 - 3 GHz2 / 4 cores3 MB L3
Intel Core i5-4300U compare1.9 - 2.9 GHz2 / 4 cores3 MB L3
Intel Core i5-4350U compare1.4 - 2.9 GHz2 / 4 cores3 MB L3
Intel Core i5-4210U compare1.7 - 2.7 GHz2 / 4 cores3 MB L3
Intel Core i5-4260U compare1.4 - 2.7 GHz2 / 4 cores3 MB L3
Intel Core i5-4402E compare1.6 - 2.7 GHz2 / 4 cores3 MB L3
Intel Core i5-4200U compare1.6 - 2.6 GHz2 / 4 cores3 MB L3
Intel Core i5-4250U compare1.3 - 2.6 GHz2 / 4 cores3 MB L3
Intel Core i5-4300Y compare1.6 - 2.3 GHz2 / 4 cores3 MB L3
Intel Core i5-4302Y compare1.6 - 2.3 GHz2 / 4 cores3 MB L3
Intel Core i5-4202Y compare1.6 - 2 GHz2 / 4 cores3 MB L3
Intel Core i5-4220Y compare1.6 - 2 GHz2 / 4 cores3 MB L3
Intel Core i5-4210Y compare1.5 - 1.9 GHz2 / 4 cores3 MB L3
Intel Core i5-4200Y compare1.4 - 1.9 GHz2 / 4 cores3 MB L3
Clock Rate2400 - 2900 MHz
Level 1 Cache128 KB
Level 2 Cache512 KB
Level 3 Cache3 MB
Number of Cores / Threads2 / 4
Power Consumption (TDP = Thermal Design Power)28 Watt
Transistor Count1300 Million
Manufacturing Technology22 nm
Die Size181 mm2
Max. Temperature100 °C
SocketFCBGA
FeaturesIris Graphics 5100 (200 - 1100 MHz), DDR3(L)-1600 Memory Controller, HyperThreading, AVX, AVX2, Quick Sync, Virtualization, AES-NI
GPUIntel Iris Graphics 5100 (200 - 1100 MHz)
64 Bit64 Bit support
Architecturex86
Starting Price$342 U.S.
Announcement Date06/04/2013
Product Link (external)Intel Core i5 4258U

Benchmarks

Performance Rating - CB R15 + R20 + 7-Zip + X265 + Blender + 3DM11 CPU
24 pt (27%)
Cinebench R15 - Cinebench R15 CPU Multi 64 Bit
min: 261     avg: 278.3     median: 283 (3%)     max: 291 Points
0153045607590105120135150165180195210225240255270Tooltip
Cinebench R11.5 - Cinebench R11.5 CPU Multi 64 Bit
min: 2.92     avg: 3     median: 3 (4%)     max: 3.15 Points
Cinebench R11.5 - Cinebench R11.5 CPU Single 64 Bit
min: 1.21     avg: 1.2     median: 1.2 (4%)     max: 1.27 Points
Cinebench R10 - Cinebench R10 Rend. Single (32bit)
min: 4312     avg: 4572     median: 4571.5 (28%)     max: 4831 points
Cinebench R10 - Cinebench R10 Rend. Multi (32bit)
min: 9638     avg: 10121     median: 10121 (7%)     max: 10604 points
Cinebench R10 - Cinebench R10 Rend. Multi (64bit)
11829 Points (9%)
wPrime 2.10 - wPrime 2.0 1024m *
min: 566     avg: 568     median: 568 (7%)     max: 570 s
wPrime 2.10 - wPrime 2.0 32m *
min: 17.8     avg: 18     median: 18 (4%)     max: 18.2 s
X264 HD Benchmark 4.0 - x264 Pass 2
min: 17.65     avg: 18.1     median: 18.1 (7%)     max: 18.5 fps
X264 HD Benchmark 4.0 - x264 Pass 1
min: 90.9     avg: 94.1     median: 94.1 (22%)     max: 97.2 fps
HWBOT x265 Benchmark v2.2 - HWBOT x265 4k Preset
2.4 fps (5%)
00.20.40.70.91.11.31.61.822.22.52.72.93.13.43.63.844.3Tooltip
TrueCrypt - TrueCrypt Serpent
min: 0.147     avg: 0.1     median: 0.1 (5%)     max: 0.15 GB/s
TrueCrypt - TrueCrypt Twofish
min: 0.26     avg: 0.3     median: 0.3 (5%)     max: 0.267 GB/s
Super Pi mod 1.5 XS 1M - Super Pi mod 1.5 XS 1M *
min: 12.96     avg: 13.9     median: 13.9 (3%)     max: 14.9 s
Geekbench 3 - Geekbench 3 32 Bit Multi-Core
min: 5634     avg: 5783     median: 5782.5 (10%)     max: 5931 points
Geekbench 3 - Geekbench 3 32 Bit Single-Core
min: 2701     avg: 2739     median: 2739 (53%)     max: 2777 points
Geekbench 2 - 32 Bit - Geekbench Stream
min: 6428     avg: 7032     median: 7032 (57%)     max: 7636 Points
Geekbench 2 - 32 Bit - Geekbench Memory
min: 6211     avg: 6488     median: 6487.5 (59%)     max: 6764 Points
Geekbench 2 - 32 Bit - Geekbench Floating Point
min: 6644     avg: 8314     median: 8314 (16%)     max: 9984 Points
Geekbench 2 - 32 Bit - Geekbench Integer
min: 5218     avg: 5590     median: 5590 (11%)     max: 5962 Points
Geekbench 2 - 32 Bit - Geekbench Total Score
min: 6528     avg: 6867     median: 6866.5 (18%)     max: 7205 Points
Mozilla Kraken 1.1 - Kraken 1.1 Total Score *
min: 1435     avg: 1922     median: 2040 (2%)     max: 2292 ms
Sunspider - Sunspider 1.0 Total Score *
min: 99.1     avg: 121.6     median: 121.6 (1%)     max: 144 ms
Sunspider - Sunspider 0.9.1 Total Score *
min: 98.2     avg: 138.1     median: 138.1 (1%)     max: 178 ms
- Range of benchmark values for this graphics card
- Average benchmark values for this graphics card
* Smaller numbers mean a higher performance

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