Texas Instruments OMAP 4430 vs 4460 | TI OMAP 4460 vs 4430 Ceev, Performance
Kab lus no piv ob peb ntawm System-on-Chips (SoC) nyuam qhuav tsim thiab tsim los ntawm Texas Instruments (TI) tsom rau cov khoom siv tes. Hauv Layperson lub sij hawm, SoC yog lub computer ntawm ib qho IC (Integrated Circuit, aka nti). Technically, SoC yog ib qho IC uas sib txuas cov khoom siv hauv lub computer (xws li microprocessor, nco, input / output) thiab lwm lub tshuab uas ua haujlwm rau hluav taws xob thiab xov tooj cua. TI tso tawm OMAP 4430 nyob rau hauv thawj peb lub hlis twg ntawm 2011 thiab tso tawm nws successor, OMAP 4460, nyob rau hauv lub quarter kawg ntawm 2011. TI tau tsim nws cov OMAP (cov ntawv luv rau Qhib Multimedia Application Platform) SoCs los tsav cov xov tooj ntse, ntsiav tshuaj thiab lwm yam khoom siv hauv xov tooj ntawm tes. Ob leeg 4430 thiab 4460 yog TI's plaub tiam OMAPs.
Feem ntau, cov khoom tseem ceeb ntawm SoC yog nws CPU (Central Processing Unit) thiab GPU (Graphics Processing Unit). Cov CPUs nyob rau hauv ob qho tib si OMAP 4430 thiab OMAP 4460 yog raws li ARM's (Advanced RICS - Txo Kev Qhia Teeb Computer - Tshuab, tsim los ntawm ARM Holdings) v7 ISA (Instruction Set Architecture, ib qho uas yog siv los ua qhov chaw pib ntawm kev tsim lub processor), thiab lawv GPUs yog raws li PowerVR's SGX540. Ob lub SoCs yog tsim los siv lub tshuab semiconductor hu ua 45nm.
TI OMAP 4430
OMAP 4430 tau tso tawm hauv thawj peb lub hlis twg ntawm 2011 thiab raws li PDAdb.net nws tau xa mus ua ntej hauv BlackBerry's Playbook. Ntau lwm yam khoom siv xws li xov tooj, PDAs thiab ntsiav tshuaj, tom qab siv nws. PandaBoard, lub zej zog nto moo txhawb nqa kev txhim kho adacemic, muaj OMAP 4430 ua nws lub ntsiab processor. CPU siv hauv OMAP 4430 yog ARM's dual core CoteX A9 architecture thiab GPU siv yog PowerVR's SGX540. Hauv OMAP 4430, CPU tau clocked ntawm 1GHz, thiab GPU tau clocked ntawm 304MHz (uas yog kuj siab dua piv rau clocking ntawm tib GPU nyob rau hauv lwm yam SoCs qhov twg SGX540 tau deployed). Lub nti tau ntim nrog ob qho tib si L1 thiab L2 cache hierarchies hauv nws lub CPU dual core thiab tau ntim nrog 1GB DDR2 lub zog qis RAM.
TI OMAP 4460
OMAP 4460 tau tso tawm hauv lub quarter thib plaub ntawm 2011 thiab raws li PDAdb.net nws tau xub xa tawm hauv Archos lub cuaj tiam ntsiav tshuaj PCs. Nws yog SoC ntawm kev xaiv rau yav tom ntej (tso tawm thaum nruab nrab Lub Kaum Ib Hlis 2011) Google's Galaxy Nexus smartphone tsim los ntawm Samsung rau Google. OMAP 4460 siv tib CPU thiab GPU li OMAP 4430; Txawm li cas los xij, ob qho tib si yog clocked ntawm ntau zaus, 1.5GHz thiab 384MHz feem. Lub nti tau ntim nrog cov cache zoo sib xws thiab lub cim xeeb hierarchies.
Kev sib piv ntawm OMAP 4430 thiab OMAP 4460 yog tabulated hauv qab no.
| TI OMAP 4430 | TI OMAP 4460 | |
| Hnub tso tawm | Q1, 2011 | Q4, 2011 |
| Type | MPSoC | MPSoC |
| Thawj Device | BlackBerry Playbook (PDAdb.net) | Archos 80 G9 (PDAdb.net) |
| Lwm yam khoom siv | Motorola Droid3, LG Optimus 3D, LG Thrill, Motorola Milestone 3, Motorola Bionic | Galaxy Nexus (yuav tso tawm thaum nruab nrab Kaum Ib Hlis) |
| ISA | ARM v7 (32 ntsis) | ARM v7 (32 ntsis) |
| ARM Cotex A9 (dual core) | ARM Cotex A9 (dual core) | |
| CPU's Clock Speed | 1GHz | 1.5GHz |
| YGPU | PowerVR SGX540 | PowerVR SGX540 |
| GPU's Clock Speed | 304MHz | 384MHz |
| CPU/GPU Technology | 45nm | 45nm |
| L1 Cache | 32kB kev qhia, 32kB cov ntaub ntawv | 32kB kev qhia, 32kB cov ntaub ntawv |
| L2 Cache | 1MB | 1MB |
| Memory | 1GB Tsawg Fais Fab DDR2 | 1GB Tsawg Fais Fab (LP) DDR3 |
Summary
Hauv cov ntsiab lus, OMAP 4460 sai dua OMAP 4430 raws li xav tau. Txawm li cas los xij, qhov zoo sib xws ntawm OMAP 4430 thiab 4460 muaj ntau yam piv rau lawv qhov sib txawv. Qhov sib txawv tseem ceeb ntawm ob yog kev txhim kho kev ua tau zoo hauv OMAP 4460 dhau OMAP 4430 los ntawm kev ua haujlwm nrawm dua ntawm ob qho tib si CPU thiab GPU.
