[情報] Anandtech iPhone 6 / 6 plus 完整測試已回收
Anandtech 完整測試結果 談的東西十分深入
http://www.anandtech.com/show/8554/the-iphone-6-review
iPhone 家族大小比較圖
http://images.anandtech.com/doci/8572/DSC_1392_678x452.jpg

iPhone 6 四面圖及手腕握持比例
http://images.anandtech.com/doci/8554/DSC_1379_575px.jpg




iPhone 6 plus 四面圖及手腕握持比例
http://images.anandtech.com/doci/8572/DSC_1362_575px.jpg







CPU為加強版Cyclone(颶風)核心 四核GPU
A7 A8 細節比較
Apple A8 vs A7 SoCs
Apple A8 (2014) Apple A7 (2013)
Manufacturing Process TSMC 20nm HKMG Samsung 28nm HKMG
Die Size 89 mm2 102 mm2
Transistor Count ~2B "Over 1B"
CPU 2 x Apple Enhanced Cyclone 2 x Apple Cyclone
ARMv8 64-bit cores ARMv8 64-bit cores
GPU IMG PowerVR GX6450 IMG PowerVR G6430
蘋果 SoC 進化史 Apple SoC Evolution
CPU Perf GPU Perf Die Size Transistors Process
A5 ~13x ~20x 122m2 <1B 45nm
A6 ~26x ~34x 97mm2 <1B 32nm
A7 40x 56x 102mm2 >1B 28nm
A8 50x 84x 89mm2 ~2B 20nm
一年進化一次製程 可說是SoC的黃金時期
Geekbench 3 Memory Bandwidth Comparison (1 thread)
Stream Copy Stream Scale Stream Add Stream Triad
Apple A8 1.4GHz 9.08 GB/s 5.37 GB/s 5.76 GB/s 5.78 GB/s
Apple A7 1.3GHz 8.34 GB/s 5.21 GB/s 5.67 GB/s 5.69 GB/s
A8 Advantage 9% 3% 2% 2%
記憶體頻寬 只增加個位數性能
Memory Latency
http://images.anandtech.com/doci/8554/A8_Latency.png

蘋果架構比較
Apple Custom CPU Core Comparison
Apple A7 Apple A8
CPU Codename Cyclone "Enhanced Cyclone"
ARM ISA ARMv8-A (32/64-bit) ARMv8-A (32/64-bit)
Issue Width 6 micro-ops 6 micro-ops
Reorder Buffer Size 192 micro-ops 192 micro-ops?
Branch Mispredict Penalty 16 cycles (14 - 19) 16 (14 - 19)?
Integer ALUs 4 4
Load/Store Units 2 2
Addition (FP) Latency 5 cycles 4 cycles
Multiplication (INT) 4 cycles 3 cycles
Latency
Branch Units 2 2
Indirect Branch Units 1 1
FP/NEON ALUs 3 3
L1 Cache 64KB I$ + 64KB D$ 64KB I$ + 64KB D$
L2 Cache 1MB 1MB
L3 Cache 4MB 4MB
加強版Cyclone架構基本上繼承Cyclone複雜龐大的架構 變動不大
僅有Addition (FP) Latency及Multiplication (INT) Latency延遲有所改善
蘋果宣稱CPU效能進化圖
http://images.anandtech.com/doci/8554/iPhone-6-processor-performance.png

SPECint2000 - Estimated Scores
A8 A7 % Advantage
164.gzip 842 757 11%
175.vpr 1228 1046 17%
176.gcc 1810 1466 23%
181.mcf 1420 915 55%
186.crafty 2021 1687 19%
197.parser 1129 947 19%
252.eon 1933 1641 17%
253.perlbmk 1666 1349 23%
254.gap 1821 1459 24%
255.vortex 1716 1431 19%
256.bzip2 1234 1034 19%
300.twolf 1633 1473 10%
SPECint2000 最高55% 平均約20%效能增加
Geekbench 3 整數 浮點 性能也為約20%增加
詳情請見連結
http://www.anandtech.com/show/8554/the-iphone-6-review/3
GPU架構 四核 PowerVR GX6450
詳情比較請見連結
http://www.anandtech.com/show/8554/the-iphone-6-review/4
CPU跑分 和初步測試結果差不多
詳情請見連結
http://www.anandtech.com/show/8554/the-iphone-6-review/5
GPU跑分 比初步測試多跑幾項跑分
http://www.anandtech.com/show/8554/the-iphone-6-review/6
NAND 儲存空間測試
http://images.anandtech.com/graphs/graph8554/68006.png




續航力測試
Web browsing, wifi
http://images.anandtech.com/graphs/graph8554/68010.png

加測 Web browsing, LTE
http://images.anandtech.com/graphs/graph8554/68009.png


跑GFXBench續航力測試時 GPU畫面偵數
http://images.anandtech.com/graphs/graph8554/68013.png

GPU畫面偵數不會隨時間下降 沒有過熱限速問題
http://images.anandtech.com/doci/8554/iPhone6_GFXBench_Rundown_575px.PNG
充電時間 1A充電器下 iPhone6+慢上許多
http://www.anandtech.com/show/8554/the-iphone-6-review/7
螢幕
http://images.anandtech.com/graphs/graph8554/67813.png









眾機型拍攝照片比較
http://www.anandtech.com/show/8554/the-iphone-6-review/9
攝影影片
http://www.anandtech.com/show/8554/the-iphone-6-review/10
音質測試
http://www.anandtech.com/show/8554/the-iphone-6-review/11
完整測試中 有許多十分深入的評論
整整14頁的測試 實在無法一一翻譯貼過來
有興趣的網友可詳細閱讀原文
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