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--- blog:blog_flash_memory_benchmarks [2021/01/24 16:01] – john
+++ blog:blog_flash_memory_benchmarks [2021/01/27 13:23] (current) – [Sandisk Extreme 120MB/s 64GB] john
@@ Line 1: / Line 1: @@
 ====== Flash Memory Benchmarks ======
+Because I've got a load of different type of flash memory cards in my spares box, I maintain a spreadsheet and performance data list for them all.
+{{:blog:flashmemorybenchmarks.png?800|}}
+{{ :blog:flash_media_comparison.xlsx |}}
 ===== Compact Flash =====
@@ Line 16: / Line 21: @@
 First card I owned, from a Canon Powershot 2Mpix camera.
-===== CF - Delkin 511MB =====
+==== Delkin 511MB ====
 {{:blog:img20210124143152.jpg?250|}} {{:blog:delkin_511mb.png?250|}}
@@ Line 56: / Line 61: @@
 {{:blog:img20210124141849.jpg?200|}} {{:blog:sandisk_ultra_50mbs_16gb.png?250|}}
+==== Sandisk Extreme 120MB/s 64GB ====
+Wow. Very, //very// fast.
+{{:blog:img20210127131929.jpg?200|}} {{:blog:cf_sandisk_extreme_120_64gb.png?250|}}
 ==== Transcend 133x 8GB ====
@@ Line 76: / Line 86: @@
 ==== Sandisk Ultra 30MB/s 32GB ====
+{{:blog:sd_sandisk_ultra_32gb.png?250|}}
 ==== Sandisk Ultra II 2GB ====
+{{:blog:sd_sandisk_ultra_2gb.png?250|}}
 ===== Micro SD Cards =====
 ==== Sandisk Ultra HC I 8GB ====
+Strong read performance.
+{{:blog:microsd_sandisk_hci_8gb.png?250|}}
 ==== Kingston HC 4 32GB ====
+Pretty slow.
+{{:blog:microsd_kingston_hc4_32gb.png?250|}}
 ==== Transcend XC I A1 V30 128GB ====
+Excellent performance, but what is up with the write performance fluctuation? Does this thing have a SLC buffer that is getting flushed every so many megabytes?
+{{:blog:microsd_transcend_x1_a1_v30.png?250|}}
 ==== Integral XC I A1 256GB ====