290x Hynix 15% faster >Elpida. Identify mem by P/N! Offer 5$ 4 every 290x specs

I recently ordered 8 x Sapphire BF4 290x cards from different Vendors. Only 3 of them have Hynix Memory and 5 of them have Elpida. (I was told, all Saph. BF4 models have Hynix mem, but the majority was wrong :/ )
What i found out was, that the Hynix cards have product numbers in this format:

102-C67-101-00 000001
All three have 00 000001 in the end. S/N vary from Z1349.. to Z1350..

The Elpida cards have P/Ns like
102-C67-101-01 023036

This made me think, that -00 cards come with Hynix and Elpida cards have -01

Could you please help me to confirm this? I will give you 5$ in bitcoins for your 290x information! Just upload photos of your cards p/n and s/n as proof (from green and white sticker on your card) and up a screenshot from hawaiiinfo. PM or post me your btc adresses!

You can find out about Hynix/Elpida on Windows with Hawaiiinfo12 from here: http://www.overclock.net/t/1445030/is-your-r9-290-unlockable-find-out-here (instructions inside)
For linux users just use the following method:
your hashing speed can't reach 900, u got about 860 kh/s on 900core/1500 memclock? --> elpida
your hashing speed is ~980 with 1025/1500 memclock --> hynix

Here's my Benchmark of a 290x Hynix and a 290x Elpida from the same batch (s/n only differs by 3300), same pool, different product number, based on 1500 mem-clock:
http://cdn.overclock.net/a/a2/a253d943_miningchart.jpeg
step by step proof: ultra wide image
--> overclocking elpida does more harm than good!

The speed difference is def. because of the memory. Scrypt is pretty memory intensive and i benchmarked the cards with oclhashcat md5 & sha, which doesn't use the memory at all and achieved equal hashing speeds.

I think that AMD started to use the -01 product number in late november 2013 builds, when the C67-101-01 bioses came out. This means older 290x cards could still be the -00 model and have elpida & hynix.

To collect more infos about this i will need your help to post me your 290x specs:
- card vendor & model number & bf4 version or not
- hawaiiinfo output about hynix / elpida
- long p/n from the green sticker on your gpu or short p/n from your box
- long s/n from the white sticker on your gpu or your box (really needed to find out when it's safe to say to get a hynix model only)
- date bought
- mining speed and your clocks
- retail bios version and bios part number (ex. 113-C6710100-102) if accessible (catalyst hardware info in windows) (the 5 in C6710150 means uber mode enabled/bios switch right)
for linux:

Code:

lspci -v | grep 'VGA'
│02:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Hawaii XT [Radeon R9 290X] (prog-if 00 [VGA controller])

to get the bus number of the 290x (here 02:00.0, replace below)

Code:

sudo echo 1 > /sys/bus/pci/devices/0000:02:00.0/rom

to enable bios access

Code:

sudo strings -a -t x /sys/bus/pci/devices/0000:02:00.0/rom | grep 'C671\| VER0'
   dc 113-C6710150-102
   108 C67101 Hawaii XT A0 GDDR5 4GB 64Mx32 300e/150m
   189 ATOMBIOSBK-AMD VER015.039.000.007.003526

Code:

sudo echo 0 > /sys/bus/pci/devices/0000:02:00.0/rom

to restore access rights

Thank you very much in advance!

Info collection:

Vendor

| Model

| Bf4

| Memory

| Serial Number

| Product Number

| Retail Bios Part No

| Date

| kH/s

|core

|mem

| BIOS

| source

Sapphire

| 21226-00-53G

| x

| Hynix

| Z134900000505

| 102-C67101-00 000001

| 113-C6710100-102

| 2013-12-10

| 980 kh

|1025

|1500

| VER015.039.000.007.003526

| mine

Sapphire

| 21226-00-53G

| x

| Elpida

| Z134900003816

| 102-C67101-01 023036

| 113-C6710101-102

| 2013-12-12

| 980 kh

|1025

|1500

| VER015.041.000.001.003745

| mine

Sapphire

| 21226-00-53G

| x

| Hynix

| Z135000002255

| 102-C67101-00 000001

| 113-C6710100-102

| 2013-12-12

| 980 kh

|1025

|1500

| VER015.039.000.007.003526

| mine

Asus/Diamond/PowerColor

| ?

| -

| Hynix

| ?

| 102-C67101-00 000001

| ?

| 980 kh

|1025

|1500

| ?

| miner buddy

Sapphire

| 21226-00-53G

| -

| Hynix

| ?

| 102-C67101-00 000001

| 113-C6710150-102

| ?

| post

Gigabyte

| GV-R929XD5-4GD-B

| -

| Hynix

| ?

| 102-C67101-00 000001

| 113-C6710150-102

| ?

| post

Sapphire

| ?

| Elpida

| ?

| 113-C6710151-100

| ?

| post