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OCZVTX4-25SAT3-512G
OCZRADEON-R7SSD-240G
▲ 500 ▼

Controller: Indilinx Everest 2 IDX400M00-BC. Flash Memory: Intel Synchronous 25nm MLC. Release date ≤ Q1 2014.

VS
▲ 53677 ▼

Controller: Indilinx Barefoot 3 IDX500M00. Flash: Toshiba A19nm MLC. Release date: Q3 2014.

Effective Speed 
+2%
Real World Speed
Performance profile from 3,842 user samples
Benchmark your SSD here
1,486 User Benchmarks
Best Bench: 108% 322GB free (System drive)
Worst Bench: 57% 353GB free
Poor: 57% Great: 108%
SPEED RANK: 336th / 1080
2,356 User Benchmarks
Best Bench: 108% 146GB free (System drive)
Worst Bench: 58% 80GB free (System drive)
Poor: 58% Great: 108%
SPEED RANK: 360th / 1080
Effective Speed
Effective SSD Speed 		90.2 % +2% 88.6 %
Average Score 
+0%
Read
Avg. Sequential Read Speed 		374 MB/s 400 MB/s Slightly faster read speed.
+7%
Write
Avg. Sequential Write Speed 		402 MB/s 426 MB/s Slightly faster write speed.
+6%
4K Read
Avg. 4K Random Read Speed 		26.3 MB/s Faster random read.
+13% 		23.3 MB/s
4K Write
Avg. 4K Random Write Speed 		86.6 MB/s Slightly faster random write.
+7% 		80.7 MB/s
Mixed
Avg. Sequential Mixed IO Speed 		278 MB/s 318 MB/s Faster mixed IO speed.
+14%
4K Mixed
Avg. 4K Random Mixed IO Speed 		34.6 MB/s Slightly faster random mixed IO.
+8% 		32 MB/s
SusWrite
Avg. Sustained Write Speed 		378 MB/s +1% 374 MB/s
Peak Score 
+3%
Read
Peak Sequential Read Speed 		462 MB/s +3% 448 MB/s
Write
Peak Sequential Write Speed 		467 MB/s 487 MB/s +4%
4K Read
Peak 4K Random Read Speed 		32.9 MB/s Faster peak random read.
+19% 		27.7 MB/s
4K Write
Peak 4K Random Write Speed 		127 MB/s +3% 123 MB/s
Mixed
Peak Sequential Mixed IO Speed 		333 MB/s 352 MB/s Slightly faster peak mixed IO speed.
+6%
4K Mixed
Peak 4K Random Mixed IO Speed 		43.2 MB/s Slightly faster peak random mixed IO.
+9% 		39.6 MB/s
SusWrite
Peak Sequential Sustained Write 60s Average 		459 MB/s 464 MB/s +1%
Value & Sentiment 
�%
Market Share
Based on 77,591,329 SSDs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0 % 0 %
Value
Value For Money 		7.82 % 10.3 % Much better value.
+32%
User Rating
UBM User Rating 		50 % 53 % Slightly more popular.
+6%
Price
Price (score) 		$349 $110 Much cheaper.
+68%
Nice To Haves 
+2%
Age
Newest 		129+ Months 123 Months +5%
DQ Read
Peak 4K-64Thread Read Speed 		353 MB/s 365 MB/s +3%
DQ Write
Peak 4K-64Thread Write Speed 		335 MB/s 372 MB/s Faster peak deep queue write.
+11%
AS-SSD Total
AS-SSD Total Score 		1,174 Pts 1,216 Pts +4%
DQ Mixed
Peak 4K-64Thread Mixed IO Speed 		335 MB/s Faster peak deep queue mixed IO.
+13% 		296 MB/s
ADQ Read
Avg. 4K-64Thread Read Speed 		291 MB/s 311 MB/s Slightly faster deep queue read.
+7%
ADQ Write
Avg. 4K-64Thread Write Speed 		261 MB/s 283 MB/s Slightly faster deep queue write.
+8%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed 		258 MB/s Slightly faster deep queue mixed IO.
+6% 		244 MB/s
Specifications 
Capacity
Capacity 		512GB 240GB
Conclusion 
Average Bench 90.2%
Average Bench 88.6%

The AMD Radeon R7 SSD is manufactured by OCZ (Toshiba). The release of the R7 is in line with OCZ's approximate six-monthly release cycle. Apart from newer NAND memory, the R7 has the same components as the OCZ Vector 150. Comparing the AMD R7 and Vector 150 shows that peak performance is broadly unchanged. We don't have any user samples for the new R7 yet but based on components, it's reasonable to assume that real-world effective speeds will also be comparable to the Vector 150. Although the 240GB R7 SSD is a strong performer, disappointingly, it brings nothing new to the table in terms of hardware. Unless OCZ/Toshiba can pull something out of the bag they will continue to loose market share to Samsung who are still managing to innovate with each of their releases; most recently the 850 pro series.  [Aug '14 SSDrivePro]

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2,356
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Welcome to our SSD comparison. We calculate effective speed for both SATA and NVMe drives based on real world performance then adjust by current prices per GB to yield a value for money rating. Our calculated values are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top SSDs. [SSDrivePro]

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 Frequently Asked Questions

Storage Devices FAQ
What is sustained sequential write speed?
What’s the difference between SLC, MLC and TLC?
What is 3D XPoint and how fast is it?
What’s the difference between SATA, PCIe and NVMe?
What’s the difference between NAND and V-NAND?
What is sequential write speed?
What is sequential read speed?
What is incompressible data?
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Solid State Drives
What is the SSD value for money rating?
What is 4K 64 thread write speed?
Can CPU power saving states (C1,C2,C3) impact SSD speed?
What is the effective SSD speed index?
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Brands make boatloads on flagships like the 4090 and 14900KS. We help users get similar real-world performance for less money.
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The Best
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Intel Core i5-13600K $210Nvidia RTX 4060 $290WD Black SN850X M.2 2TB $130
Intel Core i5-12400F $111Nvidia RTX 4060-Ti $389WD Black SN850X M.2 1TB $80
Intel Core i5-12600K $164Nvidia RTX 4070 $500Crucial T700 M.2 4TB $389
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