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OCZVTX4-25SAT3-128G
OCZRADEON-R7SSD-120G
$67
▲ 53584 ▼

Controller: Indilinx Everest 2 IDX400M00-BC. Flash Memory: Intel Synchronous 25nm MLC. Release date: Q2 2012.

VS
▲ 53273 ▼
 $67 

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

Effective Speed 
+2%
Real World Speed
Performance profile from 20,495 user samples
Benchmark your SSD here
19,372 User Benchmarks
Best Bench: 104% 95GB free
Worst Bench: 64% 14GB free (System drive)
Poor: 64% Great: 104%
SPEED RANK: 366th / 1080
1,123 User Benchmarks
Best Bench: 104% 112GB free
Worst Bench: 57% 19GB free (System drive)
Poor: 57% Great: 104%
SPEED RANK: 387th / 1080
Effective Speed
Effective SSD Speed 		88.3 % +2% 86.5 %
Average Score 
+1%
Read
Avg. Sequential Read Speed 		388 MB/s 402 MB/s +4%
Write
Avg. Sequential Write Speed 		350 MB/s 402 MB/s Faster write speed.
+15%
4K Read
Avg. 4K Random Read Speed 		26.2 MB/s Slightly faster random read.
+7% 		24.6 MB/s
4K Write
Avg. 4K Random Write Speed 		96.1 MB/s Slightly faster random write.
+10% 		87.4 MB/s
Mixed
Avg. Sequential Mixed IO Speed 		268 MB/s 301 MB/s Faster mixed IO speed.
+12%
4K Mixed
Avg. 4K Random Mixed IO Speed 		35.5 MB/s Slightly faster random mixed IO.
+9% 		32.6 MB/s
SusWrite
Avg. Sustained Write Speed 		298 MB/s 306 MB/s +3%
Peak Score 
+1%
Read
Peak Sequential Read Speed 		457 MB/s +1% 452 MB/s
Write
Peak Sequential Write Speed 		393 MB/s 435 MB/s Faster peak write speed.
+11%
4K Read
Peak 4K Random Read Speed 		30.4 MB/s +4% 29.2 MB/s
4K Write
Peak 4K Random Write Speed 		132 MB/s Slightly faster peak random write.
+9% 		121 MB/s
Mixed
Peak Sequential Mixed IO Speed 		302 MB/s 331 MB/s Slightly faster peak mixed IO speed.
+10%
4K Mixed
Peak 4K Random Mixed IO Speed 		42 MB/s Slightly faster peak random mixed IO.
+10% 		38.3 MB/s
SusWrite
Peak Sequential Sustained Write 60s Average 		381 MB/s 419 MB/s Slightly faster peak sustained write speed.
+10%
Value & Sentiment 
+∞%
Market Share
Based on 77,589,913 SSDs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0.03 % Insanely higher market share.
+∞% 		0 %
Value
Value For Money 		3.89 % 8.7 % Hugely better value.
+124%
User Rating
UBM User Rating 		53 % 53 %
Price
Price (score) 		$215 $67 Much cheaper.
+69%
Nice To Haves 
+1%
Age
Newest 		151 Months 123 Months More recent.
+19%
DQ Read
Peak 4K-64Thread Read Speed 		350 MB/s +3% 339 MB/s
DQ Write
Peak 4K-64Thread Write Speed 		354 MB/s 374 MB/s Slightly faster peak deep queue write.
+6%
AS-SSD Total
AS-SSD Total Score 		1,176 Pts +0% 1,172 Pts
DQ Mixed
Peak 4K-64Thread Mixed IO Speed 		331 MB/s Faster peak deep queue mixed IO.
+21% 		274 MB/s
ADQ Read
Avg. 4K-64Thread Read Speed 		307 MB/s +3% 298 MB/s
ADQ Write
Avg. 4K-64Thread Write Speed 		274 MB/s 303 MB/s Faster deep queue write.
+11%
ADQ Mixed
Avg. 4K-64Thread Mixed IO Speed 		275 MB/s Faster deep queue mixed IO.
+15% 		239 MB/s
Specifications 
Capacity
Capacity 		128GB 120GB
Conclusion 
Average Bench 88.3%
Average Bench 86.5%

The 128GB Vertex 4 has an average score of 90.5% which is the highest we have seen to date for a 120-128GB SSD. We have in excess of 100 UBM samples for the Vertex 4 and they show that the 128GB Vertex 4 performs superbly outside the lab. With peak sequential read/write speeds of 508/391 and averages of 398/325 MB/s the Vertex 4 manages to average around 75% of its peak sequential speeds, a very impressive result. The Vertex 4 was superseded by the OCZ Vertex 450 several months ago. OCZ release new versions with minor tweaks approximately every six months. Comparing the Vertex 450 to the Vertex 4 shows that the move to 20nm flash and a new Indilinx controller has reduced overall performance by around 15%, so the older Vertex 4 is actually faster than its successor. [Feb '14 SSDrivePro]

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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

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Solid State Drives
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