SiSoftware Sandra 20/21
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Details for Result ID nVidia GeForce GT 640 (384SP 2C 901MHz, 256kB L2, 2GB 1.78GHz 128-bit) (OpenCL)
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Rank
#97,904
#97,904
Local Rank #97,904
Position Higher than 29.51% ranked results
Points 30
Score 11.48GB/s
Qualification Low Performance ;(
Created 16 November 2014
Serial Number c2ffccfcdabbdae7d5e1d2e5d3e3c5b78aba9cf99ca191b7c4f9c8fe
Individual Results
GP (GPU) Memory Bandwidth
GP (GPU) Memory Bandwidth
Internal Memory Bandwidth 23.92GB/s
Upload Bandwidth 5.07GB/s
Download Bandwidth 5.99GB/s
  Global Rank | Top GP (GPU) Memory Bandwidth Ranks
Statistical Analysis
Valid Result: Small Deviation (within Primary 68% Confidence Interval)
Valid Result: Small Deviation (within Primary 68% Confidence Interval)
Certification Valid Result: Small Deviation (within Primary 68% Confidence Interval)
Expected Score Range (Confidence Interval) 4.82GB/s - 20.48GB/s
Aggregated Results 787
Observed Score Range (Sample Interval) 12.65GB/s (2.00GB/s - 25.18GB/s)
Standard Deviation ±3.91GB/s
Variation Coefficient (CV) 30.94%
Dispersion Index (VMR) Low Variation of Results: Under-dispersed results
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Individual Result
nVidia
nVidia
Result ID nVidia GeForce GT 640 (384SP 2C 901MHz, 256kB L2, 2GB 1.78GHz 128-bit) (OpenCL)
Component
nVidia nVidia GeForce GT 640
Brand nVidia
Price
Best Price for nVidia GeForce GT 640 @ Amazon Best Price for nVidia GeForce GT 640 @ Amazon
Firmware
Number of Devices / Threads 1 / 1
State Normal
Speed 1.78GHz
Performance vs. Speed (aka Speed Efficiency) 6.44GB/s/GHz
Power 65.0W
Performance vs. Power (aka Power Efficiency) 0.18GB/s/W
Capacity 2,048MB
Capacity vs. Power (aka Size Efficiency) 31.51MB/W
Top GP (GPU) Memory Bandwidth Ranks | Top Components | Top Brands | Details for Component nVidia GeForce GT 640 | Best Price for nVidia GeForce GT 640 @ Amazon
Computer/Device
HP p6754y 103C_53316J G-D (FoxConn 2AB1)
HP p6754y 103C_53316J G-D (FoxConn 2AB1)
Name
HP p6754y 103C_53316J G-D (FoxConn 2AB1) HP p6754y 103C_53316J G-D (FoxConn 2AB1)
Brand HP
Price
Best Price for HP p6754y 103C_53316J G-D (FoxConn 2AB1) @ Amazon Best Price for HP p6754y 103C_53316J G-D (FoxConn 2AB1) @ Amazon
Platform Desktop
Operating System Windows x64 6.1.1
Report Issue | Top Computers/Devices | Details for Computer/Device HP p6754y 103C_53316J G-D (FoxConn 2AB1) | Best Price for HP p6754y 103C_53316J G-D (FoxConn 2AB1) @ Amazon
Program
GP (GPU) Memory Bandwidth
GP (GPU) Memory Bandwidth
Name / Version SiSoftware Sandra 21.10
Registered No
Benchmark
GP (GPU) Memory Bandwidth GP (GPU) Memory Bandwidth
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User
Maestro
Maestro
Name Maestro
Status Active
Country
USA USA
Report Issue | Top Users | Details for User Maestro
Team
World
World
Name World
Status Active
Country  
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Aggregated Results
Component Average Score Average Capacity Average Speed State Platform Operating System Popularity
NVIDIA GeForce GT 640 NVIDIA GeForce GT 640 12.65GB/s 2,158MB 1.96GHz Normal Desktop Windows x64 11.0.21.2 787
0 - 5 (1)  Next > End
Individual Results
User Team Computer/Device Result ID Score Capacity Speed State Platform Operating System Created
Anonymous Anonymous World World Gigabyte H55M-UD2H Gigabyte H55M-UD2H NVIDIA GeForce GT 640 NVIDIA GeForce GT 640 (384S 2C SM3.0 1ГГц, 512Кб L2, 1Гб 5ГГц 64-бит) (OpenCL) 9.66GB/s 1,024MB 5.01GHz Normal Desktop Windows x64 10.0.20.9 21 April 2022
Anonymous Anonymous World World ASUS M51AC Desktop ASUS M51AC Desktop NVIDIA GeForce GT 640 NVIDIA GeForce GT 640 (384SP 2C 796MHz, 256kB L2, 4GB 1.78GHz 128-bit) (OpenCL) 15.83GB/s 4,096MB 1.78GHz Normal Desktop Windows x64 6.3 12 January 2015
Anonymous Anonymous World World HP p6-2370eg 103C_53316J G-D (FoxConn 2ADA) HP p6-2370eg 103C_53316J G-D (FoxConn 2ADA) NVIDIA GeForce GT 640 NVIDIA GeForce GT 640 (144SP 3C 1.44GHz, 3GB 1.6GHz) (OpenCL) 13.51GB/s 3,072MB 1.60GHz Normal Desktop Windows x64 6.3 25 June 2015
Anonymous Anonymous World World ASRock FM2A88M Extreme4+ ASRock FM2A88M Extreme4+ nVidia GeForce GT 640 nVidia GeForce GT 640 (384SP 2C 1GHz, 512kB L2, 2GB 5GHz 64-bit) (OpenCL) 9.71GB/s 2,048MB 5.01GHz Normal Desktop Windows x64 6.1.1 16 November 2014
Anonymous Anonymous World World ASUS All Series ASUS MB (ASUS H87-PLUS) ASUS All Series ASUS MB (ASUS H87-PLUS) nVidia GeForce GT 640 nVidia GeForce GT 640 (384SP 2C 901MHz, 256kB L2, 2GB 1.62GHz 128-bit) (OpenCL) 15.32GB/s 2,048MB 1.62GHz Normal Desktop Windows x64 6.1.1 16 November 2014
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