It all depends on what you need in your smart phone.
If you are cost conscious - then pick up LG Optimus V (USD 150) vs Samsung Intercept (USD 200-250)
If you like physical keyboard and use phone for heavy e-mailing/text - then pick up Samsung Intercept (Slideout physcial keyboard) vs LG Optimus V (only on screen software keyboard)
If one wants more RAM - then pick up LG Optimus V 512 MB RAM vs Samsung Intercept 256 MB RAM
If you like better screen resolution, better colors - then pick up LG Optimus V ( 320 x 480 screen 16 Mln colors) vs Samsung Intercept ( 240 x 400 screen and 65 K colors)
If you like real glass touch screen - then pick up Samsung Intercept vs LG Optimus V (fibre glass touch screen)
If you like separate CPU, GPU, Data Processor - Then pick up LG Optimus V (Dual Core Processor MSM7627 - 600MHz Applications Processor and 400 MHz Modem Processor for data transfers, a floating point unit and a 320MHz application DSP, and a real dedicated GPU to perform 3D accelerations and video encoding/decoding) vs Samsung Intercept (800 Mhz CPU - Chipset: Samsung (S3C6410) + Qualcomm (QSC6075))
*** Qualcomm QSC6075 solution integrates baseband modem, multimedia engines, multi-band radio transceiver and power management into a single chip to eliminate the need for many discrete components.
Qualcomm News and Events - Press Releases - Qualcomm Expands Family of Single-Chip Solutions to Support CDMA2000 1xEV-DO
*** The S3C6410 processor features a built-in, state-of-the-art 3D, 4M triangles/sec hardware accelerator with OpenGL ES 1.1/ 2.0 and D3DM API support. Products incorporating this hardware accelerator in the S3C6410 enjoy the following advantages: 3D graphics performance unmatched by software-only implementations
Reduced board space, since no external 3D graphics hardware is required
Better load balancing by relieving the CPU from cycle intensive 3D graphics functions
Lower power consumption due to optimized and dedicated hardware, resulting in longer battery life
High-quality video playback
Built-in hardware and Multi-Format Codec to enhance the multimedia experience
Optimized interface for high memory bandwidth requirements
Software support to reduce application design time
Rich peripherals to reduce total system cost and enhance overall functionality
Memory stacking options for smaller footprints
SAMSUNG's Digital World
If you like better speaker phone - then pick up Samsung Intercept vs LG Optimus V
If you like better battery life - then pick up Samsung Intercept vs LG Optimus V
If you want Android 2.2 (FroYo) - then pick up LG Optimus V vs Samsung Intercept (though Samsung Intercept is scheduled to be upgraded from Android 2.1 Eclair to Android 2.2 in Sprint 2011)
If one wants a phone that heats less - then pick up Samsung Intercept vs LG Optimus V
If you like low SAR rating for health and safety reasons - then both are more or less same in SAR rating.
According to the FCC, Samsung Intercept has a digital SAR of 0.72 watt per kilogram and according to CNET review LG Optimus V has a digital SAR of 1.04 watts per kilogram.
CNET review is at:
Samsung Intercept Review - Watch CNET's Video Review
LG Optimus V Review - Watch CNET's Video Review
The LG User Guide and FCC Website have 0.70 SAR for LG Optimus V. So then LG Optimus V is better for SAR.
Also, search term - samsung intercept vs lg optimus v - in Youtube. There are many videos that can show you the actual live comparison.