MSI Radeon HD 7970 Lightning 3 GB Review 51

MSI Radeon HD 7970 Lightning 3 GB Review

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AMD's Radeon HD 7970 has been on the market for a while now. The card introduced a new shader architecture and brought numerous improvements in power consumption. It later met heavy opposition from NVIDIA's GeForce GTX 680, which has caused HD 7970 pricing to go down in recent weeks.

MSI's Radeon HD 7970 Lightning is a heavily customized implementation of the HD 7970 with focus on performance and overclocking. The card uses a beefed up voltage regulation circuitry and massive dual-fan heatsink to ensure stable operation at MSI's increased clock speeds of 1070 MHz. Memory clock has gone up too, up to 1400 MHz. Thanks to recent price cuts across the HD 7900 Series, the MSI HD 7970 Lightning now retails at $520.

MSI HD 7970 Lightning Market Segment Analysis
HD 6970
HD 7870
GTX 580
HD 7950
HD 7970
7970 Lightning
GTX 680
HD 6990
GTX 590
Shader Units1536128051217922048204815362x 15362x 512 
ROPs323248323232322x 322x 48 
Graphics ProcessorCaymanPitcairnGF110TahitiTahitiTahitiGK1042x Cayman2x GF110 
Transistors2640M2800M3000M4310M4310M4310M3500M2x 2640M2x 3000M 
Memory Size2048 MB2048 MB1536 MB3072 MB3072 MB3072 MB2048 MB2x 2048 MB2x 1536 MB 
Memory Bus Width256 bit256 bit384 bit384 bit384 bit384 bit256 bit2x 256 bit2x 384 bit 
Core Clock880 MHz1000 MHz772 MHz800 MHz925 MHz1070 MHz1006 MHz+830 MHz607 MHz 
Memory Clock1375 MHz1200 MHz1002 MHz1250 MHz1375 MHz1400 MHz1058 MHz1250 MHz855 MHz 
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