Nvidia Tightens Up Midrange Performance With The $300 GeForce 7950GT

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Tech Specs

The GeForce 7950GT should exhibit performance gains over the GeForce 7900GT just from faster clock frequencies - it has all of the same core components as the 7900GT, but is running them 100 MHz faster. The vertex shaders are operating at 570 MHz, and the rest of the core is at 550 MHz. At 700 MHz (1.4 GHz DDR), the memory is 40 MHz faster than the GeForce 7900GT. Below is a chart that lays out all of the 7000 series cards and their Nvidia reference design specifications.

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NVIDIA GeForce Reference Specifications
Row 0 - Cell 0	7950GX2	7900GTX	7950GT	7900GT	7900GS
Process Technology (nm)	90	90	90	90	90
Processor Core	G71	G71	G71	G71	G71
Number of Processors	2	1	1	1	1
Number of Transistors per Processor (Millions)	278	278	278	278	278
Vertex Frequency (MHz)	500	700	570	470	470
Core Frequency (MHz)	500	650	550	450	450
Memory Clock (MHz)	600	800	700	660	660
DDR Rate (MHz)	1200	1600	1400	1320	1320
Vertex Shaders (#)	16	8	8	8	7
Pixel Shaders (#)	48	24	24	24	20
ROPs (#)	32	16	16	16	16
Memory Interface (bit)	256	256	256	256	256
Frame Buffer Size per Processor (MB)	512	512	256	256	256
Memory Bandwidth (GB/sec) per processor	38.4	51.2	44.8	42.24	42.24
Vertices/Second (Millions)	2000	1400	1140	940	822.5
Pixel Fill Rate (# ROPs x clk) in Billions/sec	16	10.4	8.8	7.2	7.2
Texture Fill Rate (# pixel pipes x clk) in Billions/sec	24	15.6	13.2	10.8	9
RAMDACs (MHz)	400	400	400	400	400
Bus Technology	PCI Express	PCI Express	PCI Express	PCI Express	PCI Express
Row 20 - Cell 0
Row 21 - Cell 0	7800GTX 512	7800GTX	7800GT	7800GS AGP	7600GT
Process Technology (nm)	110	110	110	110	90
Processor Core	G70	G70	G70	G70	G73
Number of Processors	1	1	1	1	1
Number of Transistors per Processor (Millions)	302	302	302	302	178
Vertex Frequency (MHz)	550	470	440	375	560
Core Frequency (MHz)	550	430	400	375	560
Memory Clock (MHz)	850	600	500	600	700
DDR Rate (MHz)	1700	1200	1000	1200	1400
Vertex Shaders (#)	8	8	7	6	5
Pixel Shaders (#)	24	24	20	16	12
ROPs (#)	16	16	16	8	8
Memory Interface (bit)	256	256	256	256	128
Frame Buffer Size per Processor (MB)	512	256	256	256	256
Memory Bandwidth (GB/sec) per processor	54.4	38.4	32	38.4	22.4
Vertices/Second (Millions)	1100	940	770	562.5	700
Pixel Fill Rate (# ROPs x clk) in Billions/sec	8.8	6.88	6.4	3	4.48
Texture Fill Rate (# pixel pipes x clk) in Billions/sec	13.2	10.32	8	6	6.72
RAMDACs (MHz)	400	400	400	400	400
Bus Technology	PCI Express	PCI Express	PCI Express	AGP 8X	PCI Express

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