AMD Radeon 7000 Series Specifications

Graphics card	Radeon HD 7870	Radeon HD 7850	Radeon HD 7670	Radeon HD 7570
Node	TSMC 28nm HPL	TSMC 28nm HPL	TSMC 28nm HPL	TSMC 28nm HPL
Architecture	VLIW4	VLIW4	VLIW4	VLIW4
GPU	Thames XT	Thames Pro	Lombok XT	Lombok Pro
Radeon cluster	24	22	12	12
Radeon cores	1536	1408	768	768
GPU frequency	950 MHz	850 MHz	900 MHz	750 MHz
Texture units	96	88	48	48
ROPs	32	32	16	16
Graphics memory	2GB GDDR5	2GB GDDR5	1GB GDDR5	1GB GDDR5
Memory frequency	5800 MHz	5200 MHz	5000 MHz	4000 MHz
Memory interface	256 bit	256 bit	128 bit	128 bit
Memorybandwidth	186 GB/s	166 GB/s	80 GB/s	64 GB/s
Power consumption	120 watt	90 watt	60 watt	50 watt