Before the year ends, AMD has one last little surprise for everyone. The long awaited "Kuma" dual-core processors based on the K10 core (Phenom 65nm) have arrived! These new processors will use the same numbering scheme at the Phenom X4 and X3, becoming the Athlon X2 7000 series. Why didn't they just call them Phenom X2's? I don't know... These processors have a 95W TDP, will run in existing AM2+ boards, and support DDR2-1066 memory speeds. Like its Phenom big brothers, the memory controller can be configured to run as two independent 64-bit memory channels or a single 128-bit (assuming your motherboard has the BIOS option for it). These processors have 64K of L1 instruction & 64K of L1 data cache per core, 512KB of L2 data cache per core, and 2MB of L3 cache shared between the two cores.
The processor we will be examining today is the Athlon X2 7750 Black Edition, running at a respectable 2.7 GHz. Being a Black Edition processor means that the CPU multiplier is unlocked, making it much easier to overclock. At a price of $79 for 1000-unit tray quantities (according to AMD's Processor Pricing List) , it seems to fit into existing Athlon 64 X2 processor prices appropriately. From what I have heard, the retail price is supposed to be more like $69. The best bang for the buck Intel has to offer near that price would be the Intel Pentium E5200, available retail for a little over $80. While the E5200 has a slightly lower clock speed and less cache, it does have one advantage of being a 45nm design (and a great chip for overclocking).
The chip itself looks like any other socket AM2/AM2+ processor.
AMD Athlon X2 7750 Black Edition Processor Technical Specifications:
- Processor Frequency: 2.7 GHz
- L1 Cache Sizes: 64K of L1 instruction and 64K of L1 data cache per core (512KB total L1 per processor)
- L2 Cache Sizes: 512KB of L2 data cache per core (1MB total L2 per processor)
- L3 Cache Size: 2MB
- Memory Controller Type: Integrated 128-bit wide memory controller*
- Memory Controller Speed: 1.8GHz with Dual Dynamic Power Management
- Types of Memory Supported: Support for unregistered DIMMs up to PC2-8500 (DDR2-1066MHz)
- HyperTransport 3.0: One 16-bit/16-bit link @ 3.6GHz full duplex (1.8GHz x2)
- Total Processor Bandwidth: 33.1 GB/s
- Packaging: Socket AM2+ 940-pin organic micro pin grid array (micro-PGA)
- Fab location: AMD's Fab 36 wafer fabrication facilities in Dresden, Germany
- Process Technology: 65-nanometer DSL SOI (silicon-on-insulator) technology
- Approximate Transistor count: ~ 450 million (65nm)
- Approximate Die Size: 285 mm2 (65nm)
- Max Ambient Case Temp: 73° Celsius
- Nominal Voltage: 1.2-1.25 Volts
- Max TDP: 95 Watts
- Tray: AD775ZWCJ2BGH
- PIB: AD775ZWCGHBOX
*Note: Configurable for dual 64-bit channels for simultaneous read/writes
Some CPU-Z Screen Shots showing the processor specs and memory timings.
Page 1: — Introduction, Processor Specifications
Page 2: Test Setup, Methodology, and Benchmarks Used
Page 3: Bapco SYSmark, PCMark Vantage
Page 4: SiSoftware Sandra, WinRAR
Page 5: POV-Ray, Cinebench
Page 6: x264, Windows Media Encoder, Divx Encoder
Page 7: wPrime, PiFast, HyperPi
Page 8: Lost Planet, Far Cry 2
Page 9: Crysis Warhead, Enemy Territory: Quake Wars
Page 10: Particle Simulation, VRAD Compilation, Power Consumption
Page 11: Overclocking
Page 12: Product Summary & Final Conclusions
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