Monday, August 11th 2008
Evaluation of the 45nm AMD Deneb Reveals an Efficient Processor in the Making
Chinese website Hardspell conducted a comprehensive pre-release evaluation of the upcoming Deneb 45nm Quad-core processor by AMD. The Deneb core incorporates thrice the amount of L3 Cache (that's 6 MB), and uses the same SIMD sets as its 65nm counterparts.
Here's a shocker: While the Phenom X4 9650 (65nm, 2.30 GHz, B3) consumes 104.1 W at load (peak), the 45nm Deneb (45nm, 2.30 GHz) peaks at an astonishing 57.3 W according to Hardspell's findings, go to see, the Deneb has an added load of transistors due to a 300% increase in the L3 Cache size. Let's bring in some numbers and figures.
CPU-Z Identification
Version 1.46.2 and above of CPU-Z detects the processor except the CPUID string which the engineering samples don't usually bring along. The 2.30 GHz Deneb Part comes with a 1.80 GHz HT link with 3600 MT/s of system bandwidth over the HyperTransport 3.0 bus. The L3 Cache uses 48-way set-associative paths.
Power Consumption
Specifications of the test-bed are provided. The 65nm Agena part was compared to the 45nm Deneb at the same clock-speed, idle and load consumptions were measured (first chart: idle, second: load):
Benchmark Scores
Fritz Chess (higher is better):
W-Prime Multithreaded Benchmark (time, lower is better):
POV-Ray 3.7 beta23 SSE2 (higher is better):
H.264 Encoding (time, lower is better):
3DMark Vantage (CPU score, higher is better):
The test bed was configured as follows:
Source:
Hardspell
Here's a shocker: While the Phenom X4 9650 (65nm, 2.30 GHz, B3) consumes 104.1 W at load (peak), the 45nm Deneb (45nm, 2.30 GHz) peaks at an astonishing 57.3 W according to Hardspell's findings, go to see, the Deneb has an added load of transistors due to a 300% increase in the L3 Cache size. Let's bring in some numbers and figures.
CPU-Z Identification
Version 1.46.2 and above of CPU-Z detects the processor except the CPUID string which the engineering samples don't usually bring along. The 2.30 GHz Deneb Part comes with a 1.80 GHz HT link with 3600 MT/s of system bandwidth over the HyperTransport 3.0 bus. The L3 Cache uses 48-way set-associative paths.
Specifications of the test-bed are provided. The 65nm Agena part was compared to the 45nm Deneb at the same clock-speed, idle and load consumptions were measured (first chart: idle, second: load):
Fritz Chess (higher is better):
67 Comments on Evaluation of the 45nm AMD Deneb Reveals an Efficient Processor in the Making
But, if thats true then wow
Still very good though.
(point was made since Intel Nehalem comes with a revised SSE4 set compared to Penryn 45nm).
btw, btarunr does it mention what kind of cooling they had on it to get that oc ?
Another Chinese team reached a "huuuuuuge"-er OC of 3.60 GHz while staying within the 120W envelope. I doubt you'd need extreme cooling for that TDP though I don't recall what they used to cool.
I agree, these have a good shot of making AMD a competitor in the performance market again :) cant wait to see how they OC
its a cpu like this id like to get then upgrade to intel or the new AMD architecture because by that time Intel will have this CORE cpu range down
We still know nothing about the architechture of the denebs.And i wouldn't believe those chinese sites.I remember before the 4800 series was released a chinese site claimed that they got a 4850 and they showed the specs via cpuz and the card had 480 stream cores which appeared to be 800 later.
first confirm your infos, then you can base your conclusions on them.
Last intel was a PIII that died. :rockout:
Not exactly issue of something totally badass as much as they were priced right vs. their competition.
With the global economy as it is, especially in the west, I guess overall bang-for-buck value is becoming more important than actual performance and innovation.
If AMD can pull another "price it right" scheme with their 45nm CPU line-up like they did with their recent GPUs, then actually performance won't matter as much. Sad but true.