Radeon HD 4830 512MB Review Part4

AMD (ATI) Radeon HD 4830 Review Part4:
CoH, WIC, FEAR, UT3

Maximum quality; shader made @ DX10.

HD4830 is struggling to keep up at 1440x900, else they are pretty on par at other resolutions.







Very high settings on DX10 mode, tested using the in-game benchmark tool.








Maximum quality, again tested with in-game benchmark tool.

Clear victory for the RV770LE based card.







Maximum quality with V-sync disabled.

The result looks very inconclusive. But overall, with 20/29 benchmarks in hand, the winner is no doubt Radeon HD4830, in terms of raw performance.


Part1: Introduction & Specifications
Part2: Test System, 3Dmark06 & Vantage
Part3: CoD4, Assassin's Creed, HL2:EP2
Part4: CoH, WIC, FEAR, UT3


Source: http://diy.pconline.com.cn/graphics/reviews/0810/1452670.html

Radeon HD 4830 512MB Review Part3

AMD (ATI) Radeon HD 4830 Review Part3:
CoD4, Assassin's Creed, HL2:EP2

Maximum quality, V-sync off.

Close fight between HD4830 & 9800GT.







A clear win for the Radeons. The gap is more obvious at low resolution.







Again, everything at maximum quality.

This time round, the gap is wider at higher resolution, interesting phenomenon. On average, HD4830 is 5.2% faster than 9800GT here.


Part1: Introduction & Specifications
Part2: Test System, 3Dmark06 & Vantage
Part3: CoD4, Assassin's Creed, HL2:EP2
Part4: CoH, WIC, FEAR, UT3

Radeon HD 4830 512MB Review Part2

AMD (ATI) Radeon HD 4830 Review Part2:
Test System, 3Dmark06 & Vantage

Test Platform

CPU: Intel Core2 Quad QX9770 @ 3.6Ghz
Mainboard: Asus X48
Memory: Aeneon DDR2-1066 2x1GB @ 5-5-5-15
Storage: Seagate 7200.10 500GB SATA

Graphics:
Radeon HD4850 512MB (625/1986)
Sapphire Radeon HD4830 512MB (575/1800)
GeForce 9800GT 512MB (600/1500/1800)


OS: Windows Vista Ultimate SP1 DX10
Drivers: Catalyst 8.54 RC1/ Forceware 178.13 Vista WHQL






ATI cards are traditionally weak in 3Dmark06, so no big surprise here.






3Dmark Vantage tells a very different story, so it all goes down to the real world game tests.


Part1: Introduction & Specifications
Part2: Test System, 3Dmark06 & Vantage
Part3: CoD4, Assassin's Creed, HL2:EP2
Part4: CoH, WIC, FEAR, UT3

Radeon HD 4830 512MB Review Part1

AMD (ATI) Radeon HD 4830 Review Part1:
Introduction & Specifications

Just-another-card from AMD to cover the price point vacuum between Radeon HD 4670 & HD 4850, as well as to battle with Nvidia's Geforce 9800 GT. This card is based on the RV770LE core, which has 1 cluster of shader processors (usually defective) disabled, bringing the magic number to 640. Where the fully functional RV770 (HD4850/4870) have all the 800.

An interesting to note, AMD confirmed that disabling the cluster is a hardware-cut, so chances are it is impossible for anyone to "revive" the card with a modded BIOS. Let aside the controversy surrounding its "missing shaders", let's take a look at this extracted review:

Graphics cards	HD 4830 512MB (RV770LE)	HD 4850 512MB (RV770)	HD 3870 512MB (RV670)	9800 GT 512MB (G92)
Core clock	575MHz	625MHz	775MHz	600MHz
Shader clock	575MHz	625MHz	775MHz	1,500MHz
Memory clock	1,800MHz	2,000MHz	2,250MHz	1,800MHz
Bus width, size, type	256-bit, 512MB, GDDR3		256-bit, 512MB, GDDR4	256-bit, 512MB, GDDR3
Memory bandwidth	57.6GB/s	64GB/s	72.8GB/s	57.6GB/s
Process	55nm			65nm/55nm
Transistor count	956mil	956mil	666mil	754mil
Die size	260mm²	260mm²	192mm²	296mm²/230mm²
Peak GFLOPS	736	1,000	496	504
ROPs	12	16	16	16
TDP	110W	110W	105W	105W

Part1: Introduction & Specifications
Part2: Test System, 3Dmark06 & Vantage
Part3: CoD4, Assassin's Creed, HL2:EP2
Part4: CoH, WIC, FEAR, UT3