Select any two GPUs for comparison
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Gaming Performance Comparison

Recommended System Requirements
Game Radeon HD 3850 AGP Radeon HD 3800 series
Halo: Reach 229% 294%
Cyberpunk 2077 1324% 1603%
Red Dead Redemption 2 937% 1140%
Dragon Ball Z Kakarot 540% 665%
Call of Duty: Modern Warfare 937% 1140%
Microsoft Flight Simulator 1324% 1603%
Doom Eternal 791% 966%
Grand Theft Auto VI 1484% 1795%
FIFA 20 452% 560%
Need For Speed Heat 937% 1140%

In terms of overall gaming performance, the graphical capabilities of the AMD Radeon HD 3850 AGP are noticeably better than the AMD Radeon HD 3800 series.

The HD 3800 has no core clock speed set, so any comparison between Texture and Pixel Fill Rates is not currently possible.

The HD 3850 was released less than a year after the HD 3800, and so they are likely to have similar driver support for optimizing performance when running the latest games.

The Radeon HD 3850 AGP and the Radeon HD 3800 series have the same amount of video memory, but are likely to provide slightly different experiences when displaying game textures at high resolutions.

The HD 3850 has 53.1 GB/sec greater memory bandwidth than the HD 3800, which means that the memory performance of the HD 3850 is much better than the HD 3800.

Both the Radeon HD 3850 AGP and the Radeon HD 3800 series have 320 Shader Processing Units. While the two GPUs have the same number of SPUs, the actual performance delivered by the HD 3850 is 214 and by the HD 3800 is 0. Knowing that the shader performance of the HD 3850 is superior, it is not necessary to examine the GPUs' respective Texture and Pixel Fill Rates.

The Radeon HD 3850 AGP requires 75 Watts to run but there is no entry for the Radeon HD 3800 series. We would recommend a PSU with at least 450 Watts for the HD 3850.

Game FPS Benchmarks On Ultra

GPU Architecture

Core Speed668 MHzvs-
Boost Clock-vs-
ArchitectureRV670 PRORV670
OC Potential Poor vs -
Driver Support - vs -
Release Date03 Jan 2008vs01 Nov 2007
GPU LinkGD LinkGD Link
Approved
Comparison

GPU Memory

Memory512 MBvs512 MB
Memory Speed830 MHzvs-
Memory Bus256 Bitvs256 Bit
Memory TypeGDDR3vsDDR3
Memory Bandwidth53.1GB/secvs-
L2 Cache - vs -
Delta Color Compression no vs no
Memory Performance 0% green tick vs green tick 0%
Comparison

GPU Display

Shader Processing Units320vs320
Actual Shader Performance10%vs-
Technology55nmvs55nm
Texture Mapping Units16vs16
Texture Rate10.7 GTexel/svs-
Render Output Units16vs16
Pixel Rate10.7 GPixel/svs-
Comparison

GPU Outputs

Max Digital Resolution (WxH)2560x1600vs2560x1600
VGA Connections0vs0
DVI Connections2vs0
HDMI Connections0vs0
DisplayPort Connections-vs-
Comparison

GPU Power Requirements

Max Power75 Watts-
Recommended PSU450 Watts & 28 Amps-

GPU Features

DirectX10.1vs10.1
Shader Model4.1vs4.1
Open GL3.3vs3.2
Open CL-vs-
Notebook GPUnono
SLI/Crossfireyesvsyes
Dedicatedyesvsyes
Comparison

GPU Supporting Hardware

Recommended ProcessorIntel Core 2 Duo E6850 3.0GHz-
Recommended RAM4 GB-
Maximum Recommended Gaming Resolution1366x768-

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewRadeon HD 3850 AGP is a variant of the high-end Radeon HD 3850 based on the 55nm, second unified shader architecture, R600. Check its page to know more about its Core.
Compared to Radeon HD 3850, it features twice as much video memory and an AGP 8X Bus Interface. Benchmarks indicate the double sized frame buffer benefits this GPU largely and so its performance is up to 8% better than the reference Radeon HD 3850.
Today's modern games should run fluently at medium settings but with modest resolutions. DirectX 11 games aren't supported.
Radeon HD 3800 Series is not a GPU but instead a combination between Radeon HD 3830, Radeon HD 3850 and Radeon HD 3870 whose rank is a balance between the three and that exists for System Requirements purposes only.
Recommended CPU
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Possible GPU Upgrades
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GPU Variants
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