GeForce 7900 GS AGP vs ATI Radeon HD 3850 AGP

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Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking1081not rated
Place by popularitynot in top-100not in top-100
Power efficiency1.02no data
ArchitectureTeraScale (2005−2013)Curie (2003−2013)
GPU code nameRV670G71
Market segmentDesktopDesktop
Release date3 January 2008 (16 years ago)2 April 2006 (18 years ago)

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores320no data
Core clock speed668 MHz450 MHz
Number of transistors666 million278 million
Manufacturing process technology55 nm90 nm
Power consumption (TDP)75 Wattno data
Texture fill rate10.699.000
Floating-point processing power0.4275 TFLOPSno data
ROPs1616
TMUs1620

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

InterfaceAGP 8xAGP 8x
Width1-slot1-slot
Supplementary power connectors1x 8-pin1x Molex

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeGDDR3GDDR3
Maximum RAM amount512 MB256 MB
Memory bus width256 Bit256 Bit
Memory clock speed828 MHz660 MHz
Memory bandwidth52.99 GB/s42.24 GB/s

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display Connectors2x DVI, 1x S-Video1x DVI, 1x S-Video

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX10.1 (10_1)9.0c (9_3)
Shader Model4.13.0
OpenGL3.32.1
OpenCLN/AN/A
VulkanN/AN/A

Pros & cons summary


Recency 3 January 2008 2 April 2006
Maximum RAM amount 512 MB 256 MB
Chip lithography 55 nm 90 nm

ATI HD 3850 AGP has an age advantage of 1 year, a 100% higher maximum VRAM amount, and a 63.6% more advanced lithography process.

We couldn't decide between Radeon HD 3850 AGP and GeForce 7900 GS AGP. We've got no test results to judge.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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ATI Radeon HD 3850 AGP
Radeon HD 3850 AGP
NVIDIA GeForce 7900 GS AGP
GeForce 7900 GS AGP

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Community ratings

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3.5 32 votes

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