Radeon HD 8490 OEM vs GeForce 8800 GTX

Primary details

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

Place in the ranking971not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.02no data
Power efficiency0.69no data
ArchitectureTesla (2006−2010)TeraScale 2 (2009−2015)
GPU code nameG80Caicos
Market segmentDesktopDesktop
Release date8 November 2006 (18 years ago)23 July 2013 (11 years ago)
Launch price (MSRP)$599 no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

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 cores575160
Core clock speed576 MHz875 MHz
Number of transistors681 million370 million
Manufacturing process technology90 nm40 nm
Power consumption (TDP)155 Watt35 Watt
Texture fill rate36.867.000
Floating-point processing power0.3456 TFLOPS0.28 TFLOPS
ROPs244
TMUs328

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).

InterfacePCIe 1.0 x16PCIe 2.0 x16
Length270 mm168 mm
Width2-slot1-slot
Supplementary power connectors2x 6-pinNone
SLI options+-

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 typeGDDR3DDR3
Maximum RAM amount768 MB1 GB
Memory bus width384 Bit64 Bit
Memory clock speed900 MHz900 MHz
Memory bandwidth86.4 GB/s14.4 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 DisplayPort

API compatibility

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

DirectX11.1 (10_0)11.2 (11_0)
Shader Model4.05.0
OpenGL3.34.4
OpenCL1.11.2
VulkanN/AN/A
CUDA+-

Pros & cons summary


Recency 8 November 2006 23 July 2013
Maximum RAM amount 768 MB 1 GB
Chip lithography 90 nm 40 nm
Power consumption (TDP) 155 Watt 35 Watt

HD 8490 OEM has an age advantage of 6 years, a 33.3% higher maximum VRAM amount, a 125% more advanced lithography process, and 342.9% lower power consumption.

We couldn't decide between GeForce 8800 GTX and Radeon HD 8490 OEM. 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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NVIDIA GeForce 8800 GTX
GeForce 8800 GTX
AMD Radeon HD 8490 OEM
Radeon HD 8490 OEM

Comparisons with similar GPUs

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Community ratings

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Questions & comments

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