GeForce 7800 GT vs ATI Radeon X1900 XTX

Primary details

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

Place in the rankingnot rated1187
Place by popularitynot in top-100not in top-100
Power efficiencyno data0.67
ArchitectureR500 (2005−2007)Curie (2003−2013)
GPU code nameR580G70
Market segmentDesktopDesktop
Release date24 January 2006 (18 years ago)11 August 2005 (19 years ago)
Launch price (MSRP)$399 $449

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.

Core clock speed650 MHz400 MHz
Number of transistors384 million302 million
Manufacturing process technology90 nm110 nm
Power consumption (TDP)135 Watt65 Watt
Texture fill rate10.408.000
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).

InterfacePCIe 1.0 x16PCIe 1.0 x16
Length242 mm226 mm
Width2-slot1-slot
Supplementary power connectors1x 6-pin1x 6-pin

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 speed775 MHz500 MHz
Memory bandwidth49.6 GB/s32 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-Video2x DVI, 1x S-Video

API compatibility

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

DirectX9.0c (9_3)9.0c (9_3)
Shader Model3.03.0
OpenGL2.1 (full) 3.0 (partial)2.1
OpenCLN/AN/A
VulkanN/AN/A

Pros & cons summary


Recency 24 January 2006 11 August 2005
Maximum RAM amount 512 MB 256 MB
Chip lithography 90 nm 110 nm
Power consumption (TDP) 135 Watt 65 Watt

ATI X1900 XTX has an age advantage of 5 months, a 100% higher maximum VRAM amount, and a 22.2% more advanced lithography process.

7800 GT, on the other hand, has 107.7% lower power consumption.

We couldn't decide between Radeon X1900 XTX and GeForce 7800 GT. 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 X1900 XTX
Radeon X1900 XTX
NVIDIA GeForce 7800 GT
GeForce 7800 GT

Comparisons with similar GPUs

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Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


3.4 9 votes

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2.5 67 votes

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Questions & comments

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