ATI Radeon HD 2900 XTX vs ATI HD 2900 XT

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Primary details

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

Place in the ranking931not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.05no data
Power efficiency0.55no data
ArchitectureTeraScale (2005−2013)TeraScale (2005−2013)
GPU code nameR600R600
Market segmentDesktopDesktop
Release date14 May 2007 (17 years ago)no data
Launch price (MSRP)$399 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 cores320320
Core clock speed743 MHz743 MHz
Number of transistors720 million720 million
Manufacturing process technology80 nm80 nm
Power consumption (TDP)215 Watt240 Watt
Texture fill rate11.8911.89
Floating-point processing power0.4755 TFLOPSno data
ROPs1616
TMUs1616

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
Length241 mm315 mm
Width2-slot2-slot
Supplementary power connectors1x 6-pin + 1x 8-pin2x 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 MB512 MB
Memory bus width512 Bit512 Bit
Memory clock speed828 MHz1656 MBps
Memory bandwidth106.0 GB/s106.0 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.

DirectX10.0 (10_0)10.0 (10_0)
Shader Model4.04.0
OpenGL3.33.3 (full) 4.0 (partial)
OpenCLN/AN/A
VulkanN/AN/A

Pros & cons summary


Power consumption (TDP) 215 Watt 240 Watt

ATI HD 2900 XT has 11.6% lower power consumption.

We couldn't decide between Radeon HD 2900 XT and Radeon HD 2900 XTX. 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 2900 XT
Radeon HD 2900 XT
ATI Radeon HD 2900 XTX
Radeon HD 2900 XTX

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Community ratings

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3.8 64 votes

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5 4 votes

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