ATI Radeon HD 2900 GT vs GeForce 8400

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Aggregate performance score

We've compared GeForce 8400 and Radeon HD 2900 GT, covering specs and all relevant benchmarks.

GeForce 8400
2007
256 MB DDR2, 25 Watt
0.21

ATI HD 2900 GT outperforms 8400 by a whopping 262% based on our aggregate benchmark results.

Primary details

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

Place in the ranking13811155
Place by popularitynot in top-100not in top-100
Power efficiency0.580.35
ArchitectureTesla (2006−2010)TeraScale (2005−2013)
GPU code nameG98R600
Market segmentDesktopDesktop
Release date4 December 2007 (17 years ago)6 November 2007 (17 years ago)
Launch price (MSRP)$69.78 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 cores8240
Core clock speed540 MHz601 MHz
Number of transistors210 million720 million
Manufacturing process technology65 nm80 nm
Power consumption (TDP)25 Watt150 Watt
Texture fill rate4.3207.212
Floating-point processing power0.0208 TFLOPS0.2885 TFLOPS
ROPs412
TMUs812

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 2.0 x16PCIe 1.0 x16
Width1-slot2-slot
Supplementary power connectorsNone1x 8-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 typeDDR2GDDR3
Maximum RAM amount256 MB256 MB
Memory bus width64 Bit256 Bit
Memory clock speed500 MHz800 MHz
Memory bandwidth8 GB/s51.2 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 Connectors1x DVI, 1x VGA, 1x S-Video2x DVI, 1x S-Video

API compatibility

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

DirectX11.1 (10_0)10.0 (10_0)
Shader Model4.04.0
OpenGL3.33.3
OpenCL1.1N/A
VulkanN/AN/A
CUDA1.1-

Synthetic benchmark performance

Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.


Combined synthetic benchmark score

This is our combined benchmark score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

GeForce 8400 0.21
ATI HD 2900 GT 0.76
+262%

Passmark

This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.

GeForce 8400 81
ATI HD 2900 GT 292
+260%

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

Pros & cons summary


Performance score 0.21 0.76
Chip lithography 65 nm 80 nm
Power consumption (TDP) 25 Watt 150 Watt

GeForce 8400 has a 23.1% more advanced lithography process, and 500% lower power consumption.

ATI HD 2900 GT, on the other hand, has a 261.9% higher aggregate performance score.

The Radeon HD 2900 GT is our recommended choice as it beats the GeForce 8400 in performance tests.


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

Vote for your favorite

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NVIDIA GeForce 8400
GeForce 8400
ATI Radeon HD 2900 GT
Radeon HD 2900 GT

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

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


2.5 26 votes

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2.1 8 votes

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Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.