GeForce 9400 GT Rev. 3 vs Radeon HD 6490
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Architecture | TeraScale 2 (2009−2015) | Tesla 2.0 (2007−2013) |
| GPU code name | Redwood | GT218 |
| Market segment | Desktop | Desktop |
| Release date | 4 July 2011 (13 years ago) | 13 June 2012 (12 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 cores | 320 | 16 |
| Core clock speed | 550 MHz | 589 MHz |
| Number of transistors | 627 million | 260 million |
| Manufacturing process technology | 40 nm | 40 nm |
| Power consumption (TDP) | 39 Watt | 50 Watt |
| Texture fill rate | 8.800 | 4.712 |
| Floating-point processing power | 0.352 TFLOPS | 0.04486 TFLOPS |
| ROPs | 8 | 4 |
| TMUs | 16 | 8 |
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).
| Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| Length | 165 mm | 168 mm |
| Width | 1-slot | 1-slot |
| Supplementary power connectors | None | None |
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 type | DDR2 | DDR2 |
| Maximum RAM amount | 1 GB | 128 MB |
| Memory bus width | 128 Bit | 64 Bit |
| Memory clock speed | 500 MHz | 600 MHz |
| Memory bandwidth | 16 GB/s | 9.6 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 Connectors | 1x DVI, 1x HDMI, 1x VGA | 1x DVI, 1x VGA, 1x S-Video |
| HDMI | + | - |
API compatibility
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 11.2 (11_0) | 11.1 (10_1) |
| Shader Model | 5.0 | 4.1 |
| OpenGL | 4.4 | 3.3 |
| OpenCL | 1.2 | 1.1 |
| Vulkan | N/A | N/A |
| CUDA | - | 1.2 |
Pros & cons summary
| Recency | 4 July 2011 | 13 June 2012 |
| Maximum RAM amount | 1 GB | 128 MB |
| Power consumption (TDP) | 39 Watt | 50 Watt |
HD 6490 has a 700% higher maximum VRAM amount, and 28.2% lower power consumption.
9400 GT Rev. 3, on the other hand, has an age advantage of 11 months.
We couldn't decide between Radeon HD 6490 and GeForce 9400 GT Rev. 3. 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.
Comparisons with similar GPUs
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