Radeon RX 7400 vs GeForce 256 SDR
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | not rated | 229 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | no data | 49.73 |
| Architecture | Celsius (1999−2005) | RDNA 3.0 (2022−2026) |
| GPU code name | NV10 | Navi 33 |
| Market segment | Desktop | Desktop |
| Release date | 11 October 1999 (26 years ago) | 8 August 2025 (less than a year ago) |
| Launch price (MSRP) | $249 | 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 cores | no data | 1792 |
| Core clock speed | 120 MHz | 1452 MHz |
| Boost clock speed | no data | 2300 MHz |
| Number of transistors | 17 million | 13,300 million |
| Manufacturing process technology | 220 nm | 6 nm |
| Power consumption (TDP) | no data | 43 Watt |
| Texture fill rate | 0.48 | 257.6 |
| Floating-point processing power | no data | 16.49 TFLOPS |
| ROPs | 4 | 64 |
| TMUs | 4 | 112 |
| Ray Tracing Cores | no data | 28 |
| L0 Cache | no data | 448 KB |
| L1 Cache | no data | 512 KB |
| L2 Cache | no data | 2 MB |
| L3 Cache | no data | 64 MB |
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 | AGP 4x | PCIe 4.0 x8 |
| Width | 1-slot | 2-slot |
| Supplementary power connectors | None | 1x 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 type | SDR | GDDR6 |
| Maximum RAM amount | 32 MB | 8 GB |
| Memory bus width | 64 Bit | 128 Bit |
| Memory clock speed | 143 MHz | 2250 MHz |
| Memory bandwidth | 1.144 GB/s | 288.0 GB/s |
| Resizable BAR | - | + |
Connectivity and outputs
This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.
| Display Connectors | 1x VGA | 1x HDMI 2.1a, 3x DisplayPort 2.1 |
| HDMI | - | + |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 7.0 | 12 Ultimate (12_2) |
| Shader Model | no data | 6.8 |
| OpenGL | 1.2 | 4.6 |
| OpenCL | N/A | 2.2 |
| Vulkan | N/A | 1.3 |
Pros & cons summary
| Recency | 11 October 1999 | 8 August 2025 |
| Maximum RAM amount | 32 MB | 8 GB |
| Chip lithography | 220 nm | 6 nm |
RX 7400 has an age advantage of 25 years, a 25500% higher maximum VRAM amount, and a 3566.7% more advanced lithography process.
We couldn't decide between GeForce 256 SDR and Radeon RX 7400. We've got no test results to judge.
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