Radeon R9 280X2 vs GeForce GT 420M
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 1167 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 3.14 | no data |
| Architecture | Fermi (2010−2014) | GCN 1.0 (2012−2020) |
| GPU code name | GF108 | Tahiti |
| Market segment | Laptop | Desktop |
| Release date | 3 September 2010 (15 years ago) | 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 | 96 | 2048 ×2 |
| Core clock speed | 500 MHz | 950 MHz |
| Boost clock speed | no data | 1000 MHz |
| Number of transistors | 585 million | 4,313 million |
| Manufacturing process technology | 40 nm | 28 nm |
| Power consumption (TDP) | 23 Watt | 375 Watt |
| Texture fill rate | 8.000 | 128.0 ×2 |
| Floating-point processing power | 0.192 TFLOPS | 4.096 TFLOPS ×2 |
| ROPs | 4 | 32 ×2 |
| TMUs | 16 | 128 ×2 |
| L1 Cache | 128 KB | 512 KB |
| L2 Cache | 256 KB | 768 KB |
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).
| Laptop size | medium sized | no data |
| Interface | PCIe 2.0 x16 | PCIe 3.0 x16 |
| Length | no data | 315 mm |
| Width | no data | 2-slot |
| Supplementary power connectors | no data | 3x 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 type | DDR3 | GDDR5 |
| Maximum RAM amount | 1 GB | 3 GB ×2 |
| Memory bus width | 128 Bit | 384 Bit ×2 |
| Memory clock speed | 800 MHz | 1500 MHz |
| Memory bandwidth | 25.6 GB/s | 288.0 GB/s ×2 |
| Shared memory | - | - |
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 | No outputs | 6x mini-DisplayPort 1.2 |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 API | 12 (11_1) |
| Shader Model | 5.1 | 6.5 (5.1) |
| OpenGL | 4.5 | 4.6 |
| OpenCL | 1.1 | 2.1 (1.2) |
| Vulkan | N/A | 1.2.170 |
| CUDA | + | - |
Pros & cons summary
| Maximum RAM amount | 1 GB | 3 GB |
| Chip lithography | 40 nm | 28 nm |
| Power consumption (TDP) | 23 Watt | 375 Watt |
GT 420M has 1530.4% lower power consumption.
R9 280X2, on the other hand, has a 200% higher maximum VRAM amount, and a 42.9% more advanced lithography process.
We couldn't decide between GeForce GT 420M and Radeon R9 280X2. We've got no test results to judge.
Be aware that GeForce GT 420M is a notebook graphics card while Radeon R9 280X2 is a desktop one.
Other comparisons
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