Radeon R3 Mobile Graphics vs GeForce GT 640 OEM Rebrand
Contents
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 | Fermi 2.0 (2010−2014) | GCN 2.0 (2013−2017) |
| GPU code name | GF116 | Beema |
| Market segment | Desktop | Laptop |
| Release date | 24 April 2012 (13 years ago) | 28 January 2015 (10 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 | 144 | 128 |
| Core clock speed | 720 MHz | 600 MHz |
| Boost clock speed | no data | 655 MHz |
| Number of transistors | 1,170 million | 930 million |
| Manufacturing process technology | 40 nm | 28 nm |
| Power consumption (TDP) | 75 Watt | 15 Watt |
| Texture fill rate | 17.28 | 4.800 |
| Floating-point processing power | 0.4147 TFLOPS | 0.1536 TFLOPS |
| ROPs | 24 | 4 |
| TMUs | 24 | 8 |
| L1 Cache | 192 KB | no data |
| L2 Cache | 384 KB | no data |
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 | IGP |
| Length | 145 mm | no data |
| Width | 1-slot | no data |
| Supplementary power connectors | None | no data |
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 | System Shared |
| Maximum RAM amount | 1536 MB | System Shared |
| Memory bus width | 192 Bit | System Shared |
| Memory clock speed | 800 MHz | System Shared |
| Memory bandwidth | 38.4 GB/s | no data |
| Shared memory | no data | + |
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 | 2x DVI, 1x mini-HDMI | No outputs |
| HDMI | + | - |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (11_0) | 12 (12_0) |
| Shader Model | 5.1 | 6.3 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.1 | 2.0 |
| Vulkan | N/A | 1.2.131 |
| CUDA | 2.1 | - |
Pros & cons summary
| Recency | 24 April 2012 | 28 January 2015 |
| Chip lithography | 40 nm | 28 nm |
| Power consumption (TDP) | 75 Watt | 15 Watt |
R3 Mobile Graphics has an age advantage of 2 years, a 42.9% more advanced lithography process, and 400% lower power consumption.
We couldn't decide between GeForce GT 640 OEM Rebrand and Radeon R3 Mobile Graphics. We've got no test results to judge.
Be aware that GeForce GT 640 OEM Rebrand is a desktop graphics card while Radeon R3 Mobile Graphics is a notebook one.
Other comparisons
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.
