Radeon RX 580 2048SP vs GeForce GT 640M Mac Edition
Aggregate performance score
We've compared GeForce GT 640M Mac Edition with Radeon RX 580 2048SP, including specs and performance data.
580 2048SP outperforms 640M Mac Edition by a whopping 1799% based on our aggregate benchmark results.
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 1157 | 333 |
| Place by popularity | not in top-100 | 45 |
| Power efficiency | 2.29 | 9.29 |
| Architecture | Kepler (2012−2018) | GCN 4.0 (2016−2020) |
| GPU code name | GK107 | Polaris 20 |
| Market segment | Laptop | Desktop |
| Release date | 3 February 2013 (12 years ago) | 15 October 2018 (7 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 | 384 | 2048 |
| Core clock speed | 745 MHz | 1168 MHz |
| Boost clock speed | no data | 1284 MHz |
| Number of transistors | 1,270 million | 5,700 million |
| Manufacturing process technology | 28 nm | 14 nm |
| Power consumption (TDP) | 32 Watt | 150 Watt |
| Texture fill rate | 23.84 | 164.4 |
| Floating-point processing power | 0.5722 TFLOPS | 5.259 TFLOPS |
| ROPs | 8 | 32 |
| TMUs | 32 | 128 |
| L1 Cache | 32 KB | 512 KB |
| L2 Cache | 128 KB | 2 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 | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Length | no data | 241 mm |
| Width | no data | 2-slot |
| Supplementary power connectors | no data | 1x 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 | GDDR5 | GDDR5 |
| Maximum RAM amount | 512 MB | 8 GB |
| Memory bus width | 64 Bit | 256 Bit |
| Memory clock speed | 1250 MHz | 1750 MHz |
| Memory bandwidth | 40 GB/s | 224.0 GB/s |
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 | 1x DVI, 1x HDMI, 3x DisplayPort |
| 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 | 6.4 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 2.0 |
| Vulkan | 1.1.126 | 1.2.131 |
| CUDA | 3.0 | - |
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 | 0.91 | 17.28 |
| Recency | 3 February 2013 | 15 October 2018 |
| Maximum RAM amount | 512 MB | 8 GB |
| Chip lithography | 28 nm | 14 nm |
| Power consumption (TDP) | 32 Watt | 150 Watt |
GT 640M Mac Edition has 368.8% lower power consumption.
RX 580 2048SP, on the other hand, has a 1798.9% higher aggregate performance score, an age advantage of 5 years, a 1500% higher maximum VRAM amount, and a 100% more advanced lithography process.
The Radeon RX 580 2048SP is our recommended choice as it beats the GeForce GT 640M Mac Edition in performance tests.
Be aware that GeForce GT 640M Mac Edition is a notebook graphics card while Radeon RX 580 2048SP is a desktop one.
Other comparisons
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