GeForce GTX 260 Rev. 2 vs GT 640
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 858 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.20 | no data |
| Power efficiency | 3.32 | no data |
| Architecture | Kepler (2012−2018) | Tesla 2.0 (2007−2013) |
| GPU code name | GK107 | GT200B |
| Market segment | Desktop | Desktop |
| Release date | 5 June 2012 (14 years ago) | 23 July 2008 (18 years ago) |
| Launch price (MSRP) | $99 | $449 |
Cost-effectiveness evaluation
The higher the ratio, the better. We use the manufacturer's recommended prices.
Performance to price scatter graph
Currently popular graphics cards are shown for comparison.
Detailed specifications
General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Real power consumption of some graphics cards can well exceed their nominal TDP, especially if overclocked.
| Pipelines / CUDA cores | 384 | 192 |
| Core clock speed | 902 MHz | 576 MHz |
| Number of transistors | 1,270 million | 1,400 million |
| Manufacturing process technology | 28 nm | 55 nm |
| Power consumption (TDP) | 65 Watt | 182 Watt |
| Texture fill rate | 28.86 | 36.86 |
| Floating-point processing power | 0.6927 TFLOPS | 0.4769 TFLOPS |
| ROPs | 16 | 28 |
| TMUs | 32 | 64 |
| L1 Cache | 32 KB | no data |
| L2 Cache | 256 KB | 224 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).
| Interface | PCIe 3.0 x16 | PCIe 2.0 x16 |
| Length | 145 mm | 267 mm |
| Width | 1-slot | 2-slot |
| Supplementary power connectors | None | 2x 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 | DDR3 | GDDR3 |
| Maximum RAM amount | 2 GB | 896 MB |
| Memory bus width | 128 Bit | 448 Bit |
| Memory clock speed | 891 MHz | 999 MHz |
| Memory bandwidth | 28.51 GB/s | 111.9 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 | 1x DVI, 1x HDMI, 1x DisplayPort | 2x DVI, 1x S-Video |
| HDMI | + | - |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (11_0) | 11.1 (10_0) |
| Shader Model | 5.1 | 4.0 |
| OpenGL | 4.6 | 3.3 |
| OpenCL | 1.2 | 1.1 |
| Vulkan | 1.1.126 | N/A |
| CUDA | 3.0 | 1.3 |
Pros & cons summary
| Recency | 5 June 2012 | 23 July 2008 |
| Maximum RAM amount | 2 GB | 896 MB |
| Chip lithography | 28 nm | 55 nm |
| Power consumption (TDP) | 65 Watt | 182 Watt |
GT 640 has an age advantage of 3 years, a 129% higher maximum VRAM amount, a 96% more advanced lithography process, and 180% lower power consumption.
We couldn't decide between GeForce GT 640 and GeForce GTX 260 Rev. 2. We've got no test results to judge.
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