GeForce G102M vs GT 640
Aggregate performance score
We've compared GeForce GT 640 with GeForce G102M, including specs and performance data.
GT 640 outperforms G102M by a whopping 598% 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 | 846 | 1332 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.20 | no data |
| Power efficiency | 3.31 | 2.20 |
| Architecture | Kepler (2012−2018) | Tesla (2006−2010) |
| GPU code name | GK107 | C79 |
| Market segment | Desktop | Laptop |
| Release date | 5 June 2012 (13 years ago) | 8 January 2009 (17 years ago) |
| Launch price (MSRP) | $99 | no data |
Cost-effectiveness evaluation
The higher the ratio, the better. We use the manufacturer's recommended prices.
Performance to price scatter graph
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 | 16 |
| Core clock speed | 902 MHz | 450 MHz |
| Number of transistors | 1,270 million | 314 million |
| Manufacturing process technology | 28 nm | 65 nm |
| Power consumption (TDP) | 65 Watt | 14 Watt |
| Texture fill rate | 28.86 | 3.600 |
| Floating-point processing power | 0.6927 TFLOPS | 0.0352 TFLOPS |
| Gigaflops | no data | 48 |
| ROPs | 16 | 4 |
| TMUs | 32 | 8 |
| L1 Cache | 32 KB | no data |
| L2 Cache | 256 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).
| Bus support | no data | PCI-E 1.0 |
| Interface | PCIe 3.0 x16 | PCIe 1.0 x16 |
| 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 | GDDR2 |
| Maximum RAM amount | 2 GB | Up to 512 MB |
| Memory bus width | 128 Bit | 64 Bit |
| Memory clock speed | 891 MHz | 400 MHz |
| Memory bandwidth | 28.51 GB/s | 6.4 GB/s |
| 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 | 1x DVI, 1x HDMI, 1x DisplayPort | VGAHDMIDisplayPortSingle Link DVILVDS |
| Multi monitor support | no data | + |
| HDMI | + | + |
| Maximum VGA resolution | no data | 2048x1536 |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| Power management | no data | 8.0 |
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 | 2.1 |
| OpenCL | 1.2 | N/A |
| Vulkan | 1.1.126 | N/A |
| CUDA | 3.0 | + |
Synthetic benchmarks
Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.
Combined synthetic benchmark score
This is our combined benchmark score.
Passmark
This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.
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 | 2.79 | 0.40 |
| Recency | 5 June 2012 | 8 January 2009 |
| Chip lithography | 28 nm | 65 nm |
| Power consumption (TDP) | 65 Watt | 14 Watt |
GT 640 has a 598% higher aggregate performance score, an age advantage of 3 years, and a 132% more advanced lithography process.
GeForce G102M, on the other hand, has 364% lower power consumption.
The GeForce GT 640 is our recommended choice as it beats the GeForce G102M in performance tests.
Be aware that GeForce GT 640 is a desktop graphics card while GeForce G102M is a notebook one.
Other comparisons
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