GeForce GT 640 Rev. 2 vs GTX 295
Aggregate performance score
We've compared GeForce GTX 295 and GeForce GT 640 Rev. 2, covering specs and all relevant benchmarks.
GT 640 Rev. 2 outperforms GTX 295 by a moderate 13% based on our aggregate benchmark results.
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in performance ranking | 754 | 722 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.12 | 0.19 |
| Architecture | Tesla 2.0 (2007−2013) | Kepler 2.0 (2013−2015) |
| GPU code name | GT200B | GK208 |
| Market segment | Desktop | Desktop |
| Release date | 8 January 2009 (15 years ago) | 29 May 2013 (11 years ago) |
| Launch price (MSRP) | $500 | $89 |
Cost-effectiveness evaluation
Performance to price ratio. The higher, the better.
GT 640 Rev. 2 has 58% better value for money than GTX 295.
Detailed specifications
General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.
| Pipelines / CUDA cores | 240 | 384 |
| CUDA cores | 480 | no data |
| CUDA cores per GPU | 240 | no data |
| Core clock speed | 576 MHz | 1046 MHz |
| Number of transistors | 1,400 million | 915 million |
| Manufacturing process technology | 55 nm | 28 nm |
| Power consumption (TDP) | 289 Watt | 49 Watt |
| Maximum GPU temperature | 105 °C | no data |
| Texture fill rate | 46.08 | 33.47 |
| Floating-point performance | 0.5962 gflops | 0.8033 gflops |
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 | PCIe 2.0 x8 |
| Length | 267 mm | 145 mm |
| Height | 4.376" (111 mm) (11.1 cm) | no data |
| Width | 2-slot | 1-slot |
| Supplementary power connectors | 1x 6-pin + 1x 8-pin | None |
| SLI options | + | - |
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 | GDDR3 | GDDR5 |
| Maximum RAM amount | 1792 MB | 1 GB |
| Standard memory config per GPU | 896 MB | no data |
| Memory bus width | 896 Bit | 64 Bit |
| Memory clock speed | 999 MHz | 5008 MHz |
| Memory bandwidth | 223.8 GB/s | 40.06 GB/s |
| Memory interface width per GPU | 448 Bit | no data |
Connectivity and outputs
Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.
| Display Connectors | Two Dual Link DVIHDMI | 1x DVI, 1x HDMI, 1x VGA |
| Multi monitor support | + | no data |
| HDMI | + | + |
| Maximum VGA resolution | 2048x1536 | no data |
| Audio input for HDMI | S/PDIF | no data |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| High Dynamic-Range Lighting (HDRR) | 128bit | no data |
API compatibility
List of supported graphics and general-purpose computing APIs, including their specific versions.
| DirectX | 11.1 (10_0) | 12 (11_0) |
| Shader Model | 4.0 | 5.1 |
| OpenGL | 2.1 | 4.6 |
| OpenCL | 1.1 | 1.2 |
| Vulkan | N/A | 1.1.126 |
| CUDA | + | 3.5 |
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 | 3.13 | 3.55 |
| Recency | 8 January 2009 | 29 May 2013 |
| Maximum RAM amount | 1792 MB | 1 GB |
| Chip lithography | 55 nm | 28 nm |
| Power consumption (TDP) | 289 Watt | 49 Watt |
GTX 295 has a 75% higher maximum VRAM amount.
GT 640 Rev. 2, on the other hand, has a 13.4% higher aggregate performance score, an age advantage of 4 years, a 96.4% more advanced lithography process, and 489.8% lower power consumption.
The GeForce GT 640 Rev. 2 is our recommended choice as it beats the GeForce GTX 295 in performance tests.
Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.
Comparisons with similar GPUs
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