HD Graphics P4000 vs GeForce GT 640 OEM
Aggregate performance score
We've compared GeForce GT 640 OEM and HD Graphics P4000, covering specs and all relevant benchmarks.
640 OEM outperforms HD Graphics P4000 by a significant 26% 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 | 1008 | 1090 |
| Place by popularity | not in top-100 | 26 |
| Power efficiency | 2.38 | 2.10 |
| Architecture | Kepler (2012−2018) | Generation 7.0 (2012−2013) |
| GPU code name | GK107 | Ivy Bridge GT2 |
| Market segment | Desktop | Desktop |
| Release date | 24 April 2012 (13 years ago) | 14 May 2012 (13 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 | 128 |
| Core clock speed | 797 MHz | 650 MHz |
| Boost clock speed | no data | 1250 MHz |
| Number of transistors | 1,270 million | 1,200 million |
| Manufacturing process technology | 28 nm | 22 nm |
| Power consumption (TDP) | 50 Watt | 45 Watt |
| Texture fill rate | 25.50 | 20.00 |
| Floating-point processing power | 0.6121 TFLOPS | 0.32 TFLOPS |
| ROPs | 16 | 1 |
| TMUs | 32 | 16 |
| 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).
| Interface | PCIe 3.0 x16 | PCIe 1.0 x16 |
| Length | 145 mm | no data |
| Width | 1-slot | IGP |
| 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 | 2 GB | System Shared |
| Memory bus width | 128 Bit | System Shared |
| Memory clock speed | 891 MHz | System Shared |
| Memory bandwidth | 28.51 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 | 1x DVI, 1x HDMI, 1x DisplayPort | No outputs |
| HDMI | + | - |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (11_0) | 11.1 (11_0) |
| Shader Model | 5.1 | 5.0 |
| OpenGL | 4.6 | 4.0 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | 1.1.126 | 1.1.80 |
| 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 | 1.55 | 1.23 |
| Chip lithography | 28 nm | 22 nm |
| Power consumption (TDP) | 50 Watt | 45 Watt |
GT 640 OEM has a 26% higher aggregate performance score.
HD Graphics P4000, on the other hand, has a 27.3% more advanced lithography process, and 11.1% lower power consumption.
The GeForce GT 640 OEM is our recommended choice as it beats the HD Graphics P4000 in performance tests.
Other comparisons
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