Radeon HD 7640G vs GeForce GTS 450 Rev. 2
Aggregated performance score
GeForce GTS 450 Rev. 2 outperforms Radeon HD 7640G by 268% based on our aggregated benchmark results.
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in performance ranking | 627 | 1019 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 0.04 |
| Architecture | Fermi 2.0 (2010−2014) | Terascale 3 (2010−2013) |
| GPU code name | GF116 | Trinity |
| Market segment | Desktop | Laptop |
| Release date | 15 March 2011 (13 years ago) | 15 May 2012 (11 years ago) |
| Current price | no data | $338 |
Cost-effectiveness evaluation
Performance to price ratio. The higher, the better.
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 | 192 | 256 |
| Core clock speed | 783 MHz | 497 MHz |
| Boost clock speed | no data | 686 MHz |
| Number of transistors | 1,170 million | 1,303 million |
| Manufacturing process technology | 40 nm | 32 nm |
| Power consumption (TDP) | 106 Watt | 35 Watt |
| Texture fill rate | 25.06 | 10.96 |
| Floating-point performance | 601.3 gflops | no data |
Form factor & compatibility
Information on GeForce GTS 450 Rev. 2 and Radeon HD 7640G compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop video cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility). For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.
| Laptop size | no data | medium sized |
| Interface | PCIe 2.0 x16 | IGP |
| Length | 210 mm | no data |
| Width | 2-slot | no data |
| Supplementary power connectors | 1x 6-pin | 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 | GDDR5 | System Shared |
| Maximum RAM amount | 1 GB | System Shared |
| Memory bus width | 128 Bit | System Shared |
| Memory clock speed | 3608 MHz | System Shared |
| Memory bandwidth | 57.73 GB/s | no data |
| Shared memory | 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 | 2x DVI, 1x mini-HDMI | No outputs |
| HDMI | + | no data |
API compatibility
List of supported graphics and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (11_0) | 11.2 (11_0) |
| Shader Model | 5.1 | 5.0 |
| OpenGL | 4.6 | 4.4 |
| OpenCL | 1.1 | 1.2 |
| Vulkan | N/A | N/A |
| CUDA | 2.1 | no data |
Gaming performance
Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.
Average FPS across all PC games
Here are the average frames per second in a large set of popular games across different resolutions:
| Full HD | 35−40
+250%
| 10
−250%
|
Pros & cons summary
| Performance score | 4.38 | 1.19 |
| Recency | 15 March 2011 | 15 May 2012 |
| Maximum RAM amount | 1 GB | System Shared |
| Chip lithography | 40 nm | 32 nm |
| Power consumption (TDP) | 106 Watt | 35 Watt |
The GeForce GTS 450 Rev. 2 is our recommended choice as it beats the Radeon HD 7640G in performance tests.
Be aware that GeForce GTS 450 Rev. 2 is a desktop card while Radeon HD 7640G is a notebook one.
Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.
Comparisons with similar GPUs
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.
