Radeon HD 8790M vs R9 M275X
Aggregated performance score
R9 M275X outperforms HD 8790M by a moderate 18% based on our aggregated benchmark results.
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in performance ranking | 655 | 694 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 0.33 |
| Architecture | GCN 1.0 (2012−2020) | GCN (2011−2017) |
| GPU code name | Venus | Mars XTX |
| Market segment | Desktop | Laptop |
| Release date | 28 January 2014 (10 years ago) | 16 November 2012 (11 years ago) |
| Current price | $9.99 | $460 |
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 | 640 | 384 |
| Compute units | 10 | no data |
| Core clock speed | 900 MHz | 850 MHz |
| Boost clock speed | 925 MHz | 900 MHz |
| Number of transistors | 1,500 million | 950 million |
| Manufacturing process technology | 28 nm | 28 nm |
| Power consumption (TDP) | no data | unknown |
| Texture fill rate | 37.00 | 21.60 |
| Floating-point performance | 1,184 gflops | 691.2 gflops |
Form factor & compatibility
Information on Radeon R9 M275X and Radeon HD 8790M 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 |
| Bus support | PCIe 3.0 x16 | no data |
| Interface | PCIe 3.0 x16 | MXM-A (3.0) |
| Supplementary power connectors | no data | None |
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 | GDDR5 |
| Maximum RAM amount | 4 GB | 2 GB |
| Memory bus width | 128 Bit | 128 Bit |
| Memory clock speed | 1125 MHz | 4500 MHz |
| Memory bandwidth | 72 GB/s | 64 GB/s |
| 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 | No outputs | No outputs |
| Eyefinity | 1 | no data |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| AppAcceleration | - | no data |
| Enduro | - | no data |
| FreeSync | 1 | no data |
| HD3D | + | no data |
| PowerTune | + | no data |
| DualGraphics | 1 | no data |
| TrueAudio | - | no data |
| ZeroCore | + | no data |
| Switchable graphics | 1 | no data |
API compatibility
List of supported graphics and general-purpose computing APIs, including their specific versions.
| DirectX | DirectX® 11 | 12 (11_1) |
| Shader Model | 5.1 | 5.1 |
| OpenGL | 4.4 | 4.6 |
| OpenCL | Not Listed | 1.2 |
| Vulkan | no data | 1.2.131 |
| Mantle | + | no data |
Synthetic benchmark performance
Non-gaming benchmark performance comparison. The combined score is measured on a 0-100 point scale.
Combined synthetic benchmark score
This is our combined benchmark performance score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
R9 M275X outperforms HD 8790M by 18% based on our aggregated benchmark results.
Passmark
This is the most ubiquitous GPU benchmark, part of Passmark PerformanceTest suite. 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.
Benchmark coverage: 25%
R9 M275X outperforms HD 8790M by 18% in Passmark.
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 | 30−35
+7.1%
| 28
−7.1%
|
Pros & cons summary
| Performance score | 3.97 | 3.37 |
| Recency | 28 January 2014 | 16 November 2012 |
| Maximum RAM amount | 4 GB | 2 GB |
The Radeon R9 M275X is our recommended choice as it beats the Radeon HD 8790M in performance tests.
Be aware that Radeon R9 M275X is a desktop card while Radeon HD 8790M 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.
