Radeon RX 6600 XT vs R9 M275X
Aggregated performance score
RX 6600 XT outperforms R9 M275X by 972% based on our aggregated benchmark results.
General info
GPU architecture, market segment, value for money and other general parameters compared.
| Place in performance ranking | 653 | 79 |
| Place by popularity | not in top-100 | 51 |
| Value for money | no data | 47.23 |
| Architecture | GCN 1.0 (2012−2020) | Navi / RDNA2 (2020−2022) |
| GPU code name | Venus | Navi 23 |
| Market segment | Desktop | Desktop |
| Release date | 28 January 2014 (10 years old) | 30 July 2021 (2 years old) |
| Launch price (MSRP) | no data | $379 |
| Current price | $9.99 | $283 (0.7x MSRP) |
Value for money
Performance to price ratio. The higher, the better.
Technical specs
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 | 2048 |
| Compute units | 10 | no data |
| Core clock speed | 900 MHz | 1968 MHz |
| Boost clock speed | 925 MHz | 2589 MHz |
| Number of transistors | 1,500 million | 11,060 million |
| Manufacturing process technology | 28 nm | 7 nm |
| Power consumption (TDP) | no data | 160 (TGP) Watt |
| Texture fill rate | 37.00 | 331.4 |
| Floating-point performance | 1,184 gflops | no data |
Size and 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 | PCIe 3.0 x16 | no data |
| Interface | PCIe 3.0 x16 | PCIe 4.0 x8 |
| Length | no data | 190 mm |
| Width | no data | 2-slot |
| Supplementary power connectors | no data | 1x 8-pin |
Memory
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 | GDDR6 |
| Maximum RAM amount | 4 GB | 8 GB |
| Memory bus width | 128 Bit | 128 Bit |
| Memory clock speed | 1125 MHz | 16000 MHz |
| Memory bandwidth | 72 GB/s | 256.0 GB/s |
| Shared memory | no data | - |
Video outputs and ports
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 | 1x HDMI, 2x DisplayPort |
| Eyefinity | 1 | no data |
| HDMI | no data | + |
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 support
List of supported graphics and general-purpose computing APIs, including their specific versions.
| DirectX | DirectX® 11 | 12.0 Ultimate (12_2) |
| Shader Model | 5.1 | 6.5 |
| OpenGL | 4.4 | 4.6 |
| OpenCL | Not Listed | 2.1 |
| Vulkan | no data | 1.2 |
| 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.
RX 6600 XT outperforms R9 M275X by 972% 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%
RX 6600 XT outperforms R9 M275X by 972% 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 | 12−14
−1000%
| 132
+1000%
|
| 1440p | 6−7
−1133%
| 74
+1133%
|
| 4K | 3−4
−1267%
| 41
+1267%
|
Advantages and disadvantages
| Performance score | 3.97 | 42.56 |
| Recency | 28 January 2014 | 30 July 2021 |
| Maximum RAM amount | 4 GB | 8 GB |
| Chip lithography | 28 nm | 7 nm |
The Radeon RX 6600 XT is our recommended choice as it beats the Radeon R9 M275X in performance tests.
Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.
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