Radeon RX 7900 XTX vs X1800 XT
General info
GPU architecture, market segment, value for money and other general parameters compared.
| Place in performance ranking | not rated | 6 |
| Place by popularity | not in top-100 | not in top-100 |
| Value for money | no data | 27.50 |
| Architecture | R500 (2005−2007) | RDNA 3 |
| GPU code name | R520 | Navi 31 XTX |
| Market segment | Desktop | Desktop |
| Release date | 1 October 2005 (18 years ago) | 3 November 2022 (1 year ago) |
| Launch price (MSRP) | $549 | $999 |
| Current price | $125 (0.2x MSRP) | $859 (0.9x 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 | no data | 6144 |
| Core clock speed | 600 MHz | no data |
| Boost clock speed | no data | 2270 MHz |
| Number of transistors | 321 million | 57,700 million |
| Manufacturing process technology | 90 nm | 5 nm |
| Power consumption (TDP) | 113 Watt | 355 Watt |
| Texture fill rate | 9.600 | 959.6 |
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).
| Interface | PCIe 1.0 x16 | PCIe 4.0 x16 |
| Length | no data | 287 mm |
| Width | 2-slot | 2-slot |
| Supplementary power connectors | 1x 6-pin | 2x 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 | GDDR3 | GDDR6 |
| Maximum RAM amount | 512 MB | 24 GB |
| Memory bus width | 256 Bit | 384 Bit |
| Memory clock speed | 1400 MHz | 20000 MHz |
| Memory bandwidth | 44.8 GB/s | 960.0 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 | 2x DVI, 1x S-Video | 1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C |
| HDMI | no data | + |
API support
List of supported graphics and general-purpose computing APIs, including their specific versions.
| DirectX | 9.0c (9_3) | 12 Ultimate (12_2) |
| Shader Model | 3.0 | 6.7 |
| OpenGL | 2.0 | 4.6 |
| OpenCL | N/A | 2.1 |
| Vulkan | N/A | 1.3 |
Advantages and disadvantages
| Recency | 1 October 2005 | 3 November 2022 |
| Cost | $549 | $999 |
| Maximum RAM amount | 512 MB | 24 GB |
| Chip lithography | 90 nm | 5 nm |
| Power consumption (TDP) | 113 Watt | 355 Watt |
We couldn't decide between Radeon X1800 XT and Radeon RX 7900 XTX. We've got no test results to judge.
Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.
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