AMD Radeon RX 6850M XT vs Intel Arc A580 Comparison

The AMD Radeon RX 6850M XT and the Intel Arc A580 are closely matched in raw 3D performance, but they diverge sharply in API-specific workloads and physical design. The RX 6850M XT takes a decisive lead in Vulkan and edges out the A580 in DirectX 12, while the Intel card counters with a substantial OpenCL advantage. The RX 6850M XT also holds a higher overall benchmark percentile, placing it in the 92nd percentile of all GPUs versus the A580's 87th. However, the Arc A580 is an actively produced desktop card, whereas the RX 6850M XT is an end-of-life mobile part, making the choice largely about use case and platform rather than sheer speed.

The Verdict

The data points to two distinct buyers. The AMD Radeon RX 6850M XT is the pick for users prioritizing Vulkan performance and a higher overall standing in the database. Its average benchmark score of 78,940 places it in the 92nd percentile of all GPUs, and it beats the Arc A580 in the head-to-head 3DMark Steel Nomad DX12 test by 1.3% (2,257 versus 2,229). In the Vulkan test, the RX 6850M XT's lead balloons to 25.3% (99,483 versus 79,381), a margin that dwarfs any other difference between these two cards. That combination of a narrow DirectX win and a massive Vulkan win makes it the stronger choice for software stacks that favor those APIs.

The Intel Arc A580 is the alternative for OpenCL-centric workloads. Its Geekbench OpenCL score of 91,657 is 7.2% higher than the RX 6850M XT's 85,040, the largest single-test advantage either card holds in the head-to-head record. The A580 also benefits from being an active product with a desktop form factor, dual-slot width, and standard power connectors, whereas the RX 6850M XT is an integrated mobile part with no discrete connectors. For a user building a new desktop system, the A580's active production status and conventional installation path are practical advantages, even if its overall percentile (87th) trails the AMD part.

Neither card is a clear winner across all metrics. The RX 6850M XT wins two of the three head-to-head tests and holds a higher average score, but the A580's OpenCL dominance and active lifecycle make it the more future-proof desktop option. The verdict from the recorded data: choose the RX 6850M XT for Vulkan-heavy environments and maximum benchmark percentile, choose the Arc A580 for OpenCL tasks and a current, serviceable desktop GPU.

Architecture Differences

The two GPUs come from different architectural lineages. The AMD Radeon RX 6850M XT uses the Navi 22 chip built on RDNA 2.0, while the Intel Arc A580 uses the DG2-512 chip based on Xe-HPG. Both are fabricated by TSMC, but on different nodes: the RX 6850M XT uses a 7 nm process, the Arc A580 uses a 6 nm process. The Intel chip is physically larger at 406 mm² versus 335 mm², and packs more transistors at 21,700 million versus 17,200 million. Transistor density is slightly higher on the Intel part, at 53.4 million per mm² compared to 51.3 million per mm².

Core counts also differ. The Arc A580 has more shading units (3,072 versus 2,560), more texture mapping units (192 versus 160), and more raster operations pipelines (96 versus 64). However, the RX 6850M XT has more ray tracing cores, with 40 compared to the A580's 24. Neither card lists tensor cores in the database. Clock speeds favor AMD: the RX 6850M XT has a base clock of 2321 MHz, a boost of 2581 MHz, and a game clock of 2463 MHz, while the Arc A580 runs at 1700 MHz base and 2000 MHz boost with no game clock listed. Memory configurations are a mixed bag. The RX 6850M XT has a larger frame buffer at 12 GB, but the Arc A580 has a wider 256-bit bus and higher memory bandwidth at 512.0 GB/s versus 432.0 GB/s. The AMD card's memory runs at 18 Gbps effective, the Intel card's at 16 Gbps effective.

Feature support is identical on paper: both support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The physical implementation could hardly be more different. The RX 6850M XT is an integrated mobile part with an IGP slot width, no power connectors, and display outputs listed as portable device dependent. The Arc A580 is a dual-slot desktop card with two 8-pin power connectors, a suggested power supply of 450 W, and fixed display outputs of 1x HDMI 2.1 and 3x DisplayPort 2.0. The AMD part is end-of-life and was released in January 2022; the Intel part is active and was released in October 2023, with a listed successor called Battlemage.

FAQ

Q: Which GPU has the higher overall benchmark score?

A: The AMD Radeon RX 6850M XT, with an average benchmark score of 78,940, which places it in the 92nd percentile of all GPUs. The Intel Arc A580 averages 57,756 and sits in the 87th percentile.

Q: How do the two cards compare in Vulkan performance?

A: The RX 6850M XT is far ahead. In the Geekbench Vulkan test, it scores 99,483 versus the Arc A580's 79,381, a 25.3% advantage for AMD.

Q: Is there any test where the Intel Arc A580 wins?

A: Yes, in Geekbench OpenCL. The Arc A580 scores 91,657 compared to 85,040 for the RX 6850M XT, a 7.2% lead for Intel.

Q: What are the memory differences between the two?

A: The RX 6850M XT has 12 GB of GDDR6 on a 192-bit bus with 432.0 GB/s bandwidth. The Arc A580 has 8 GB of GDDR6 on a 256-bit bus with 512.0 GB/s bandwidth.

Q: Do both cards support the same APIs?

A: Yes, both support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The core API feature set is identical.

Q: Which card is still in production?

A: Only the Intel Arc A580. Its production status is listed as active, while the AMD Radeon RX 6850M XT is marked end-of-life.

Specification Differences

The two cards differ across nearly every physical and compute specification. Process node: the RX 6850M XT is on 7 nm, the Arc A580 on 6 nm. Die size: 335 mm² for AMD, 406 mm² for Intel. Transistor count: 17,200 million versus 21,700 million, and density 51.3 million per mm² versus 53.4 million per mm². Clock speeds: the RX 6850M XT has a 2321 MHz base and 2581 MHz boost, while the Arc A580 runs at 1700 MHz base and 2000 MHz boost. The AMD card has a game clock of 2463 MHz; the Intel card has none listed. Memory speed: 18 Gbps effective for AMD, 16 Gbps effective for Intel. Memory size: 12 GB versus 8 GB. Bus width: 192-bit versus 256-bit. Bandwidth: 432.0 GB/s versus 512.0 GB/s. Shading units: 2,560 versus 3,072. TMUs: 160 versus 192. ROPs: 64 versus 96. Ray tracing cores: 40 versus 24. Pixel rate: 165.2 GPixel/s versus 192.0 GPixel/s. Texture rate: 413.0 GTexel/s versus 384.0 GTexel/s. FP32 compute: 13.21 TFLOPS versus 12.29 TFLOPS. FP16 compute: 26.43 TFLOPS versus 24.58 TFLOPS. TDP: 165 W versus 175 W. Slot width: IGP versus dual-slot. Power connectors: none versus 2x 8-pin. Suggested PSU: not listed for AMD, 450 W for Intel. Display outputs: portable device dependent versus 1x HDMI 2.1 and 3x DisplayPort 2.0. Release date: January 2022 versus October 2023. Production status: end-of-life versus active. Predecessor: Polaris Mobile versus Xe Graphics. Successor: none listed versus Battlemage.

Head-to-Head Benchmarks

The recorded head-to-head data covers three tests, with the AMD card winning two and Intel taking one. The closest contest is 3DMark Steel Nomad DX12, where the RX 6850M XT scores 2,257 against the Arc A580's 2,229, a 1.3% margin. That is a narrow win, but it counts in the overall tally. The largest margin in either direction comes in Geekbench Vulkan: the RX 6850M XT scores 99,483, the Arc A580 scores 79,381, and the delta is 25.3% in AMD's favor. That single result explains much of the RX 6850M XT's higher average score and percentile standing.

Intel's one victory is in Geekbench OpenCL, where the Arc A580 scores 91,657 against 85,040 for the RX 6850M XT, a 7.2% lead. That is a meaningful reversal, especially for applications that rely on OpenCL rather than Vulkan or DirectX. The overall win tally is 2 to 1 for AMD, but the individual margins tell a more nuanced story: AMD's Vulkan win is overwhelming, Intel's OpenCL win is solid, and the DirectX result is essentially a toss-up. For users who value Vulkan, the RX 6850M XT is the clear choice; for OpenCL, the Arc A580 is better.

Where Each One Wins

The AMD Radeon RX 6850M XT wins in scenarios that favor Vulkan and overall benchmark standing. Its 25.3% Vulkan lead over the Arc A580 is the defining performance gap in this comparison. It also wins the DirectX 12 test, albeit by a slim 1.3%. Its higher average score of 78,940 and 92nd percentile ranking put it in a higher performance tier than the A580's 57,756 and 87th percentile. The RX 6850M XT also offers more memory at 12 GB and a higher boost clock at 2581 MHz, which can help in texture-heavy workloads. It is the faster card in the majority of recorded tests.

The Intel Arc A580 wins in OpenCL-specific workloads, where its 7.2% advantage is the largest single-test margin Intel holds. It also has a higher pixel rate (192.0 GPixel/s versus 165.2 GPixel/s) and higher memory bandwidth (512.0 GB/s versus 432.0 GB/s), which can benefit certain rendering tasks. Its active production status and desktop form factor with dual-slot width and standard power connectors make it the more practical choice for a new desktop build. The A580 also has more shading units, TMUs, and ROPs than the AMD part, though those advantages do not translate into a win in the Vulkan or DirectX tests. For users locked into OpenCL pipelines or seeking a current, serviceable desktop GPU, the Arc A580 is the better fit.