The RX 6900 XT might be the extreme flagship of the latest RDNA 2.0 set of graphics cards, but their prices keep them out of the reach of most high-end PC gamers. On the other hand, the RX 6800 XT is closer to being reasonably affordable at a price tag of $ 649. The RX 6800 XT is much more expensive than the RX 5700 XT as it costs a whopping $ 649. Compare this to the RX 5700 XT, which came originally at a price of $ 399. Meanwhile, the NVIDIA closest equivalent card is the RTX 3080 which costs $ 699.
Spec for spec, this RX 6800 XT leapfrogs its direct predecessor, the RX 5700 XT, by boasting 92.3 % more fps. The RX 6800 XT has 16 GB RAM compared to the RX 5700 XT 's 8 GB video memory.
Compared to its NVIDIA 's closest rival, RTX 3080, the RX 6800 XT was 1.6 % faster. Fortunately, gaming performance was quite impressive. The RX 6800 XT consistently delivers great frame rate increases over the RX 5700 XT and it really justifies an upgrade.
For 1080p Full HD, we were able to play Microsoft Flight Simulator, Immortals of Aveum, The Callisto Protocol, Remnant II, The Last of Us Part I at 68 fps to 85 fps and kept frame rates hovering around 75 fps. For 1440p Quad HD, we were able to play The Last of Us Part I, Forspoken, Atomic Heart, Star Wars Jedi: Survivor, Hogwarts Legacy at 65 fps to 85 fps and kept frame rates hovering around 73 fps.
For 2160p 4K, we were able to play Metro Exodus, GreedFall, Elden Ring, Cyberpunk 2077, Godfall at 60 fps to 61 fps and kept frame rates hovering around 60 fps.
The good news is, with the release of the RTX 2080 Ti, the RTX 2080 's price is getting more discount. Spec for spec, this RTX 2080 leapfrogs its direct predecessor, the GTX 1080, by boasting 25.2 % more fps.
Fortunately, gaming performance was quite impressive. The RTX 2080 consistently delivers great frame rate increases over the GTX 1080, NVIDIA GeForce GTX 1080 Ti and it really justifies an upgrade. For 1080p Full HD, we were able to play Halo Infinite, Star Wars Jedi: Survivor, Atomic Heart, Assassin's Creed Valhalla, Cyberpunk 2077 at 61 fps to 64 fps and kept frame rates hovering around 62 fps.
For 1440p Quad HD, we were able to play Total War: Warhammer III, Borderlands 3, Elden Ring, Call of Duty: Modern Warfare II, God of War at 61 fps to 67 fps and kept frame rates hovering around 64 fps. For 2160p 4K, we were able to play Resident Evil 4, F1 2019, World War Z, Call of Duty: Black Ops 4, Battlefield V at 61 fps to 67 fps and kept frame rates hovering around 64 fps.
| RX 6800 XT | RTX 2080 | |
|---|---|---|
| Board Number | - | PG180 SKU 0 |
| Length | 267 mm 10.5 inches | 10.5 inches 267 mm |
| Outputs | 1x HDMI 2x DisplayPort 1x USB Type-C | 1x HDMI3x DisplayPort1x USB Type-C |
| Power Connectors | 2x 8-pin | 1x 6-pin + 1x 8-pin |
| Slot Width | Triple-slot | Dual-slot |
| TDP | 300 W | 215 W |
| RX 6800 XT | RTX 2080 | |
|---|---|---|
| Boost Clock | 2250 MHz | 1710 MHz |
| GPU Clock | 2015 MHz | 1515 MHz |
| Memory Clock | 2000 MHz 16 Gbps effective | 1750 MHz 14000 MHz effective |
| RX 6800 XT | RTX 2080 | |
|---|---|---|
| Bus Interface | PCIe 4.0 x16 | PCIe 3.0 x16 |
| Generation | Navi II | GeForce 2000 |
| Launch Price | 649 USD | 699 USD |
| Production | Active | Active |
| Release Date | Nov 18th, 2020 | Sep 20th, 2018 |
| RX 6800 XT | RTX 2080 | |
|---|---|---|
| DirectX | 12 Ultimate (12_2) | 12.0 (12_1) |
| OpenCL | 2 | 1.2 |
| OpenGL | 4.6 | 4.6 |
| Shader Model | 6.5 | 6.1 |
| Vulkan | 1.2 | 1.1.82 |
| RX 6800 XT | RTX 2080 | |
|---|---|---|
| Architecture | RDNA 2.0 | Turing |
| Die Size | 536 mm² | 545 mm² |
| GPU Name | Navi 21 | TU104 |
| GPU Variant | Navi 21 XL | TU104-400-A1 |
| Process Size | 7 nm | 12 nm |
| Transistors | 26,800 million | 13,600 million |
| RX 6800 XT | RTX 2080 | |
|---|---|---|
| Bandwidth | 512.0 GB/s | 448.0 GB/s |
| Memory Bus | 256 bit | 256 bit |
| Memory Size | 16384 MB | 8192 MB |
| Memory Type | GDDR6 | GDDR6 |
| RX 6800 XT | RTX 2080 | |
|---|---|---|
| ROPs | 128 | 64 |
| Shading Units | 4608 | 2944 |
| TMUs | 288 | 184 |
| RX 6800 XT | RTX 2080 | |
|---|---|---|
| FP16 (half) performance | 41.47 TFLOPS (2:1) | 20,137 GFLOPS (2:1) |
| FP32 (float) performance | 20.74 TFLOPS | 10,068 GFLOPS |
| FP64 (double) performance | 1,296 GFLOPS (1:16) | 314.6 GFLOPS (1:32) |
| Pixel Rate | 288.0 GPixel/s | 109.4 GPixel/s |
| Texture Rate | 648.0 GTexel/s | 314.6 GTexel/s |
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