NVIDIA GeForce RTX 5080 vs NVIDIA RTX A6000 Comparison

Where Each One Wins

The recorded benchmark splits are decisively one-sided. The NVIDIA GeForce RTX 5080 wins all nine head-to-head tests in the database, while the NVIDIA RTX A6000 does not record a single victory. This is not a case of subtle trade-offs; it is a clean sweep across every measured category, from DirectX 9 legacy workloads to modern Vulkan and OpenCL compute tests.

Looking at the specific domains, the RTX 5080 shows its largest margins in the DirectX 12 test, where it scores 151 against the A6000's 87, a 73.6% advantage. That is the single biggest delta in the entire comparison. The DirectX 11 result is nearly as lopsided: 324 versus 191, a 69.6% gap. These are the workloads that matter most for contemporary gaming and real-time graphics, and the data leaves no ambiguity about which card dominates there.

For compute-oriented tasks, the picture remains consistent. In Geekbench OpenCL, the RTX 5080 posts 235,901 points versus 193,937 for the A6000, a 21.6% lead. The Vulkan gap is even wider: 255,450 versus 164,462, a 55.3% margin. The Passmark GPU compute test shows 21,789 versus 14,110, a 54.4% advantage. The RTX 5080's compute throughput is not merely higher, it is substantially higher across every API tested.

The legacy DirectX tests follow the same pattern. DirectX 10 gives the RTX 5080 a 34.2% win (208 versus 155), DirectX 9 shows a 58.8% margin (389 versus 245), and the 2D graphics test records a 55% delta (1,415 versus 913). Even in the overall Passmark G3D score, the RTX 5080's 36,565 dwarfs the A6000's 22,577, a 62% difference.

The average benchmark score reinforces the trend: the RTX 5080 sits at 56,083 while the A6000 lands at 44,075. The percentile rankings also differ, with the RTX 5080 at the 87th percentile of all GPUs and the A6000 at the 84th. While both are high performers in absolute terms, the RTX 5080 occupies a clearly higher tier in the database's aggregate measurements.

The Verdict

The choice between these two cards depends entirely on what a buyer prioritizes, and the data provides a straightforward answer for each scenario. For anyone whose workload is dominated by raw performance in graphics, compute, or mixed DirectX workloads, the RTX 5080 is the unambiguous pick. It wins every single benchmark in the head-to-head comparison, and the margins range from a solid 21.6% to an enormous 73.6%. There is no recorded scenario where the A6000 comes out ahead.

The RTX A6000's case rests on a completely different pillar: memory capacity. It offers 48 GB of GDDR6, triple the 16 GB found on the RTX 5080. For workloads that need to hold very large datasets, models, or render scenes entirely in VRAM, the A6000's 48 GB is the only meaningful advantage in the entire comparison. The RTX 5080's 16 GB may be sufficient for many tasks, but it cannot match that capacity headroom.

The architecture timeline also matters. The RTX 5080 is built on Blackwell 2.0 with a 5 nm process, while the A6000 uses Ampere on an 8 nm node. The RTX 5080 is an active, current product with a successor already planned, while the A6000 is end-of-life. Buyers looking for longevity and modern feature support will naturally gravitate to the newer part, though the database does not explicitly quantify driver or software support beyond what is listed.

In practical terms, the RTX 5080 is the performance pick for gaming, real-time rendering, and compute tasks where memory capacity below 48 GB is acceptable. The RTX A6000 is the pick for professionals who need the 48 GB frame buffer more than they need the RTX 5080's raw speed. The data shows no middle ground: performance favors the RTX 5080 completely, and capacity favors the A6000 by a factor of three.

Head-to-Head Benchmarks

The largest single win for the RTX 5080 comes in Passmark DirectX 12, where it scores 151 against the A6000's 87. That 73.6% delta is the clearest expression of the architectural gap between Blackwell 2.0 and Ampere in modern API workloads. The DirectX 11 test follows with a 69.6% margin, 324 versus 191, showing that the advantage is not limited to the newest API but extends to the previous generation as well.

The Vulkan test is another standout. The RTX 5080's 255,450 score versus 164,462 for the A6000 represents a 55.3% lead. Vulkan is increasingly important for cross-platform and low-overhead rendering, and the RTX 5080 holds a commanding edge there. The OpenCL gap is narrower at 21.6% (235,901 versus 193,937), but it is still a decisive win for the newer card.

The Passmark G3D overall score shows a 62% advantage, 36,565 versus 22,577. This aggregates many sub-tests into a single number, and the magnitude of the delta confirms that the RTX 5080's superiority is not confined to one specific benchmark. The GPU compute test shows a 54.4% margin, 21,789 versus 14,110, which aligns closely with the Vulkan and DirectX results.

Even the older APIs tell the same story. DirectX 9 gives the RTX 5080 a 58.8% win (389 versus 245), DirectX 10 shows 34.2% (208 versus 155), and the 2D test records 55% (1,415 versus 913). None of these are close calls. The smallest delta across all nine tests is the OpenCL result at 21.6%, and even that is a substantial margin.

The RTX A6000's closest relative in the database, the GeForce RTX 4070 Ti, scores 44,795 on average, only 1.6% ahead of the A6000's 44,075. By contrast, the RTX 5080's nearest rival, the AMD Radeon RX 9070 GRE, scores 57,367, which is 2.2% ahead of the RTX 5080's 56,083. This context shows that both cards sit near the top of their respective performance tiers, but the RTX 5080 occupies a higher absolute level.

FAQ

Q: Which card has a higher overall average benchmark score?

A: The RTX 5080 records an average benchmark score of 56,083, while the RTX A6000 sits at 44,075, a difference of roughly 27%.

Q: How much faster is the RTX 5080 in DirectX 12?

A: The RTX 5080 scores 151 versus 87 for the A6000, a 73.6% advantage, which is the largest margin in the entire head-to-head set.

Q: Does the RTX A6000 win any benchmark in the comparison?

A: No. The RTX 5080 wins all nine recorded head-to-head tests, with no wins recorded for the A6000.

Q: What is the memory capacity difference?

A: The RTX A6000 has 48 GB of GDDR6, while the RTX 5080 has 16 GB of GDDR7. The A6000 offers three times the capacity.

Q: Which card has a higher pixel rate?

A: The RTX 5080 records 293.1 GPixel/s, while the RTX A6000 records 201.6 GPixel/s, giving the RTX 5080 a clear advantage in rasterization throughput.

Q: How do the FP32 compute figures compare?

A: The RTX 5080 delivers 56.28 TFLOPS, while the RTX A6000 delivers 38.71 TFLOPS, a gap of about 45% in favor of the RTX 5080.

Architecture Differences

The two cards come from different NVIDIA generations and are built on different architectures. The RTX 5080 uses the GB203 chip with Blackwell 2.0 architecture, fabricated on a 5 nm process at TSMC. The RTX A6000 uses the GA102 chip with Ampere architecture, fabricated on an 8 nm process at Samsung. The process node difference is significant: 5 nm versus 8 nm, which directly affects transistor density and power efficiency.

Transistor counts reflect this gap. The RTX 5080 packs 45,600 million transistors on a 378 mm² die, yielding a density of 120.6 million transistors per square millimeter. The RTX A6000 has 28,300 million transistors on a larger 628 mm² die, giving a density of only 45.1 million per square millimeter. The RTX 5080 achieves more than double the transistor density despite a smaller physical footprint.

Both cards share identical counts in several key areas: 10,752 shading units, 336 TMUs, 112 ROPs, 84 RT cores, and 336 tensor cores. The architectural efficiency differs, though, because the RTX 5080 reaches much higher clock speeds. Its base clock is 2,295 MHz and boost clock is 2,617 MHz, while the A6000 operates at 1,410 MHz base and 1,800 MHz boost. Higher clocks on the same core count translate directly into the performance advantage seen in benchmarks.

The memory architectures also differ substantially. The RTX 5080 uses 16 GB of GDDR7 on a 256-bit bus, achieving 960.0 GB/s of bandwidth. The A6000 uses 48 GB of GDDR6 on a 384-bit bus, achieving 768.0 GB/s. The RTX 5080 has higher bandwidth despite a narrower bus, thanks to faster memory technology. The A6000 counters with three times the capacity, which is its primary architectural strength.

The bus interface differs as well: the RTX 5080 uses PCIe 5.0 x16, while the A6000 uses PCIe 4.0 x16. Display outputs also diverge, with the RTX 5080 offering one HDMI 2.1b and three DisplayPort 2.1b connections, while the A6000 provides four DisplayPort 1.4a outputs. Both support DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4, so API coverage is identical.

Specification Differences

The RTX 5080 has a base clock of 2,295 MHz and a boost clock of 2,617 MHz, compared to 1,410 MHz base and 1,800 MHz boost for the A6000. The RTX 5080's memory runs at 1,875 MHz (30 Gbps effective), while the A6000's memory runs at 2,000 MHz (16 Gbps effective). Memory size is 16 GB GDDR7 versus 48 GB GDDR6, with bus widths of 256-bit versus 384-bit. Bandwidth comes to 960.0 GB/s for the RTX 5080 and 768.0 GB/s for the A6000.

Pixel rate is 293.1 GPixel/s for the RTX 5080 versus 201.6 GPixel/s for the A6000. Texture rate is 879.3 GTexel/s versus 604.8 GTexel/s. FP32 and FP16 performance both show 56.28 TFLOPS for the RTX 5080 and 38.71 TFLOPS for the A6000. The TDP is 360 W for the RTX 5080 and 300 W for the A6000, with suggested power supplies of 750 W and 700 W respectively.

Power connectors differ, with the RTX 5080 using a single 16-pin connector and the A6000 using an 8-pin EPS connector. Physical dimensions vary as well: the RTX 5080 measures 304 mm by 137 mm by 40 mm, while the A6000 measures 267 mm by 112 mm with no width recorded. Both are dual-slot cards.

The production status is active for the RTX 5080 and end-of-life for the A6000. Release dates are January 29, 2025 for the RTX 5080 and October 4, 2020 for the A6000. The RTX 5080's launch MSRP is 999 USD, while the A6000's launch MSRP is 4,649 USD. The RTX 5080 succeeds the GeForce 40 series and precedes the GeForce 60 series, while the A6000 succeeds Quadro Turing and precedes Workstation Ada.