NVIDIA RTX A1000 vs NVIDIA RTX A2000 Comparison

NVIDIA RTX A2000 vs. NVIDIA RTX A1000: both are Ampere-generation workstation cards, but they are positioned differently in the lineup. The A2000 is the older, larger, end-of-life option, while the A1000 is the newer, smaller, still-active entry point. The benchmark data shows a clear performance hierarchy, but the decision is not just about raw speed; power, memory capacity, and physical size play major roles. Here is how the recorded measurements break down.

Head-to-Head Benchmarks

The RTX A2000 wins every recorded benchmark in this comparison, and the margins are substantial. In 3DMark Steel Nomad (DX12), the A2000 scores 1345 points against 969 points for the A1000, a lead of 38.8%. That is not a marginal gap; it is a full performance class difference in a modern DirectX 12 workload.

The compute-oriented results follow the same pattern. In Geekbench OpenCL, the A2000 posts 67695 points versus 52078 points for the A1000, a 30% advantage. The Vulkan result is even more lopsided: the A2000 scores 69089, while the A1000 manages 49574, giving the A2000 a 39.4% lead. Across all three tests, the A2000 wins 3 out of 3, with no recorded wins for the A1000.

Context from the database makes these numbers more meaningful. The A2000 sits at the 85th percentile of all GPUs, with an average benchmark score of 46043. Its nearest rivals include the NVIDIA RTX 5880 Ada Generation (45972, only 0.2% lower) and the Intel Arc A730M (45592, 1% lower). The A1000, by contrast, sits at the 79th percentile with an average score of 34207. Its closest competitor is the NVIDIA RTX A2000 12 GB (34154, 0.2% lower), which is a larger-memory version of the same chip family. In practical terms, the A2000 is competing with much stronger hardware, while the A1000 is clustered with older mainstream cards like the AMD Radeon RX 560 XT (34133) and the NVIDIA TITAN V (34355).

The performance gap is directly visible in the raw specifications that drive these results. The A2000 has 3328 shading units, 104 texture mapping units, and 48 ROPs, versus 2304 shading units, 72 TMUs, and 32 ROPs on the A1000. The A2000 also carries more ray tracing cores (26 vs. 18) and more tensor cores (104 vs. 72). These are not small differences; the A2000 simply has more of every compute resource.

Architecture Differences

Both cards are built on the same Ampere architecture and use the same 8 nm Samsung process node, with an identical transistor density of 43.5 million transistors per mm². The similarity ends there. The A2000 uses the GA106 chip, which contains 12,000 million transistors on a 276 mm² die. The A1000 uses the smaller GA107 chip, with 8,700 million transistors on a 200 mm² die. That is a 3,300 million transistor difference and a 76 mm² die size difference, which explains why the A1000 consumes less power and fits in a smaller physical envelope.

Clock behavior is interesting in this comparison. The A1000 runs at higher clocks: 727 MHz base and 1462 MHz boost, versus 562 MHz base and 1200 MHz boost on the A2000. Despite that clock advantage, the A1000 still loses by 30% to 39.4% in every benchmark because the A2000 has so many more execution units. The A2000's FP32 throughput is 7.987 TFLOPS, while the A1000 achieves 6.737 TFLOPS. Both have 1:1 FP16 ratios, so the FP16 numbers match their FP32 numbers exactly.

Memory architecture also differs. The A2000 uses a 192-bit memory bus with 6 GB of GDDR6 and 288.0 GB/s of bandwidth. The A1000 uses a 128-bit bus with 8 GB of GDDR6 and 192.0 GB/s of bandwidth. Both run memory at 1500 MHz, 12 Gbps effective, and the database lists identical API support on both cards: DirectX 12 Ultimate (12_2), OpenGL 4.6, Vulkan 1.4. Both have 4x mini-DisplayPort 1.4a outputs.

Feature sets otherwise match: same generation (Workstation Ampere Ax000), same predecessor (Quadro Turing, same successor Workstation Ada), same foundry, same bus generation. Production status diverges strongly in lifecycle: the A2000 is end-of-life, the A1000 is active. The A2000 launched in 2021-08-09, and the A1000 came later on 2024-04-15.

FAQ

Q: Which card is faster in ray tracing?

The A2000. The A2000 has 26 RT cores versus 18 on the A1000. The 3DMark Steel Nomad DX12 result, which exercises these features, shows the A2000 leading by 38.8%.

Q: Does the A1000 have an advantage in memory capacity?

Yes. The A1000 has 8 GB of GDDR6, which is 2 GB more than the A2000's 6 GB. The A2000 compensates with a wider 192-bit bus and 288.0 GB/s bandwidth versus 192.0 GB/s.

Q: Are the two cards the same size physically?

No. The A2000 is a dual-slot card measuring 167 mm long and 69 mm tall. The A1000 is a single-slot card measuring 163 mm long and 69 mm tall. Neither requires a power connector, and both list a 250 W suggested PSU requirement.

Q: Why is the A1000's power draw lower?

The A1000 is rated at 50 W, which is 20 W less than the A2000. Its smaller chip (8,700 million transistors on 200 mm²) does the work at lower clocks than the A2000's larger die (12,000 million transistors on 276 mm²).

Q: Which card supports the same APIs?

Both support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The A2000 also lists PCIe 4.0 x16 and the A1000 lists PCIe 4.0 x8. Both are Ampere generation parts on the 8 nm Samsung process node.

Q: Which card has more tensor cores, and what does that do to the AI workload scores?

The A2000 has 104 tensor cores versus 72 on the A1000. In Geekbench OpenCL, which is a compute test that can leverage tensor hardware, the A2000 leads by 30%.

Specification Differences

• Chip: GA106 (A2000) vs. GA107 (A1000)
• Transistors: 12,000 million (A2000) vs. 8,700 million (A1000) on 276 mm² (A2000) vs. 200 mm² (A1000)
• Clocks: 562 MHz base / 1200 MHz boost (A2000( vs. 727 MHz base / 1462 MHz boost (A1000( same 1500 MHz memory clock
• Memory: 6 GB (A2000) vs. 8 GB (A1000), 192-bit bus (A2000) vs. 128-bit bus (A1000), 288.0 GB/s (A2000) vs. 192.0 GB/s (A1000)
• Shading units: 3328 (A2000) vs. 2304 (A1000)
• TMUs: 104 (A2000) vs. 72 (A1000)
• ROPs: 48 (A2000) vs. 32 (A1000)
• RT cores: 26 (A2000) vs. 18 (A1000)
• Tensor cores: 104 (A2000) vs. 72 (A1000)
• Pixel rate: 57.60 GPixel/s (A2000) vs. 46.78 GPixel/s (A1000)
• Texture rate: 124.8 GTexel/s (A2000) vs. 105.3 GTexel/s (A1000)
• FP32 / FP16: 7.987 TFLOPS (A2000) vs. 6.737 TFLOPS (A1000)
• TDP: 70 W (A2000) vs. 50 W (A1000)
• Slot width: dual-slot (A2000) vs. single-slot (A1000)
• Bus interface: PCIe 4.0 x16 (A2000) vs. PCIe 4.0 x8 (A1000)
• Dimensions: 167 mm (A2000) vs. 163 mm (A1000) length, same 69 mm height
• Production status: end-of-life (A2000) vs. active (A1000)
• Release date: 2021-08-09 (A2000) vs. 2024-04-15 (A1000)
• Launch MSRP: 449 USD (A2000), not listed for A1000

Where Each One Wins

The A2000 wins everywhere it matters for raw performance. It is 38.8% ahead in 3DMark Steel Nomad, 30% ahead in OpenCL, and 39.4% ahead in Vulkan. It also has more bandwidth (288.0 GB/s vs. 192.0 GB/s), more texture rate (124.8 GTexel/s vs. 105.3 GTexel/s), more pixel rate (57.60 GPixel/s vs. 46.78 GPixel/s), and more compute (7.987 TFLOPS vs. 6.737 TFLOPS). It wins all 3 head-to-head tests.

The A1000 has its own advantages, though they are not benchmark wins. It has 2 GB more memory, which can matter for large datasets that fit within 8 GB but not 6 GB. It is a single-slot card, versus dual-slot for the A2000, so it fits in tighter chassis. It draws 20 W less (50 W vs. 70 W). It runs at higher clocks (1462 MHz boost vs. 1200 MHz boost). It is still in active production, while the A2000 is end-of-life. The A1000's nearest rivals include the RTX A2000 12 GB at a 0.2% difference, meaning the A1000 is essentially equivalent in average score to that larger-memory variant of the A2000 family. Its percentile is lower at 79, but it holds its own against older high-end cards like the TITAN V.

The Verdict

Choose the RTX A2000 if you need the fastest possible performance in this comparison. The data is unambiguous: it wins every benchmark by 30% to 39.4%, has more cores, more bandwidth, and higher throughput in every measured category. It is the card for 3D rendering, GPU compute, or any workload where the extra 20 W of power draw is irrelevant. The 6 GB memory might be a limitation for very large models, but the 288.0 GB/s bandwidth and 7.987 TFLOPS of compute make it the stronger compute device.

Choose the RTX A1000 if you need a lower-power, single-slot card with more memory. Its 8 GB frame buffer is 2 GB larger, and its 50 W TDP means it is easier to cool and place in dense systems. It is also the only one of the two that is still in active production. You give up roughly 30% to 39% of the performance in exchange for those physical and capacity advantages. For a workstation that must run quietly or fit into a small chassis, the A1000 is the practical pick. For pure horsepower, the A2000 is the clear winner in this head-to-head.