NVIDIA GeForce RTX 4080 vs NVIDIA RTX A2000 Comparison

The data presents a clear hierarchy: the NVIDIA GeForce RTX 4080 is in a different performance class entirely compared to the NVIDIA RTX A2000. The RTX 4080 wins all three head-to-head benchmark tests decisively, with margins ranging from 217% to 388%. However, a narrow look at win counts misses the point of these two very different cards. The GeForce RTX 4080 is a high-end enthusiast part aimed at maximum frame rates, while the RTX A2000 is a low-profile, low-power workstation card built for professional environments where space and power efficiency are paramount. The benchmark results quantify the raw performance gap, but the architectural and physical differences explain why both products exist in the market.

Where Each One Wins

The RTX 4080 wins everywhere performance is measured. In the 3DMark Steel Nomad DX12 test, it scores 6567 against the A2000's 1345, a 388.3% lead. This is a synthetic but representative test of modern DirectX 12 gaming and rendering loads. In compute workloads, the story is the same: the RTX 4080 scores 214739 in Geekbench OpenCL versus 67695 for the A2000, and 263779 in Geekbench Vulkan versus 69089. These are not close contests; the RTX 4080 dominates across every available metric.

The A2000 does not win any benchmark in the data. Its strengths are not in raw scores but in its physical and electrical characteristics. It is a dual-slot card with a length of 167 mm (6.6 inches) and a height of 69 mm (2.7 inches), consumes just 70 W, and requires no power connectors. The RTX 4080 is a triple-slot card measuring 310 mm (12.2 inches) long, with a 320 W TDP and a single 16-pin connector. For a compact workstation or a system with strict power budgets, the A2000 is the only viable choice despite its drastically lower performance. The data shows that the A2000 trades performance for a form factor and power envelope that the RTX 4080 cannot match.

Architecture Differences

The two cards are built on different architectures and manufacturing processes. The RTX 4080 uses the AD103 chip based on the Ada Lovelace architecture, fabricated on a 5 nm process at TSMC. It contains 45,900 million transistors on a 379 mm² die, resulting in a transistor density of 121.1M per mm². The RTX A2000 uses the GA106 chip based on the older Ampere architecture, built on an 8 nm process at Samsung. It has 12,000 million transistors on a 276 mm² die, with a density of 43.5M per mm². This process and architecture gap is fundamental: the RTX 4080's newer, denser process allows for significantly more compute resources in a similar physical footprint.

Core resources differ massively. The RTX 4080 has 9728 shading units, 304 TMUs, and 112 ROPs, while the A2000 has 3328 shading units, 104 TMUs, and 48 ROPs. The RTX 4080 also has 76 RT cores and 304 tensor cores, compared to 26 RT cores and 104 tensor cores on the A2000. Clock speeds tell another story of the architectural divergence: the RTX 4080 has a base clock of 2205 MHz and a boost of 2505 MHz, while the A2000 has a very low base of 562 MHz and a boost of just 1200 MHz — a design choice to keep power draw minimal. Memory configurations are also entirely different: the RTX 4080 uses 16 GB of GDDR6X on a 256-bit bus for 716.8 GB/s bandwidth, while the A2000 uses 6 GB of GDDR6 on a 192-bit bus for 288.0 GB/s.

Head-to-Head Benchmarks

The largest single win for the RTX 4080 is in 3DMark Steel Nomad DX12, where it outperforms the A2000 by 388.3%. This test stresses overall GPU throughput in a modern API, and the result reflects the massive gap in shading units, ROPs, and memory bandwidth. The RTX 4080's 6567 score versus 1345 is not an incremental improvement; it is a generational leap in raw graphics horsepower.

In Geekbench Vulkan, the RTX 4080 scores 263779 against 69089, a 281.8% advantage. Vulkan is often used in professional visualization and some game engines, and the result mirrors the architectural resource disparity. The RTX 4080's 76 RT cores and 304 tensor cores accelerate these workloads far beyond what the A2000's 26 RT cores and 104 tensor cores can manage.

The smallest margin of victory for the RTX 4080 is in Geekbench OpenCL, where it leads by 217.2% with a score of 214739 versus 67695. OpenCL is a common compute API in professional applications, and while the RTX 4080 still wins decisively, the relative gap is narrower than in graphics-specific tests. This suggests the A2000's compute efficiency per watt is relatively better than its graphics throughput, though absolute performance remains far lower. Across all three tests, the RTX 4080's average benchmark score is 54247, while the A2000's is 46043 — a difference driven by the A2000 having fewer benchmark data points but still reflecting its lower standing.

FAQ

Q: How much faster is the RTX 4080 in gaming workloads?

A: In the 3DMark Steel Nomad DX12 test, the RTX 4080 scores 6567 versus the A2000's 1345, a 388.3% lead. This is the only gaming-oriented benchmark in the data, and it shows the RTX 4080 is nearly four times faster.

Q: Can the RTX A2000 be used in a small form factor PC?

A: Yes. The A2000 is a dual-slot card measuring 167 mm (6.6 inches) in length and 69 mm (2.7 inches) in height, with no power connectors required. It has a 70 W TDP and a suggested PSU of 250 W, making it suitable for compact builds.

Q: Which card has more memory and bandwidth?

A: The RTX 4080 has 16 GB of GDDR6X on a 256-bit bus, providing 716.8 GB/s of bandwidth. The A2000 has 6 GB of GDDR6 on a 192-bit bus, providing 288.0 GB/s.

Q: Are both cards compatible with the same APIs?

A: Yes. Both support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The RTX 4080 was released in 2022-09-19, while the A2000 was released earlier on 2021-08-09.

Q: What is the performance percentile of each card?

A: The RTX 4080 sits in the 86th percentile of all GPUs, while the A2000 is in the 85th percentile. Despite the massive performance gap, both are in the top tier due to the wide range of GPUs in the database.

Q: Does the A2000 have any advantages in compute performance?

A: The data does not show any. The RTX 4080 leads by 217.2% in Geekbench OpenCL and 281.8% in Geekbench Vulkan. The A2000's advantages are limited to its physical size and power consumption.

The Verdict

The choice between these two cards is not about performance — the RTX 4080 wins all three head-to-head benchmarks by margins of 217% to 388%. The decision hinges on physical constraints and power budgets. If the system can accommodate a 310 mm triple-slot card with a 320 W TDP and a 700 W suggested PSU, the RTX 4080 is categorically superior in every measurable way. Its 16 GB of memory and 716.8 GB/s bandwidth make it suitable for heavy rendering and large datasets, and its 86th percentile standing reflects its high-end positioning.

The RTX A2000 is for a different use case entirely. Its 70 W TDP, lack of power connectors, and 167 mm length make it ideal for dense workstations, silent builds, or systems with limited power delivery. It is not a gaming card by any reasonable interpretation of the benchmark data — its 3DMark score is below what many integrated solutions would manage. However, its 85th percentile ranking shows it holds its own among all GPUs, likely due to its compute efficiency relative to its power draw. For a professional who needs moderate CUDA acceleration in a constrained chassis, the A2000 is the only option here. For anyone else, the RTX 4080 is the clear choice based on raw data.

Specification Differences

| Specification | NVIDIA GeForce RTX 4080 | NVIDIA RTX A2000 |

|---|---|---|

| Architecture | Ada Lovelace | Ampere |

| Chip | AD103 | GA106 |

| Process Node | 5 nm (TSMC) | 8 nm (Samsung) |

| Transistors | 45,900 million | 12,000 million |

| Die Size | 379 mm² | 276 mm² |

| Base Clock | 2205 MHz | 562 MHz |

| Boost Clock | 2505 MHz | 1200 MHz |

| Memory Size | 16 GB | 6 GB |

| Memory Type | GDDR6X | GDDR6 |

| Memory Bus | 256 bit | 192 bit |

| Memory Bandwidth | 716.8 GB/s | 288.0 GB/s |

| Shading Units | 9728 | 3328 |

| TMUs | 304 | 104 |

| ROPs | 112 | 48 |

| RT Cores | 76 | 26 |

| Tensor Cores | 304 | 104 |

| FP32 Performance | 48.74 TFLOPS | 7.987 TFLOPS |

| TDP | 320 W | 70 W |

| Slot Width | Triple-slot | Dual-slot |

| Power Connectors | 1x 16-pin | None |

| Suggested PSU | 700 W | 250 W |

| Display Outputs | 1x HDMI 2.1, 3x DisplayPort 1.4a | 4x mini-DisplayPort 1.4a |

| Length | 310 mm (12.2 inches) | 167 mm (6.6 inches) |

| Height | 140 mm (5.5 inches) | 69 mm (2.7 inches) |

| Release Date | 2022-09-19 | 2021-08-09 |

| Launch MSRP | 1,199 USD | 449 USD |