AMD Radeon RX 7900 GRE vs NVIDIA RTX A2000 12 GB Comparison

The AMD Radeon RX 7900 GRE is the clear performance victor in this comparison, decisively winning both available benchmark tests against the NVIDIA RTX A2000 12 GB. However, the data suggests these are cards with fundamentally different design goals: the RTX A2000 is a low-profile, low-power workstation solution that trades raw speed for efficiency, while the RX 7900 GRE is a high-performance desktop part built for maximum throughput. The RTX A2000 sits at the 79th percentile of all GPUs, while the RX 7900 GRE is at the 77th, but that percentile gap is misleading—the AMD card's average benchmark score of 32456 is actually lower than the NVIDIA card's 34154, a quirk driven by the RX 7900 GRE's inclusion of several low-score DirectX 9 and 10 tests that drag down its aggregate. For raw performance in modern workloads, the RX 7900 GRE is the obvious choice, but the RTX A2000's purpose-built efficiency characteristics make it suitable for specific constrained environments.

The Verdict

Pick the AMD Radeon RX 7900 GRE if your priority is maximum compute and rendering throughput in a desktop system. Its 3DMark Steel Nomad DX12 score of 4814 is 267.6% higher than the RTX A2000's 1309, and its Geekbench OpenCL score of 175758 is 162.3% higher than the NVIDIA card's 66998. The RX 7900 GRE also offers 16 GB of memory versus 12 GB, a 256-bit bus versus 192-bit, and nearly double the memory bandwidth (576.0 GB/s vs 288.0 GB/s). This card is actively in production and targets the Radeon RX 7000 series desktop market.

Pick the NVIDIA RTX A2000 12 GB if your use case demands minimal power draw and physical footprint. Its 70 W TDP is dramatically lower than the RX 7900 GRE's 260 W, it requires no power connectors (the AMD card needs 2x 8-pin), and its 167 mm length is considerably shorter than the RX 7900 GRE's 276 mm. The A2000 is an end-of-life workstation product with a 250 W suggested PSU versus 600 W for the AMD card. While it loses every benchmark in this comparison, its efficiency profile and compact dual-slot design make it viable for small form factor or dense workstation builds where power and space are at a premium.

The data does not support choosing the RTX A2000 for performance. Its average benchmark score of 34154 edges out the RX 7900 GRE's 32456, but that is solely because the AMD card includes legacy DirectX 9 and 10 tests (scores of 310 and 139 respectively) that drag its average down. In every modern, relevant benchmark, the RX 7900 GRE wins by a wide margin.

Where Each One Wins

The RX 7900 GRE wins in every meaningful performance category. In 3DMark Steel Nomad DX12, a modern gaming and graphics workload, it scores 4814 versus the A2000's 1309, a 72.8% advantage. In Geekbench OpenCL, which measures general-purpose compute, it scores 175758 versus 66998, a 61.9% lead. It also has superior specifications across the board: 5120 shading units versus 3328, 320 TMUs versus 104, 160 ROPs versus 48, and 80 ray tracing cores versus 26. Its FP32 throughput of 45.98 TFLOPS is nearly six times the A2000's 7.987 TFLOPS. The RX 7900 GRE also offers higher pixel rate (359.2 GPixel/s vs 57.60 GPixel/s) and texture rate (718.4 GTexel/s vs 124.8 GTexel/s).

The RTX A2000 wins only in efficiency and physical characteristics. It has a 70 W TDP versus 260 W, a 250 W suggested PSU versus 600 W, and no power connectors versus 2x 8-pin. It is 167 mm long versus 276 mm, and 69 mm tall versus 110 mm. The A2000 also has a higher transistor density at 43.5M / mm² compared to the RX 7900 GRE's 109.1M / mm²—wait, that is incorrect; the AMD card actually has higher density. The A2000's density is lower due to its larger 8 nm process node versus AMD's 5 nm node. The NVIDIA card does have a lower absolute transistor count (12,000 million vs 57,700 million) and smaller die size (276 mm² vs 529 mm²), which contributes to its lower power requirements.

Architecture Differences

The two cards come from completely different architectural lineages. The RTX A2000 uses the GA106 chip built on Ampere architecture, manufactured on Samsung's 8 nm process. It packs 12,000 million transistors on a 276 mm² die, yielding a transistor density of 43.5M / mm². Ampere is NVIDIA's workstation-generation architecture, featuring 26 ray tracing cores and 104 tensor cores, with FP16 performance at a 1:1 ratio with FP32 (both 7.987 TFLOPS). It supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, with display output limited to 4x mini-DisplayPort 1.4a.

The RX 7900 GRE uses the Navi 31 chip on RDNA 3.0 architecture, manufactured by TSMC on a 5 nm process. It contains 57,700 million transistors on a 529 mm² die, with a density of 109.1M / mm²—more than double the A2000's density. RDNA 3.0 is AMD's latest gaming architecture (codenamed "Plum Bonito"), featuring 80 ray tracing cores and no tensor cores (AMD relies on shader-based AI). Its FP16 performance is 91.96 TFLOPS at a 2:1 ratio with FP32, meaning it can do twice the FP16 work per clock. It supports the same DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4 APIs, but offers more modern display outputs: 1x HDMI 2.1a, 2x DisplayPort 2.1, and 1x USB Type-C.

Memory architecture also differs significantly. The A2000 uses 12 GB of GDDR6 on a 192-bit bus with 288.0 GB/s bandwidth and 1500 MHz memory clock (12 Gbps effective). The RX 7900 GRE uses 16 GB of GDDR6 on a 256-bit bus with 576.0 GB/s bandwidth—exactly double—and a 2250 MHz memory clock (18 Gbps effective). The RX 7900 GRE's game clock is 1880 MHz with a boost of 2245 MHz, while the A2000 has a base of 562 MHz and boost of 1200 MHz, reflecting the AMD card's much higher operating frequency.

FAQ

Q: Which card has better raw compute performance?

A: The AMD Radeon RX 7900 GRE. Its FP32 throughput is 45.98 TFLOPS versus 7.987 TFLOPS for the RTX A2000. In Geekbench OpenCL, the RX 7900 GRE scores 175758 versus 66998, a 61.9% advantage.

Q: Is the RTX A2000 more power efficient?

A: Yes, dramatically. The A2000 has a 70 W TDP versus 260 W for the RX 7900 GRE. The NVIDIA card requires no power connectors and a 250 W suggested PSU, while the AMD card needs 2x 8-pin connectors and a 600 W suggested PSU.

Q: Which card has more memory?

A: The RX 7900 GRE has 16 GB of GDDR6 on a 256-bit bus with 576.0 GB/s bandwidth. The RTX A2000 has 12 GB of GDDR6 on a 192-bit bus with 288.0 GB/s bandwidth.

Q: What is the performance difference in 3DMark Steel Nomad DX12?

A: The RX 7900 GRE scores 4814, which is 72.8% higher than the RTX A2000's 1309. This is the largest relative performance gap in the head-to-head benchmarks.

Q: Are these cards from the same generation?

A: No. The RTX A2000 is from the Workstation Ampere (Ax000) generation, released on 2021-11-22, and is now end-of-life. The RX 7900 GRE is from the Navi III (RX 7000) generation, released on 2023-07-26, and is still active in production.

Q: Which card has better display output options?

A: The RX 7900 GRE offers more modern connectivity with 1x HDMI 2.1a, 2x DisplayPort 2.1, and 1x USB Type-C. The RTX A2000 has 4x mini-DisplayPort 1.4a, which is older technology but provides four simultaneous display outputs.

Head-to-Head Benchmarks

The head-to-head data shows a complete sweep for the AMD Radeon RX 7900 GRE, with the NVIDIA RTX A2000 failing to win a single test. The two benchmarks available are 3DMark Steel Nomad DX12 and Geekbench OpenCL, and the AMD card wins both by substantial margins.

In 3DMark Steel Nomad DX12, the RX 7900 GRE scores 4814 against the A2000's 1309. This represents a 72.8% delta, meaning the AMD card delivers more than 3.6 times the performance of the NVIDIA card in this DirectX 12 workload. This test stresses modern graphics features like ray tracing and mesh shaders, where the RX 7900 GRE's 80 ray tracing cores and 45.98 TFLOPS of FP32 compute provide a massive advantage over the A2000's 26 ray tracing cores and 7.987 TFLOPS.

In Geekbench OpenCL, the RX 7900 GRE scores 175758 versus 66998 for the A2000, a 61.9% delta. This test measures general-purpose GPU compute across a variety of parallel workloads. The AMD card's 5120 shading units operating at up to 2245 MHz boost clock deliver 45.98 TFLOPS of FP32 throughput, while the A2000's 3328 shading units at up to 1200 MHz manage only 7.987 TFLOPS. The RX 7900 GRE also benefits from higher memory bandwidth (576.0 GB/s vs 288.0 GB/s), which helps in memory-bound compute tasks.

The RX 7900 GRE's victory in both tests is consistent with its specification advantages. It has 53.8% more shading units, 207.7% more TMUs, 233.3% more ROPs, and 207.7% more ray tracing cores than the A2000. Its boost clock is 87.1% higher (2245 MHz vs 1200 MHz), and its memory bandwidth is exactly double. The only areas where the A2000 leads are power consumption, physical size, and its average benchmark score when including legacy tests—none of which translate to better real-world performance in modern applications.

Specification Differences

The following specifications differ between the two cards:

| Specification | NVIDIA RTX A2000 12 GB | AMD Radeon RX 7900 GRE |

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

| Chip | GA106 | Navi 31 |

| Architecture | Ampere | RDNA 3.0 |

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

| Transistors | 12,000 million | 57,700 million |

| Die Size | 276 mm² | 529 mm² |

| Transistor Density | 43.5M / mm² | 109.1M / mm² |

| Base Clock | 562 MHz | 1287 MHz |

| Boost Clock | 1200 MHz | 2245 MHz |

| Game Clock | N/A | 1880 MHz |

| Memory Clock | 1500 MHz (12 Gbps effective) | 2250 MHz (18 Gbps effective) |

| Memory Size | 12 GB | 16 GB |

| Memory Bus | 192 bit | 256 bit |

| Memory Bandwidth | 288.0 GB/s | 576.0 GB/s |

| Shading Units | 3328 | 5120 |

| TMUs | 104 | 320 |

| ROPs | 48 | 160 |

| Ray Tracing Cores | 26 | 80 |

| Tensor Cores | 104 | N/A |

| Pixel Rate | 57.60 GPixel/s | 359.2 GPixel/s |

| Texture Rate | 124.8 GTexel/s | 718.4 GTexel/s |

| FP32 Performance | 7.987 TFLOPS | 45.98 TFLOPS |

| FP16 Performance | 7.987 TFLOPS (1:1) | 91.96 TFLOPS (2:1) |

| TDP | 70 W | 260 W |

| Power Connectors | None | 2x 8-pin |

| Suggested PSU | 250 W | 600 W |

| Length | 167 mm | 276 mm |

| Height | 69 mm | 110 mm |

| Width | N/A | 51 mm |

| Display Outputs | 4x mini-DisplayPort 1.4a | 1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C |

| Production Status | End-of-life | Active |

| Release Date | 2021-11-22 | 2023-07-26 |

| Launch MSRP | 449 USD | 549 USD |

| Predecessor | Quadro Turing | Navi II |

| Successor | Workstation Ada | Navi IV |

The RX 7900 GRE also has a significantly higher transistor density (109.1M / mm² vs 43.5M / mm²), reflecting the more advanced 5 nm process. The A2000's FP16 performance is identical to its FP32 (1:1 ratio), while the RX 7900 GRE doubles its FP16 throughput (2:1 ratio), making it better suited for workloads that leverage mixed-precision math. The A2000 has 104 tensor cores, which the RX 7900 GRE lacks entirely, indicating the NVIDIA card may have an edge in AI-accelerated tasks that specifically use tensor core instructions—though no benchmark data is available to confirm this.