AMD Instinct MI325X vs NVIDIA GeForce RTX 5070 Ti Comparison

Head-to-Head Benchmarks

The AMD Instinct MI325X and NVIDIA GeForce RTX 5070 Ti occupy entirely different corners of the hardware spectrum, and the recorded data makes that split unmistakable. The MI325X carries no benchmark entries in the database, while the RTX 5070 Ti posts a substantial set of scores across DirectX, OpenCL, Vulkan, and compute workloads. This asymmetry means the head-to-head comparison is driven entirely by the RTX 5070 Ti's measured performance, which sits at the 86th percentile among all GPUs in the database. The MI325X, by contrast, holds a 50th percentile placement, though that figure reflects its lack of recorded test results rather than any direct competitive measurement.

The RTX 5070 Ti's strongest recorded result comes from Geekbench Vulkan, where it scores 225,122 points. Its OpenCL result follows closely at 212,363 points, indicating that the card delivers comparable throughput across both graphics and general-purpose compute APIs. In 3DMark Steel Nomad DX12, the card posts 6,604 points, a score that anchors its gaming and workstation DirectX 12 performance. Passmark results show a G3D score of 32,974, with a GPU compute score of 20,203, and lower DirectX-specific figures: 351 in DirectX 9, 300 in DirectX 11, 192 in DirectX 10, and 127 in DirectX 12. The G2D score of 1,332 reflects 2D rasterization throughput, which is less relevant to the card's primary workloads but still part of the full benchmark picture.

The nearest rival data for the RTX 5070 Ti provides context for these numbers. The AMD Radeon RX Vega 64 posts an average score of 50,001, which is 0.1% lower than the RTX 5070 Ti's average of 49,957. The Intel Arc A550M averages 49,737, a 0.4% deficit. The AMD Radeon RX 6900 XT averages 50,951, placing it 2% above the RTX 5070 Ti, while the AMD Radeon RX 6800 XT averages 48,477, sitting 3.1% below. These deltas are narrow, suggesting that the RTX 5070 Ti trades blows with previous-generation high-end cards rather than running away from them. The 6900 XT's 2% edge and the 6800 XT's 3.1% gap show that the RTX 5070 Ti lands squarely in that performance tier, with no single rival dominating it by a wide margin.

Because the MI325X has no recorded benchmark scores, the database cannot produce a direct performance delta between the two cards. The wins column shows zero for both, which is an accurate reflection of the data: there is no head-to-head test result to compare. The RTX 5070 Ti's benchmark suite demonstrates its capabilities in isolation, but any claim of superiority over the MI325X would require measurements that the database does not contain. The MI325X's 1000 W TDP and OAM module form factor clearly target a different workload class, and the absence of display outputs reinforces that distinction.

Architecture Differences

The architectural gap between these two chips is vast. The AMD Instinct MI325X uses the Aqua Vanjaram die built on CDNA 3.0, fabricated on a 5 nm process at TSMC. It packs 153,000 million transistors onto a 1017 mm² die, yielding a transistor density of 150.4 million per square millimeter. The NVIDIA GeForce RTX 5070 Ti uses the GB203 die built on Blackwell 2.0, also fabricated on a 5 nm process at TSMC, but with 45,600 million transistors on a 378 mm² die, giving a density of 120.6 million per square millimeter. The MI325X's die is nearly three times larger and holds over three times the transistor count, which corresponds to its far higher compute and memory resource allocation.

The MI325X ships with 19,456 shading units, 1,216 texture mapping units, and zero ROPs. Its pixel rate is listed as 0 MPixel/s, and its texture rate reaches 2,553.6 GTexel/s. The RTX 5070 Ti has 8,960 shading units, 280 TMUs, and 96 ROPs, with a pixel rate of 235.4 GPixel/s and a texture rate of 686.6 GTexel/s. The MI325X's FP32 throughput is 81.72 TFLOPS, and its FP16 throughput is also 81.72 TFLOPS with a 1:1 ratio. The RTX 5070 Ti delivers 43.94 TFLOPS in both FP32 and FP16, also at a 1:1 ratio. The MI325X's compute figures are roughly double those of the RTX 5070 Ti, but the MI325X also draws over three times the power to achieve that.

Memory is where the two diverge most sharply. The MI325X carries 256 GB of HBM3e on an 8192-bit bus, producing 6.14 TB/s of bandwidth. The RTX 5070 Ti carries 16 GB of GDDR7 on a 256-bit bus, producing 896.0 GB/s of bandwidth. The MI325X's memory bandwidth is nearly seven times higher, and its capacity is sixteen times greater. The RTX 5070 Ti's memory clock runs at 1750 MHz with 28 Gbps effective speed, while the MI325X's memory clock runs at 1500 MHz with 6 Gbps effective speed. The MI325X compensates for its lower per-pin clock with a vastly wider bus.

The RTX 5070 Ti includes 70 RT cores and 280 tensor cores, features that the MI325X does not list at all. The MI325X also lists no API support for DirectX, OpenGL, or Vulkan, while the RTX 5070 Ti supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The MI325X has no display outputs, while the RTX 5070 Ti provides 1x HDMI 2.1b and 3x DisplayPort 2.1b. The MI325X uses an OAM module slot width with no power connectors, while the RTX 5070 Ti is dual-slot with a single 16-pin connector. The suggested PSU for the MI325X is 1400 W, versus 700 W for the RTX 5070 Ti.

FAQ

Q: Which card has higher raw FP32 compute?

A: The AMD Instinct MI325X delivers 81.72 TFLOPS in FP32, while the NVIDIA GeForce RTX 5070 Ti delivers 43.94 TFLOPS. The MI325X's figure is roughly double.

Q: How do their memory subsystems compare?

A: The MI325X uses 256 GB of HBM3e on an 8192-bit bus with 6.14 TB/s bandwidth. The RTX 5070 Ti uses 16 GB of GDDR7 on a 256-bit bus with 896.0 GB/s bandwidth.

Q: Does the RTX 5070 Ti support ray tracing or tensor operations?

A: Yes, the RTX 5070 Ti lists 70 RT cores and 280 tensor cores. The MI325X lists no RT cores or tensor cores in the database.

Q: What API support does each card offer?

A: The RTX 5070 Ti supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The MI325X lists N/A for DirectX, OpenGL, and Vulkan.

Q: What are the physical form factor differences?

A: The MI325X is an OAM module with no power connectors and no display outputs. The RTX 5070 Ti is a dual-slot card with 1x 16-pin power connector, 1x HDMI 2.1b, and 3x DisplayPort 2.1b, measuring 304 mm in length.

Q: How does the RTX 5070 Ti compare to its nearest rivals?

A: Its average benchmark score of 49,957 is 0.1% below the AMD Radeon RX Vega 64, 0.4% above the Intel Arc A550M, 2% below the AMD Radeon RX 6900 XT, and 3.1% above the AMD Radeon RX 6800 XT.

The Verdict

The data supports a clear split: the AMD Instinct MI325X is a compute-oriented accelerator with massive memory capacity and bandwidth, while the NVIDIA GeForce RTX 5070 Ti is a graphics card with a full feature set for rendering, ray tracing, and display output. Buyers requiring 256 GB of HBM3e memory and 6.14 TB/s bandwidth for data-intensive workloads should select the MI325X, as no other specification in this comparison approaches those figures. The MI325X's 81.72 TFLOPS FP32 throughput also doubles the RTX 5070 Ti's 43.94 TFLOPS, though it requires a 1000 W TDP and a 1400 W suggested PSU.

Buyers needing DirectX 12 Ultimate, Vulkan 1.4, OpenGL 4.6, RT cores, tensor cores, and display outputs should select the RTX 5070 Ti. Its benchmark results place it at the 86th percentile among all GPUs, with an average score of 49,957. Its nearest rivals, including the RX 6900 XT and RX 6800 XT, sit within a few percentage points, showing that the RTX 5070 Ti is competitive with prior high-end cards. The MI325X has no recorded benchmarks, so no performance verdict can be drawn from the database for it. The choice depends entirely on workload type: the MI325X serves compute and memory capacity, while the RTX 5070 Ti serves graphics and general-purpose compute with API support and display connectivity.

Specification Differences

| Field | AMD Instinct MI325X | NVIDIA GeForce RTX 5070 Ti |

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

| Architecture | CDNA 3.0 | Blackwell 2.0 |

| Process Node | 5 nm | 5 nm |

| Transistors | 153,000 million | 45,600 million |

| Die Size | 1017 mm² | 378 mm² |

| Transistor Density | 150.4M / mm² | 120.6M / mm² |

| Base Clock | 1000 MHz | 2295 MHz |

| Boost Clock | 2100 MHz | 2452 MHz |

| Memory Clock | 1500 MHz 6 Gbps effective | 1750 MHz 28 Gbps effective |

| Memory Size | 256 GB | 16 GB |

| Memory Type | HBM3e | GDDR7 |

| Memory Bus Width | 8192 bit | 256 bit |

| Memory Bandwidth | 6.14 TB/s | 896.0 GB/s |

| Shading Units | 19,456 | 8,960 |

| TMUs | 1,216 | 280 |

| ROPs | 0 | 96 |

| RT Cores | None listed | 70 |

| Tensor Cores | None listed | 280 |

| Pixel Rate | 0 MPixel/s | 235.4 GPixel/s |

| Texture Rate | 2,553.6 GTexel/s | 686.6 GTexel/s |

| FP32 | 81.72 TFLOPS | 43.94 TFLOPS |

| FP16 | 81.72 TFLOPS (1:1) | 43.94 TFLOPS (1:1) |

| TDP | 1000 W | 300 W |

| Slot Width | OAM Module | Dual-slot |

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

| Suggested PSU | 1400 W | 700 W |

| Bus Interface | PCIe 5.0 x16 | PCIe 5.0 x16 |

| Display Outputs | No outputs | 1x HDMI 2.1b, 3x DisplayPort 2.1b |

| DirectX | N/A | 12 Ultimate (12_2) |

| OpenGL | N/A | 4.6 |

| Vulkan | N/A | 1.4 |

| Release Date | 2024-10-09 | 2025-02-19 |

| Launch MSRP | None listed | 749 USD |