AMD Instinct MI325X vs NVIDIA RTX 2000 Ada Generation Comparison

Where Each One Wins

The AMD Instinct MI325X and NVIDIA RTX 2000 Ada Generation occupy entirely different roles in the hardware landscape, and the recorded data reflects that split clearly. The MI325X is an accelerator built around raw compute throughput and massive memory capacity, while the RTX 2000 Ada is a compact workstation card with display outputs and full graphics API support.

The MI325X wins decisively in compute density. Its FP32 output is 81.72 TFLOPS, which is 6.81 times the 12.00 TFLOPS of the RTX 2000 Ada. Texture rate follows a similar pattern: 2,553.6 GTexel/s versus 187.4 GTexel/s, a 13.6x advantage. Memory bandwidth is the most extreme gap, with the MI325X delivering 6.14 TB/s from its 8192-bit HBM3e interface, compared to 256.0 GB/s from the RTX 2000 Ada's 128-bit GDDR6 bus. That is a 24x difference in memory throughput.

The RTX 2000 Ada wins in every category that involves actual graphics output or API support. It has 48 ROPs and a pixel rate of 102.2 GPixel/s, while the MI325X has zero ROPs and a pixel rate of 0 MPixel/s. The NVIDIA card carries 22 RT cores and 88 tensor cores, features the MI325X does not list at all. It supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, while the MI325X reports N/A for all three APIs. The RTX 2000 Ada also has 4x mini-DisplayPort 1.4a outputs; the MI325X has no display outputs whatsoever.

Power draw tells the same story from a different angle. The MI325X has a TDP of 1000 W and requires a suggested PSU of 1400 W. The RTX 2000 Ada has a TDP of 70 W and a suggested PSU of 250 W. The NVIDIA card is an OAM module in reverse: it is a dual-slot, 168 mm long, 69 mm tall PCIe 4.0 x8 card that fits in a standard workstation chassis. The MI325X is an OAM module with a PCIe 5.0 x16 interface and no power connectors of its own, meaning it relies on the carrier board for power delivery.

Benchmark data exists only for the RTX 2000 Ada. The database lists its average benchmark score as 18,954 and places it in the 63rd percentile of all GPUs. The MI325X has no recorded benchmark scores and sits at the 50th percentile with an average score of 0. This does not mean the MI325X is slow; it means the database has no standardized graphics benchmarks for a compute accelerator with no display output and no graphics API support.

The Verdict

The data supports a straightforward choice based on workload. For compute-heavy tasks that fit in a large memory pool, the MI325X is the only option of the two. Its 256 GB of HBM3e memory dwarfs the 16 GB of GDDR6 on the RTX 2000 Ada. Its FP32 throughput of 81.72 TFLOPS is nearly seven times the RTX 2000 Ada's 12.00 TFLOPS. The MI325X also uses a 5 nm TSMC process like the RTX 2000 Ada, but with 153,000 million transistors on a 1017 mm² die, compared to 18,900 million on a 159 mm² die for the NVIDIA part.

For graphics work, professional visualization, or any task requiring a display output, the RTX 2000 Ada is the only viable choice. It has 4x mini-DisplayPort 1.4a outputs, full DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4 support, plus 48 ROPs and a 102.2 GPixel/s pixel rate. The MI325X has no display outputs and no graphics API support, making it useless for rendering to a screen.

The RTX 2000 Ada also wins on integration simplicity. It is a dual-slot card with a 70 W TDP and a 250 W suggested PSU. The MI325X requires a 1000 W TDP budget and a 1400 W suggested PSU, plus OAM module infrastructure. The RTX 2000 Ada uses a PCIe 4.0 x8 interface; the MI325X uses PCIe 5.0 x16, which demands a newer platform.

The RTX 2000 Ada is listed with a launch MSRP of 649 USD. The MI325X has no launch MSRP recorded in the database. The NVIDIA card's nearest rivals in the database are the NVIDIA Quadro K6000 at 19,030 average score (0.4% higher), the AMD Radeon RX 6600 at 19,036 (0.4% higher), the NVIDIA Tesla K80 at 18,866 (0.5% lower), and the NVIDIA GeForce RTX 4050 Mobile at 19,049 (0.5% higher). All four rivals sit within 0.5% of the RTX 2000 Ada's 18,954 average, placing it in a tight performance cluster.

Head-to-Head Benchmarks

The database contains no direct head-to-head benchmark entries between the MI325X and the RTX 2000 Ada. The MI325X has no benchmark scores at all, while the RTX 2000 Ada has ten recorded entries across 3DMark, Geekbench, and Passmark suites.

The RTX 2000 Ada's strongest recorded result is in Geekbench Vulkan with a score of 83,360. Its Geekbench OpenCL score is 78,074. In Passmark, the G3D score is 16,927, the GPU compute score is 7,834, and the G2D score is 1,072. DirectX-specific Passmark results are much lower: DirectX 9 at 216, DirectX 11 at 138, DirectX 10 at 82, and DirectX 12 at 71. The 3DMark Steel Nomad DX12 result is 1,767.

These numbers give a profile of a card that is strong in general compute and Vulkan workloads but modest in legacy DirectX tests. The 63rd percentile ranking and 18,954 average score place it slightly below the Quadro K6000 and RX 6600 in the database's rival list.

The MI325X's absence from the benchmark database means no direct comparison of measured scores is possible. The only quantitative comparison available comes from specifications: FP32, texture rate, memory bandwidth, and memory capacity all favor the MI325X by wide margins. The RTX 2000 Ada counters with ROP count, pixel rate, API support, and display outputs, none of which the MI325X has.

The closest the database comes to a head-to-head is the RTX 2000 Ada's rival list, which shows it trading places with the Quadro K6000, RX 6600, Tesla K80, and RTX 4050 Mobile within a 0.5% band. The MI325X has no such list, as the database has no scores for it.

FAQ

Q: Which card has more memory bandwidth?

A: The AMD Instinct MI325X has 6.14 TB/s from its 8192-bit HBM3e interface. The NVIDIA RTX 2000 Ada has 256.0 GB/s from its 128-bit GDDR6 bus. The MI325X's bandwidth is 24 times higher.

Q: Does the RTX 2000 Ada support ray tracing?

A: Yes. The RTX 2000 Ada has 22 RT cores and 88 tensor cores. The MI325X does not list RT cores or tensor cores in the database.

Q: Can the MI325X output to a display?

A: No. The MI325X has no display outputs and reports N/A for DirectX, OpenGL, and Vulkan support. The RTX 2000 Ada has 4x mini-DisplayPort 1.4a outputs and supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4.

Q: What is the power requirement difference?

A: The MI325X has a TDP of 1000 W and a suggested PSU of 1400 W. The RTX 2000 Ada has a TDP of 70 W and a suggested PSU of 250 W.

Q: How does the RTX 2000 Ada compare to its nearest rivals in the database?

A: Its average benchmark score is 18,954. The NVIDIA Quadro K6000 scores 19,030 (0.4% higher), the AMD Radeon RX 6600 scores 19,036 (0.4% higher), the NVIDIA Tesla K80 scores 18,866 (0.5% lower), and the NVIDIA GeForce RTX 4050 Mobile scores 19,049 (0.5% higher).

Q: What process node do both cards use?

A: Both use a 5 nm process from TSMC. The MI325X has 153,000 million transistors on a 1017 mm² die (150.4M transistors per mm²). The RTX 2000 Ada has 18,900 million transistors on a 159 mm² die (118.9M per mm²).

Architecture Differences

The MI325X uses the Aqua Vanjaram chip with CDNA 3.0 architecture, built by AMD for its Instinct (MIx) generation. The RTX 2000 Ada uses the AD107 chip with Ada Lovelace architecture, built by NVIDIA for its Workstation Ada (x000A) generation. Both are manufactured on TSMC's 5 nm process, but the similarity ends there.

The die sizes could hardly be more different. The MI325X measures 1017 mm² and contains 153,000 million transistors, yielding a transistor density of 150.4 million per mm². The RTX 2000 Ada measures 159 mm² and contains 18,900 million transistors, yielding 118.9 million per mm². The MI325X die is 6.4 times larger by area and holds 8.1 times more transistors.

Compute resources diverge sharply. The MI325X has 19,456 shading units and 1,216 TMUs, with zero ROPs. The RTX 2000 Ada has 2,816 shading units, 88 TMUs, and 48 ROPs. The MI325X's texture rate is 2,553.6 GTexel/s versus 187.4 GTexel/s for the NVIDIA card, and its pixel rate is 0 MPixel/s versus 102.2 GPixel/s. The MI325X has no RT cores or tensor cores listed; the RTX 2000 Ada has 22 RT cores and 88 tensor cores.

Clock behavior differs as well. The MI325X runs at a 1000 MHz base and 2100 MHz boost. The RTX 2000 Ada runs at a 1620 MHz base and 2130 MHz boost. The NVIDIA card has a higher base clock by 620 MHz and a slightly higher boost clock by 30 MHz, but the MI325X compensates with far more compute units.

Memory architecture is the defining difference. The MI325X packs 256 GB of HBM3e on an 8192-bit bus with 6.14 TB/s bandwidth and a memory clock of 1500 MHz (6 Gbps effective). The RTX 2000 Ada has 16 GB of GDDR6 on a 128-bit bus with 256.0 GB/s bandwidth and a memory clock of 2000 MHz (16 Gbps effective). The MI325X has 16 times the capacity and 24 times the bandwidth.

Form factor and interface reflect their different purposes. The MI325X is an OAM module with a PCIe 5.0 x16 bus, no power connectors, and no display outputs. It has no listed dimensions. The RTX 2000 Ada is a dual-slot card measuring 168 mm by 69 mm, using PCIe 4.0 x8, with no power connectors and 4x mini-DisplayPort 1.4a outputs. The MI325X's suggested PSU is 1400 W; the RTX 2000 Ada's is 250 W.

The RTX 2000 Ada supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The MI325X reports N/A for all three. The NVIDIA card is marked as Active in production status, with a successor listed as Blackwell PRO W. The MI325X has no production status recorded and no successor listed. Release dates differ by about eight months: the MI325X launched on October 9, 2024, and the RTX 2000 Ada on February 11, 2024.