AMD Instinct MI300X vs NVIDIA RTX 2000 Mobile Ada Generation Comparison

Head-to-Head Benchmarks

The recorded data shows a single benchmark result for the AMD Instinct MI300X: a Geekbench OpenCL score of 317,994. The NVIDIA RTX 2000 Mobile Ada Generation has no benchmark entries in the database, which means a direct numerical comparison cannot be constructed from direct head-to-head measurements. The comparative analysis must therefore rely on the MI300X's position relative to other GPUs in the database and the architectural characteristics of the RTX 2000 Mobile.

The MI300X's score places it at the 100th percentile among all GPUs in the database, indicating that it outperforms every other recorded GPU in that specific workload. Its nearest rivals show how tightly packed the highest-tier accelerators are: the NVIDIA B200 scores 345,482, which is 8% higher; the NVIDIA H200 NVL scores 334,891, which is 5% higher; the NVIDIA L40S scores 295,763, which is 7.5% lower; and the NVIDIA RTX 6000 Ada Generation scores 287,237, which is 10.7% lower.

The MI300X sits between these rivals in raw OpenCL performance, with a gap of roughly 5% below the closest competitor above it and 7.5% above the closest competitor below it. This clustering suggests that the MI300X delivers performance within a narrow band of the fastest accelerators available, and its 100th percentile ranking reflects the absence of any GPU in the database exceeding its score except for those specific rivals listed.

The RTX 2000 Mobile, by contrast, has an average benchmark score of 0 and sits at the 50th percentile, with no nearest rivals recorded. This does not mean the GPU is nonfunctional; rather, the database lacks recorded benchmark results for this mobile part. Its percentile placement at the 50th mark is a default or positional value, not a performance measurement. Any statement about its relative speed must be inferred from its specifications, not from benchmark scores.

The absence of head-to-head benchmark entries for both GPUs reinforces that the database does not contain a controlled comparison between the MI300X and the RTX 2000 Mobile. The MI300X's 317,994 score is a real measurement, while the RTX 2000 Mobile's lack of a score means that direct percentage deltas cannot be calculated. What the data does show is that the MI300X belongs to a performance class occupied by data-center accelerators with scores in the 287,000 to 345,000 range, while the RTX 2000 Mobile belongs to a mobile workstation class that the database has not yet benchmarked.

FAQ

Q: What is the Geekbench OpenCL score of the AMD Instinct MI300X?

A: The AMD Instinct MI300X scores 317,994 in Geekbench OpenCL, placing it at the 100th percentile among all GPUs in the database.

Q: Does the NVIDIA RTX 2000 Mobile Ada Generation have any benchmark scores in the database?

A: No. The RTX 2000 Mobile has an empty benchmarks array, an average benchmark score of 0, and no nearest rivals listed, so no numerical performance comparison is possible.

Q: How does the MI300X compare to its nearest rivals in the database?

A: The NVIDIA B200 is 8% higher with a score of 345,482; the NVIDIA H200 NVL is 5% higher with a score of 334,891; the NVIDIA L40S is 7.5% lower with a score of 295,763; and the NVIDIA RTX 6000 Ada Generation is 10.7% lower with a score of 287,237.

Q: What are the memory capacities of these two GPUs?

A: The AMD Instinct MI300X has 192 GB of HBM3 memory on an 8192-bit bus with 5.32 TB/s bandwidth. The NVIDIA RTX 2000 Mobile has 8 GB of GDDR6 memory on a 128-bit bus with 256.0 GB/s bandwidth.

Q: What are the power ratings of the two GPUs?

A: The MI300X has a TDP of 750 W and requires a suggested PSU of 1150 W. The RTX 2000 Mobile has a TDP of 50 W and has no suggested PSU listed.

Q: What is the release date of each product?

A: The AMD Instinct MI300X was released on December 5, 2023. The NVIDIA RTX 2000 Mobile Ada Generation was released on March 20, 2023.

Where Each One Wins

The AMD Instinct MI300X wins decisively in raw compute throughput. Its FP32 performance is 81.72 TFLOPS, and its FP16 performance is also 81.72 TFLOPS with a 1:1 ratio. The RTX 2000 Mobile delivers 12.99 TFLOPS in both FP32 and FP16. This is a 6.3x advantage for the MI300X in both precision formats, making it the clear choice for dense matrix operations, scientific simulation, and AI training workloads where raw floating-point throughput is the limiting factor.

The MI300X also wins overwhelmingly in memory capacity and bandwidth. With 192 GB of HBM3 and 5.32 TB/s of bandwidth, it can hold far larger datasets in on-board memory than the RTX 2000 Mobile's 8 GB of GDDR6 at 256.0 GB/s. The memory bus width difference (8192 bit versus 128 bit) amplifies this gap: the MI300X can feed its compute units with data at over 20 times the rate of the RTX 2000 Mobile. For workloads that stream large tensors or require frequent memory access, this is the dominant factor.

The NVIDIA RTX 2000 Mobile wins in power efficiency and physical integration. Its 50 W TDP is 15 times lower than the MI300X's 750 W, and it is classified as an IGP (integrated graphics processor), meaning it is designed to be soldered into laptops and mobile workstations. The MI300X is an OAM Module (Open Accelerator Module) with no display outputs, while the RTX 2000 Mobile has display outputs described as portable device dependent. The RTX 2000 Mobile also includes 24 ray tracing cores and 96 tensor cores, features that are absent or unlisted for the MI300X.

The RTX 2000 Mobile further wins on API support. It supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, whereas the MI300X lists N/A for DirectX, OpenGL, and Vulkan. This makes the RTX 2000 Mobile suitable for graphics-heavy applications, including ray-traced rendering and real-time visualization, while the MI300X is a compute-only accelerators with no graphics pipeline.

Specification Differences

The two GPUs differ in nearly every measurable specification. The MI300X uses 153,000 million transistors on a 1017 mm² die, while the RTX 2000 Mobile uses 18,900 million transistors on a 159 mm² die. Transistor density is 150.4 million per square millimeter for the MI300X versus 118.9 million per square millimeter for the RTX 2000 Mobile.

Clock speeds differ in both base and boost. The MI300X runs at 1000 MHz base and 2100 MHz boost, while the RTX 2000 Mobile runs at 1635 MHz base and 2115 MHz boost. The RTX 2000 Mobile has a higher base clock by 635 MHz and a slightly higher boost clock by 15 MHz.

Memory configurations are drastically different. The MI300X has 192 GB of HBM3 at 1300 MHz (5.2 Gbps effective) on an 8192-bit bus. The RTX 2000 Mobile has 8 GB of GDDR6 at 2000 MHz (16 Gbps effective) on a 128-bit bus. Memory bandwidth is 5.32 TB/s for the MI300X and 256.0 GB/s for the RTX 2000 Mobile.

Compute unit counts diverge sharply. The MI300X has 19,456 shading units and 1,216 texture mapping units, with 0 ROPs. The RTX 2000 Mobile has 3,072 shading units, 96 TMUs, and 48 ROPs. The pixel rate for the MI300X is 0 MPixel/s, while the RTX 2000 Mobile delivers 101.5 GPixel/s. Texture rates are 2,553.6 GTexel/s for the MI300X versus 203.0 GTexel/s for the RTX 2000 Mobile.

The bus interface differs by generation: PCIe 5.0 x16 for the MI300X versus PCIe 4.0 x16 for the RTX 2000 Mobile. Power delivery is also distinct: the MI300X has no power connectors and a suggested PSU of 1150 W, while the RTX 2000 Mobile also has no power connectors but no suggested PSU is listed.

Architecture Differences

The AMD Instinct MI300X is built on the CDNA 3.0 architecture, using the chip codename Aqua Vanjaram. The NVIDIA RTX 2000 Mobile uses the Ada Lovelace architecture with the AD107 chip. Both are fabricated on a 5 nm process at TSMC, but the design philosophies differ fundamentally.

CDNA 3.0 is a compute-focused architecture with no graphics capabilities. The MI300X has no display outputs, no DirectX, OpenGL, or Vulkan support, and no ROPs. Its 19,456 shading units are arranged for massive parallel compute, and its 1,216 TMUs process textures at 2,553.6 GTexel/s, but the pixel rate is 0 MPixel/s, confirming that it does not rasterize graphics.

Ada Lovelace is a full graphics and compute architecture. The RTX 2000 Mobile includes 24 ray tracing cores and 96 tensor cores, supporting hardware-accelerated ray tracing and AI inference. Its 48 ROPs and 101.5 GPixel/s pixel rate enable rasterization, and its DirectX 12 Ultimate support includes features like mesh shaders and variable rate shading. The API list (Vulkan 1.4, OpenGL 4.6) indicates a general-purpose GPU that can handle both compute and rendering workloads.

The transistor count difference reflects the design scale: 153,000 million transistors for the MI300X versus 18,900 million for the RTX 2000 Mobile. The MI300X's die is 1017 mm², one of the largest in the database, while the RTX 2000 Mobile's die is 159 mm². Despite the smaller die, the RTX 2000 Mobile achieves a higher base clock (1635 MHz versus 1000 MHz), suggesting a design optimized for power efficiency in mobile thermal envelopes.

The memory architecture also reflects different goals. HBM3 on the MI300X provides 5.32 TB/s bandwidth, suited for data-center workloads where memory bandwidth is the bottleneck. GDDR6 on the RTX 2000 Mobile provides 256.0 GB/s, sufficient for mobile graphics and compute tasks. The MI300X's 8192-bit bus is over 64 times wider than the RTX 2000 Mobile's 128-bit bus, but the RTX 2000 Mobile uses a higher effective memory clock (16 Gbps versus 5.2 Gbps).

The Verdict

The data indicates that the AMD Instinct MI300X is designed for data-center acceleration where raw compute and memory bandwidth are paramount. Its 317,994 Geekbench OpenCL score places it at the 100th percentile, with nearest rivals within a 5% to 10.7% band. Its 81.72 TFLOPS FP32 and FP16 performance, 192 GB HBM3 memory, and 5.32 TB/s bandwidth make it suitable for large-scale AI training, scientific computing, and high-performance computing workloads. The absence of display outputs and graphics APIs confirms that it is a compute-only accelerator.

The NVIDIA RTX 2000 Mobile Ada Generation is designed for mobile workstations where power efficiency and graphics capability matter. Its 50 W TDP, IGP form factor, and portable device dependent display outputs indicate a chip meant for laptops. The 24 ray tracing cores, 96 tensor cores, and DirectX 12 Ultimate support make it capable of real-time rendering and AI-accelerated graphics. Its 12.99 TFLOPS FP32 performance is far lower than the MI300X, but it operates at a fraction of the power and includes features the MI300X lacks entirely.

A user selecting between these two GPUs would choose the MI300X for compute density, large memory footprints, and maximum throughput in server environments. The RTX 2000 Mobile would be the choice for mobile graphics work, on-site rendering, or any workload requiring DirectX, OpenGL, or Vulkan support. The database contains no benchmark for the RTX 2000 Mobile, so direct performance comparisons beyond specifications are not possible. The MI300X's recorded score and rival deltas provide a quantitative anchor, while the RTX 2000 Mobile's capabilities must be assessed from its architectural features alone.