AMD Instinct MI300A vs NVIDIA RTX 2000 Ada Generation Comparison

Head-to-Head Benchmarks

The recorded data does not contain direct head-to-head benchmark results between the AMD Instinct MI300A and the NVIDIA RTX 2000 Ada Generation. The AMD Instinct MI300A has no benchmark entries in the database, while the NVIDIA RTX 2000 Ada Generation has a full suite of recorded measurements. This means a direct score-by-score comparison is not possible from the available information.

The NVIDIA RTX 2000 Ada Generation shows an average benchmark score of 18,954 across its recorded tests. Its percentile ranking sits at 63, meaning it outperforms a majority of all GPUs in the database. The AMD Instinct MI300A carries a percentile of 50 with an average score of zero, reflecting the absence of recorded benchmark data rather than measured performance.

The NVIDIA card's nearest rivals in the database provide context for its standing. The Quadro K6000 averages 19,030, which is 0.4% higher. The Radeon RX 6600 averages 19,036, also 0.4% higher. The Tesla K80 averages 18,866, which is 0.5% lower. The GeForce RTX 4050 Mobile averages 19,049, 0.5% higher. These deltas are small, placing the RTX 2000 Ada in a tightly contested performance band.

Where Each One Wins

For the NVIDIA RTX 2000 Ada Generation, the benchmark suite shows specific strengths. In 3DMark Steel Nomad DX12, it scores 1,767. Geekbench OpenCL returns 78,074, while Geekbench Vulkan returns 83,360. The PassMark G3D score is 16,927, and PassMark GPU Compute is 7,834. The DirectX 9 test yields 216, DirectX 11 yields 138, and DirectX 10 yields 82. DirectX 12 scores 71, while the G2D test reaches 1,072.

These numbers indicate a card that handles compute workloads and modern graphics APIs well, but the absence of corresponding MI300A scores means no win comparison can be drawn. The AMD Instinct MI300A has no recorded wins in the database. The NVIDIA card has zero recorded wins as well, because the comparison field is empty.

The AMD Instinct MI300A, by contrast, is specified for a different class of work. It has no display outputs, no DirectX, OpenGL, or Vulkan support in its API table, and a pixel rate of zero. Its purpose is not rasterized graphics. The database records no benchmark results for it, so any use-case win must be inferred from specifications, not measured scores.

Architecture Differences

The two accelerators share a 5 nm process node and TSMC as the foundry, but diverge sharply in design. The AMD Instinct MI300A uses the Aqua Vanjaram chip with CDNA 3.0 architecture, part of the Instinct (MIx) generation. It packs 153,000 million transistors on a 1017 mm² die, yielding a transistor density of 150.4 million per mm². The NVIDIA RTX 2000 Ada Generation uses the AD107 chip with Ada Lovelace architecture, part of the Workstation Ada (x000A) generation. It contains 18,900 million transistors on a 159 mm² die, for a density of 118.9 million per mm².

Clock behavior differs. The MI300A runs at a base of 1000 MHz and boosts to 2100 MHz, with memory clocked at 1300 MHz for 5.2 Gbps effective. The RTX 2000 Ada starts at 1620 MHz base and boosts to 2130 MHz, with memory at 2000 MHz for 16 Gbps effective. Despite the higher base clock on the NVIDIA part, the AMD part reaches a similar boost figure.

Memory configurations are fundamentally different. The MI300A uses 128 GB of HBM3 on an 8192-bit bus, producing 5.32 TB/s of bandwidth. The RTX 2000 Ada uses 16 GB of GDDR6 on a 128-bit bus, producing 256.0 GB/s. The AMD part offers eight times the capacity and over twenty times the bandwidth, though the NVIDIA part uses a more conventional memory type.

Compute resources also diverge. The MI300A has 14,592 shading units, 912 texture mapping units, and zero ROPs. Its texture rate is 1,915.2 GTexel/s, and its FP32 throughput is 61.29 TFLOPS. The RTX 2000 Ada has 2,816 shading units, 88 TMUs, and 48 ROPs. It includes 22 ray tracing cores and 88 tensor cores. Its pixel rate is 102.2 GPixel/s, texture rate is 187.4 GTexel/s, and FP32 is 12.00 TFLOPS. FP16 is also 12.00 TFLOPS with a 1:1 ratio. The MI300A has no listed RT cores, tensor cores, or FP16 figure.

Power and physical design differ as well. The MI300A has a TDP of 750 W, uses an OAM Module slot width, requires no power connectors, and suggests a 1150 W power supply. It connects via PCIe 5.0 x16. The RTX 2000 Ada has a TDP of 70 W, a dual-slot design, no power connectors, and suggests a 250 W power supply. It connects via PCIe 4.0 x8. The NVIDIA card has four mini-DisplayPort 1.4a outputs and measures 168 mm in length, 69 mm in height. The AMD card has no display outputs and no recorded dimensions.

API support is another clear split. The MI300A lists N/A for DirectX, OpenGL, and Vulkan. The RTX 2000 Ada supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4.

FAQ

Q: Which GPU has higher FP32 compute throughput?

A: The AMD Instinct MI300A delivers 61.29 TFLOPS FP32, while the NVIDIA RTX 2000 Ada Generation delivers 12.00 TFLOPS.

Q: How does memory bandwidth compare between the two?

A: The MI300A provides 5.32 TB/s over an 8192-bit HBM3 interface with 128 GB capacity. The RTX 2000 Ada provides 256.0 GB/s over a 128-bit GDDR6 interface with 16 GB capacity.

Q: Does the NVIDIA card support ray tracing?

A: Yes, the RTX 2000 Ada Generation includes 22 ray tracing cores and 88 tensor cores. The MI300A has no RT cores or tensor cores listed.

Q: What are the power requirements?

A: The MI300A has a 750 W TDP and suggests a 1150 W power supply. The RTX 2000 Ada has a 70 W TDP and suggests a 250 W power supply. Neither card requires power connectors.

Q: Can either card output video?

A: The RTX 2000 Ada has four mini-DisplayPort 1.4a outputs. The MI300A has no display outputs.

Q: What is the launch MSRP of the NVIDIA card?

A: The RTX 2000 Ada Generation has a launch MSRP of 649 USD. The MI300A has no recorded launch MSRP.

Specification Differences

The two cards differ on nearly every specification field. Process node is the same at 5 nm and foundry is the same at TSMC, but transistor count, die size, and density all favor the AMD part. The MI300A uses 153,000 million transistors on 1017 mm²; the RTX 2000 Ada uses 18,900 million on 159 mm².

Base clock favors NVIDIA at 1620 MHz versus 1000 MHz. Boost clock is close, with NVIDIA at 2130 MHz and AMD at 2100 MHz. Memory clock favors NVIDIA at 2000 MHz versus 1300 MHz, and effective data rate favors NVIDIA at 16 Gbps versus 5.2 Gbps.

Memory size, type, bus width, and bandwidth all favor AMD. The MI300A's 128 GB HBM3 on an 8192-bit bus with 5.32 TB/s dwarfs the RTX 2000 Ada's 16 GB GDDR6 on a 128-bit bus with 256.0 GB/s.

Shader resources favor AMD: 14,592 shading units versus 2,816, 912 TMUs versus 88, and a texture rate of 1,915.2 GTexel/s versus 187.4 GTexel/s. NVIDIA has 48 ROPs and a 102.2 GPixel/s pixel rate; AMD has zero ROPs and zero pixel rate. FP32 favors AMD at 61.29 TFLOPS versus 12.00 TFLOPS. FP16 exists only on NVIDIA at 12.00 TFLOPS.

TDP favors NVIDIA at 70 W versus 750 W. Suggested PSU favors NVIDIA at 250 W versus 1150 W. Slot width differs: OAM Module for AMD, dual-slot for NVIDIA. Bus interface favors AMD with PCIe 5.0 x16 versus PCIe 4.0 x8. Display outputs exist only on NVIDIA, with four mini-DisplayPort 1.4a ports. API support exists only on NVIDIA.

Release dates differ by roughly two months, with AMD on 2023-12-05 and NVIDIA on 2024-02-11. The NVIDIA card has a production status of Active and a known successor, Blackwell PRO W. The AMD card has no production status or successor listed. The NVIDIA card's predecessor is Workstation Ampere; AMD's is Radeon Instinct.

The Verdict

The data shows two accelerators built for different jobs. The AMD Instinct MI300A is a high-throughput compute device: 128 GB of HBM3, 5.32 TB/s bandwidth, 61.29 TFLOPS FP32, and a 750 W TDP with no display outputs or graphics API support. It targets workloads where raw memory bandwidth and FP32 throughput matter more than rendering. Its percentile of 50 with no benchmarks means the database has not measured its performance yet.

The NVIDIA RTX 2000 Ada Generation is a workstation card with measured results. Its average benchmark score of 18,954 places it at the 63rd percentile, with nearest rivals within roughly half a percent. It supports DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4, includes ray tracing and tensor cores, and outputs video through four mini-DisplayPort 1.4a ports. Its 70 W TDP and 250 W suggested PSU make it a low-power option.

For buyers needing accelerated compute with massive memory capacity and bandwidth, the MI300A is the clear specification winner. For buyers needing a compact, low-power workstation GPU with display outputs, graphics API support, and recorded benchmark scores, the RTX 2000 Ada is the only one of the two with data backing its performance. The choice depends entirely on workload class, as the two parts share almost no common ground beyond their process node and foundry.