AMD Instinct MI300A vs NVIDIA GeForce RTX 5070 Mobile Comparison

AMD Instinct MI300A and NVIDIA GeForce RTX 5070 Mobile occupy opposite ends of the GPU spectrum, one a data center compute module with no display outputs, the other a mobile graphics processor designed for laptops. The recorded data shows a stark contrast in nearly every measurable category, from compute throughput to memory capacity, yet each device is optimized for entirely different workloads. The MI300A holds a percentile rank of 50 among all GPUs in the database, while the RTX 5070 Mobile sits at the 75th percentile, indicating that the mobile part outperforms the majority of recorded GPUs in benchmark scores, a position the MI300A does not share due to its lack of benchmark entries.

Head-to-Head Benchmarks

The head-to-head benchmark array in the database is empty, meaning there are no direct comparative test scores recorded between the AMD Instinct MI300A and the NVIDIA GeForce RTX 5070 Mobile. The MI300A has no benchmark entries at all, resulting in an average benchmark score of 0 and zero wins in head-to-head comparisons. The RTX 5070 Mobile, by contrast, has a substantial set of recorded measurements, with an average benchmark score of 29,928 across multiple tests, giving it a win count of 1 in the head-to-head field, though this is purely a function of available data rather than a direct performance comparison.

Focusing solely on the RTX 5070 Mobile’s recorded results, the data shows a strong showing in compute-oriented tests. Its Geekbench OpenCL score reaches 122,238, while the Vulkan score is 116,960, indicating consistent performance across different API frameworks. In Passmark testing, the DirectX 11 score of 192 and DirectX 9 score of 214 both exceed the DirectX 10 score of 129 and DirectX 12 score of 93, suggesting that the driver overhead or workload characteristics of older APIs favor this architecture. The Passmark G3D score of 20,355 and GPU compute score of 8,279 provide additional reference points, with the G2D score of 896 reflecting 2D graphics throughput.

The MI300A’s theoretical specifications, however, point to a compute capability that dwarfs the mobile part. The MI300A delivers 61.29 TFLOPS of FP32 performance, while the RTX 5070 Mobile produces 13.13 TFLOPS, a difference of roughly 4.7 times in raw single-precision throughput. Texture rate follows a similar pattern, with the MI300A generating 1,915.2 GTexel/s against the RTX 5070 Mobile’s 205.2 GTexel/s. The pixel rate also diverges sharply, but in the opposite direction: the MI300A records 0 MPixel/s due to its lack of raster output units, while the RTX 5070 Mobile achieves 68.40 GPixel/s, a meaningful figure for display-oriented tasks.

FAQ

Q: Which GPU has a higher FP32 floating-point performance?

A: The AMD Instinct MI300A delivers 61.29 TFLOPS, which is substantially higher than the NVIDIA GeForce RTX 5070 Mobile’s 13.13 TFLOPS.

Q: How does memory bandwidth compare between the two devices?

A: The MI300A offers 5.32 TB/s of bandwidth from 128 GB of HBM3 memory on a 8192-bit bus, while the RTX 5070 Mobile provides 384.0 GB/s from 8 GB of GDDR7 memory on a 128-bit bus.

Q: What is the power draw difference?

A: The MI300A has a TDP of 750 W and a suggested PSU of 1150 W, whereas the RTX 5070 Mobile has a TDP of 50 W with no suggested PSU listed.

Q: Which device supports DirectX and Vulkan?

A: The RTX 5070 Mobile supports DirectX 12 Ultimate (12_2) and Vulkan 1.4, while the MI300A reports N/A for DirectX, OpenGL, and Vulkan APIs.

Q: How do the benchmark percentiles differ?

A: The MI300A sits at the 50th percentile among all GPUs with an average benchmark score of 0, while the RTX 5070 Mobile ranks at the 75th percentile with an average score of 29,928.

Q: What are the nearest rivals to the RTX 5070 Mobile based on average scores?

A: The closest competitor is the NVIDIA GeForce RTX 3070 Ti with an average score of 29,945 and a delta of -0.1%, followed by the NVIDIA GeForce RTX 2080 Ti at 29,783 with a delta of 0.5%, and the AMD Radeon RX 6800 at 30,095 with a delta of -0.6%.

Where Each One Wins

The NVIDIA GeForce RTX 5070 Mobile wins decisively in any workload that requires rasterization or display output. Its 48 ROPs and 68.40 GPixel/s pixel rate enable rendering to screens, and its support for DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4 makes it compatible with consumer graphics applications. The MI300A, by contrast, has 0 ROPs, a 0 MPixel/s pixel rate, and no display outputs, so it cannot drive a monitor or perform traditional graphics rendering. The RTX 5070 Mobile also holds the advantage in portability, with a 50 W TDP and an IGP slot width, fitting into mobile form factors, while the MI300A’s 750 W TDP and OAM Module slot width require a server chassis.

The AMD Instinct MI300A wins in computational density and memory capacity. Its 14592 shading units, 912 TMUs, and 61.29 TFLOPS FP32 throughput make it a compute powerhouse for parallel processing tasks such as scientific simulations or AI training. The 128 GB HBM3 memory pool with 5.32 TB/s bandwidth provides a massive data staging area, far exceeding the RTX 5070 Mobile’s 8 GB GDDR7 and 384.0 GB/s. The MI300A also leads in texture throughput at 1,915.2 GTexel/s, which matters for texture-heavy compute workloads even though it lacks display functionality.

Specification Differences

The two devices differ in nearly every specification field. Process node and foundry are identical: both use TSMC’s 5 nm process. Transistor counts diverge sharply, with the MI300A containing 153,000 million transistors on a 1017 mm² die, yielding a density of 150.4M per mm², while the RTX 5070 Mobile has 21,900 million transistors on a 181 mm² die, for a density of 121.0M per mm². Clock speeds also differ, with the MI300A running at 1000 MHz base and 2100 MHz boost, while the RTX 5070 Mobile operates at 907 MHz base and 1425 MHz boost. Memory clocks show 1300 MHz (5.2 Gbps effective) for the MI300A and 1500 MHz (24 Gbps effective) for the RTX 5070 Mobile.

Memory configurations are fundamentally different. The MI300A uses 128 GB of HBM3 on a 8192-bit bus, while the RTX 5070 Mobile uses 8 GB of GDDR7 on a 128-bit bus. Shading units number 14592 on the MI300A versus 4608 on the RTX 5070 Mobile, and TMUs are 912 versus 144. ROPs are 0 on the MI300A and 48 on the RTX 5070 Mobile. The RTX 5070 Mobile includes 36 RT cores and 144 tensor cores, while the MI300A lists no RT cores or tensor cores. FP16 performance is 13.13 TFLOPS (1:1) on the RTX 5070 Mobile, while the MI300A lists no FP16 figure.

Architecture Differences

The MI300A uses the CDNA 3.0 architecture on the Aqua Vanjaram chip, a design focused on compute acceleration with no graphics pipeline. The RTX 5070 Mobile uses Blackwell 2.0 on the GB206 chip, a consumer-oriented architecture with full graphics and ray tracing support. The MI300A belongs to the Instinct (MIx) generation, while the RTX 5070 Mobile is part of the GeForce 50 Mobile series. The MI300A’s predecessor is Radeon Instinct, and the RTX 5070 Mobile’s predecessor is GeForce 40 Mobile. Release dates differ, with the MI300A launching on December 5, 2023, and the RTX 5070 Mobile on April 14, 2025. The MI300A has no production status listed, while the RTX 5070 Mobile is marked as Active. The MI300A has no display outputs, while the RTX 5070 Mobile outputs are portable device dependent. The MI300A uses a PCIe 5.0 x16 bus interface, as does the RTX 5070 Mobile, but the MI300A has no power connectors while the RTX 5070 Mobile also has none, given its integrated design.

The Verdict

The data directs each device to a distinct role. The AMD Instinct MI300A is a compute-only module, evidenced by its 0 ROPs, 0 MPixel/s pixel rate, and no display outputs, making it unsuitable for any graphics or desktop workload. Its 61.29 TFLOPS FP32 throughput, 128 GB HBM3 memory, and 5.32 TB/s bandwidth position it for high-performance computing, data center inference, or scientific number crunching. The RTX 5070 Mobile, with 13.13 TFLOPS, 8 GB GDDR7, and full API support including DirectX 12 Ultimate and Vulkan 1.4, serves laptops for gaming, content creation, or general GPU-accelerated applications. The RTX 5070 Mobile’s nearest rivals, such as the RTX 3070 Ti with a delta of -0.1%, show it performs on par with previous generation desktop parts, while the MI300A has no recorded rivals or benchmarks. Users requiring display output and consumer software compatibility should select the RTX 5070 Mobile, while those needing maximum memory bandwidth and compute density in a server environment should choose the MI300A. The 750 W TDP and 1150 W suggested PSU for the MI300A confirm its data center orientation, whereas the 50 W TDP of the RTX 5070 Mobile suits battery-powered systems.