AMD Radeon Instinct MI308X vs NVIDIA GeForce RTX 5070 Mobile Comparison

Head-to-Head Benchmarks

The database does not contain any shared benchmark results for these two products. The AMD Radeon Instinct MI308X has no recorded benchmark scores, while the NVIDIA GeForce RTX 5070 Mobile has nine entries. This makes a direct performance comparison impossible from measured data alone. However, the available figures for the RTX 5070 Mobile do provide a reference point for where it sits in the broader GPU landscape.

The RTX 5070 Mobile's average benchmark score is 29,928, which places it at the 75th percentile among all GPUs in the database. Its nearest rival, the NVIDIA GeForce RTX 3070 Ti, scores 29,945, a difference of just 0.1%. The RTX 2080 Ti is 0.5% behind at 29,783. The AMD Radeon RX 6800 trails by 0.6% with a score of 30,095, and the RX 6700 is 1.7% ahead at 30,433. These narrow margins indicate that the RTX 5070 Mobile performs within a tight cluster of desktop-class GPUs from previous generations, despite being a mobile part.

The individual benchmark results for the RTX 5070 Mobile show its strongest showing in Geekbench OpenCL with a score of 122,238, followed by 116,960 in Geekbench Vulkan. Passmark G3D yields 20,355, while Passmark GPU Compute produces 8,279. The legacy DirectX tests are much lower: DirectX 9 scores 214, DirectX 11 scores 192, DirectX 10 scores 129, and DirectX 12 scores 93. The G2D score is 896. These numbers suggest that the RTX 5070 Mobile excels in modern compute and graphics workloads but shows lower performance in older API tests, which is typical for newer architectures that prioritize current standards.

Because the MI308X has no benchmark entries, its percentile of 50 and average score of 0 simply reflect the absence of data. The wins tally shows zero for both products. The head-to-head benchmark list is empty. Readers should interpret this as a lack of comparable measurements rather than a statement about either card's capability.

FAQ

Q: Does the AMD Radeon Instinct MI308X have any benchmark scores in the database?

A: No. The MI308X has an empty benchmarks array, an average benchmark score of 0, and a percentile of 50, which reflects missing data rather than actual performance.

Q: What is the RTX 5070 Mobile's best and worst benchmark result?

A: Its best score is 122,238 in Geekbench OpenCL, followed by 116,960 in Geekbench Vulkan. Its worst scores are in Passmark DirectX tests, with DirectX 12 at 93 and DirectX 10 at 129.

Q: How does the RTX 5070 Mobile compare to the RTX 3070 Ti?

A: The RTX 5070 Mobile averages 29,928, while the RTX 3070 Ti averages 29,945. The delta is 0.1% in favor of the RTX 3070 Ti, making them effectively identical in overall performance.

Q: Which architecture does each card use?

A: The MI308X uses CDNA 3.0 with the Aqua Vanjaram chip. The RTX 5070 Mobile uses Blackwell 2.0 with the GB206 chip.

Q: What is the memory configuration difference?

A: The MI308X has 192 GB of HBM3 on an 8192-bit bus with 10.3 TB/s bandwidth. The RTX 5070 Mobile has 8 GB of GDDR7 on a 128-bit bus with 384.0 GB/s bandwidth.

Q: Are there any shared benchmark tests between the two cards?

A: No. The head-to-head benchmarks array is empty, and the MI308X has no recorded tests, so no direct comparison is possible.

Architecture Differences

The two GPUs come from entirely different design philosophies. The MI308X uses AMD's CDNA 3.0 architecture, built specifically for data center compute workloads. The RTX 5070 Mobile uses NVIDIA's Blackwell 2.0 architecture, designed for consumer graphics and gaming. This fundamental split shows up across every major hardware category.

The process node is the same for both: 5 nm at TSMC. However, the transistor counts diverge massively. The MI308X packs 153,000 million transistors on a 1017 mm² die, yielding a density of 150.4M per mm². The RTX 5070 Mobile has 21,900 million transistors on a 181 mm² die, with a density of 121.0M per mm². The MI308X's die is over five times larger and its transistor count is roughly seven times higher.

The memory subsystems reflect their intended uses. The MI308X uses HBM3 with 192 GB capacity, an 8192-bit bus, and 10.3 TB/s bandwidth. This is a massive, high-bandwidth setup for AI training and large-scale compute. The RTX 5070 Mobile uses GDDR7 with 8 GB capacity, a 128-bit bus, and 384.0 GB/s bandwidth. That is a typical configuration for a laptop GPU where power and space are constrained.

Shader configuration differs substantially. The MI308X has 19,456 shading units and 1,216 TMUs, but zero ROPs and a pixel rate of 0 MPixel/s. This makes sense for a compute accelerator that does not need rasterization output. The RTX 5070 Mobile has 4,608 shading units, 144 TMUs, 48 ROPs, and a pixel rate of 68.40 GPixel/s. It also includes 36 ray tracing cores and 144 tensor cores, while the MI308X has no ray tracing or tensor core entries in the database.

The MI308X's texture rate is 2,553.6 GTexel/s, compared to 205.2 GTexel/s for the RTX 5070 Mobile. Floating point performance shows the compute focus: the MI308X delivers 81.72 TFLOPS FP32 and 653.7 TFLOPS FP16 with an 8:1 ratio. The RTX 5070 Mobile delivers 13.13 TFLOPS FP32 and 13.13 TFLOPS FP16 with a 1:1 ratio, indicating a more balanced approach suitable for graphics where FP16 and FP32 are used interchangeably.

API support also differs. The RTX 5070 Mobile supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The MI308X has null entries for DirectX, OpenGL, and Vulkan, consistent with a card that has no display outputs and is not intended for gaming or traditional graphics APIs.

Specification Differences

The two cards differ in nearly every measurable specification. The MI308X has a base clock of 1000 MHz and a boost clock of 2100 MHz. The RTX 5070 Mobile has a base clock of 907 MHz and a boost clock of 1425 MHz. Memory clocks also differ: the MI308X runs at 2525 MHz with 10.1 Gbps effective, while the RTX 5070 Mobile runs at 1500 MHz with 24 Gbps effective.

Power consumption is a major differentiator. The MI308X has a TDP of 750 W and a suggested PSU of 1150 W, while the RTX 5070 Mobile has a TDP of 50 W and no suggested PSU listed. The MI308X uses an OAM Module slot width, while the RTX 5070 Mobile is an IGP. Both use PCIe 5.0 x16, but the MI308X has no display outputs while the RTX 5070 Mobile's outputs are described as portable device dependent.

Release dates are separated by roughly 16 months. The MI308X launched on December 5, 2023, and the RTX 5070 Mobile launched on April 14, 2025. The MI308X's predecessor is the FirePro Data Center, while the RTX 5070 Mobile's predecessor is the GeForce 40 Mobile. The RTX 5070 Mobile has an active production status, while the MI308X has no production status recorded.

Neither card has a launch MSRP in the database, so no pricing information is available. The MI308X has no APIs listed, while the RTX 5070 Mobile supports DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4. The transistor density difference is notable: 150.4M per mm² for the MI308X versus 121.0M per mm² for the RTX 5070 Mobile, despite both using the same 5 nm process.

The Verdict

The data presents a clear but incomplete picture. The AMD Radeon Instinct MI308X is a data center compute accelerator with massive memory capacity, extreme bandwidth, and high FP16 throughput. It has no benchmark scores, no ROPs, no display outputs, and no consumer API support. The NVIDIA GeForce RTX 5070 Mobile is a laptop GPU with recorded benchmark results, full graphics API support, ray tracing cores, and a 75th percentile ranking among all GPUs.

Based on the specifications alone, the MI308X is built for a completely different workload class. Its 192 GB memory and 10.3 TB/s bandwidth are designed for large models and data sets. Its 653.7 TFLOPS FP16 performance with an 8:1 ratio indicates a focus on AI and machine learning workloads that use reduced precision. The lack of ROPs and display outputs confirms it is not meant for rendering to a screen.

The RTX 5070 Mobile, by contrast, is a general-purpose graphics processor. Its benchmark scores show it performs on par with desktop GPUs like the RTX 3070 Ti and RTX 2080 Ti. Its 50 W TDP makes it suitable for portable devices. Its support for DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4, along with ray tracing and tensor cores, positions it for gaming and content creation.

The absence of shared benchmarks means the database cannot confirm which card is faster in any given workload. The specifications suggest the MI308X would dominate in compute-heavy tasks that fit within its memory footprint, while the RTX 5070 Mobile would be the only option for graphics rendering and interactive applications. The verdict from the recorded data is that these products serve disjoint markets and should not be compared as alternatives.

Where Each One Wins

The MI308X wins in every category related to raw compute and memory capacity. Its 192 GB of HBM3 memory dwarfs the 8 GB of GDDR7 in the RTX 5070 Mobile. Its 10.3 TB/s bandwidth is over 26 times higher than the 384.0 GB/s of the RTX 5070 Mobile. Its FP16 throughput of 653.7 TFLOPS is roughly 50 times the RTX 5070 Mobile's 13.13 TFLOPS. Its texture rate of 2,553.6 GTexel/s is more than 12 times the 205.2 GTexel/s of the RTX 5070 Mobile. For FP32, the MI308X delivers 81.72 TFLOPS versus 13.13 TFLOPS.

The RTX 5070 Mobile wins in every category related to graphics output and consumer features. It has 48 ROPs and a pixel rate of 68.40 GPixel/s, while the MI308X has zero ROPs and a pixel rate of 0 MPixel/s. It has 36 ray tracing cores and 144 tensor cores, while the MI308X has none listed. It supports DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4, while the MI308X has no API support recorded. It has display outputs, while the MI308X has none. Its 50 W TDP makes it usable in laptops, while the MI308X requires 750 W and an OAM module slot.

In benchmark performance, the RTX 5070 Mobile has measurable wins. Its average score of 29,928 places it in the 75th percentile, and it is within 1.7% of several desktop-class rivals. The MI308X has no benchmark data, so it cannot claim any recorded wins. The wins tally in the database shows zero for both products, reflecting the lack of head-to-head tests. For users who need interactive graphics, ray tracing, or portable operation, the RTX 5070 Mobile is the only choice based on the data. For users who need massive memory capacity and extreme compute throughput in a data center setting, the MI308X's specifications make it the clear option, even without benchmark confirmation.