AMD Instinct MI355X vs NVIDIA GeForce RTX 3050 A Mobile Comparison

Head-to-Head Benchmarks

The recorded data contains no direct head-to-head benchmark comparisons between the AMD Instinct MI355X and the NVIDIA GeForce RTX 3050 A Mobile. The AMD Instinct MI355X has no benchmark scores listed in the database, while the NVIDIA GeForce RTX 3050 A Mobile has eight recorded benchmark results. The NVIDIA part shows a Passmark G3D score of 11,664, a Geekbench OpenCL score of 52,998, and a Passmark GPU Compute score of 4,419. Its Passmark DirectX scores are 152 for DirectX 9, 94 for DirectX 11, 61 for DirectX 10, and 55 for DirectX 12, with a Passmark G2D score of 526.

The NVIDIA GeForce RTX 3050 A Mobile achieves an average benchmark score of 8,746 across all recorded tests. Its nearest rivals in the database include the NVIDIA GeForce GTX 460 v2 with an average score of 8,743 and a delta of 0%, the AMD Radeon R9 M265X with 8,851 and a delta of -1.2%, and the AMD Radeon Pro WX 5100 with 8,863 and a delta of -1.3%. The NVIDIA Quadro P2200 scores 8,686, which is 0.7% behind the RTX 3050 A Mobile. These comparisons show the RTX 3050 A Mobile sits in a tight cluster of mid-range GPUs, with its performance essentially matching the GTX 460 v2 and trailing the Radeon R9 M265X by only 1.2%.

The AMD Instinct MI355X holds a percentile rank of 50 among all GPUs, while the NVIDIA GeForce RTX 3050 A Mobile sits at the 44th percentile. Without benchmark scores for the MI355X, the database does not provide a direct quantitative comparison of application performance between these two accelerators. The data instead shows the MI355X as a compute-focused part with no recorded gaming or general-purpose benchmark results, whereas the RTX 3050 A Mobile has a full set of DirectX, OpenCL, and compute measurements.

Architecture Differences

The AMD Instinct MI355X uses the MI350 256CU chip built on CDNA 4.0 architecture, manufactured on a 3 nm process at TSMC. It contains 185,000 million transistors on a 2,380 mm² die, yielding a transistor density of 77.7 million per mm². The NVIDIA GeForce RTX 3050 A Mobile uses the GA106 chip based on Ampere architecture, manufactured on an 8 nm process at Samsung. It contains 12,000 million transistors on a 276 mm² die, giving a density of 43.5 million per mm². The MI355X is built for data center compute workloads, while the RTX 3050 A Mobile targets mobile graphics.

The MI355X has 16,384 shading units, 1,024 texture mapping units, and no ROPs, reporting a pixel rate of 0 MPixel/s. Its texture rate reaches 2,457.6 GTexel/s. The RTX 3050 A Mobile has 1,792 shading units, 56 TMUs, and 32 ROPs, with a pixel rate of 42.98 GPixel/s and a texture rate of 75.21 GTexel/s. The MI355X delivers 78.64 TFLOPS of FP32 performance and the same 78.64 TFLOPS for FP16 at a 1:1 ratio. The RTX 3050 A Mobile delivers 4.813 TFLOPS for both FP32 and FP16, also at a 1:1 ratio.

The MI355X includes no RT cores and no tensor cores listed, whereas the RTX 3050 A Mobile includes 14 RT cores and 56 tensor cores. The AMD part supports no DirectX, OpenGL, or Vulkan APIs per the database, while the NVIDIA part supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. This reflects the MI355X's role as a compute accelerator with no graphics output, while the RTX 3050 A Mobile is a full graphics processor with display outputs described as portable device dependent.

Memory architecture differs substantially. The MI355X uses 288 GB of HBM3e memory on an 8,192-bit bus, delivering 8.19 TB/s bandwidth at a memory clock of 2000 MHz with 8 Gbps effective data rate. The RTX 3050 A Mobile uses 4 GB of GDDR6 memory on a 128-bit bus with 192.0 GB/s bandwidth at 1500 MHz and 12 Gbps effective. The MI355X's memory bandwidth is roughly 42 times higher than the RTX 3050 A Mobile's, though the database does not list a direct comparison figure.

Where Each One Wins

The AMD Instinct MI355X wins decisively in raw compute specifications. Its FP32 throughput of 78.64 TFLOPS is more than 16 times the RTX 3050 A Mobile's 4.813 TFLOPS. The MI355X's texture rate of 2,457.6 GTexel/s exceeds the RTX 3050 A Mobile's 75.21 GTexel/s by a factor of approximately 32. Memory capacity favors the MI355X at 288 GB versus 4 GB, and bandwidth favors it at 8.19 TB/s versus 192.0 GB/s. The MI355X also uses a larger die at 2,380 mm² versus 276 mm² and more transistors at 185,000 million versus 12,000 million.

The NVIDIA GeForce RTX 3050 A Mobile wins in areas relevant to client graphics. It has 32 ROPs versus zero for the MI355X, giving it a pixel rate of 42.98 GPixel/s compared to 0 MPixel/s. The RTX 3050 A Mobile supports DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4, while the MI355X has no API support listed. The NVIDIA part includes 14 RT cores and 56 tensor cores, enabling ray tracing and AI acceleration features that the MI355X does not list. The RTX 3050 A Mobile also has a far lower power draw at 45 W versus 1,400 W for the MI355X, and its smaller 276 mm² die makes it suitable for mobile integration.

The RTX 3050 A Mobile has recorded benchmark scores, including an 11,664 Passmark G3D score and a 52,998 Geekbench OpenCL score, allowing direct comparison with other consumer GPUs. The MI355X has no recorded benchmarks, so its practical performance in gaming or workstation tasks cannot be quantified from the database. The RTX 3050 A Mobile's nearest rivals show it performs within 1.3% of the AMD Radeon Pro WX 5100 and within 1.2% of the AMD Radeon R9 M265X, placing it in a specific performance tier among mid-range parts.

Specification Differences

The two accelerators differ across nearly every specification field. The process node is 3 nm for the MI355X versus 8 nm for the RTX 3050 A Mobile. The foundry is TSMC for AMD and Samsung for NVIDIA. Transistor counts are 185,000 million versus 12,000 million. Die sizes are 2,380 mm² versus 276 mm². Transistor density is 77.7 million per mm² versus 43.5 million per mm².

Base clocks are 1000 MHz for the MI355X and 1065 MHz for the RTX 3050 A Mobile. Boost clocks are 2400 MHz versus 1343 MHz. Memory clocks are 2000 MHz with 8 Gbps effective for the MI355X versus 1500 MHz with 12 Gbps effective for the RTX 3050 A Mobile. Memory sizes are 288 GB versus 4 GB. Memory types are HBM3e versus GDDR6. Bus widths are 8,192 bit versus 128 bit. Bandwidth is 8.19 TB/s versus 192.0 GB/s.

Shading units are 16,384 versus 1,792. TMUs are 1,024 versus 56. ROPs are 0 versus 32. RT cores are absent versus 14. Tensor cores are absent versus 56. Pixel rates are 0 MPixel/s versus 42.98 GPixel/s. Texture rates are 2,457.6 GTexel/s versus 75.21 GTexel/s. FP32 performance is 78.64 TFLOPS versus 4.813 TFLOPS. FP16 performance is 78.64 TFLOPS versus 4.813 TFLOPS, both at 1:1 ratios.

TDP is 1,400 W for the MI355X versus 45 W for the RTX 3050 A Mobile. Slot width is OAM Module versus IGP. Power connectors are listed as none for both. Suggested PSU is 1,800 W for the MI355X and not listed for the RTX 3050 A Mobile. Bus interfaces are PCIe 5.0 x16 versus PCIe 4.0 x8. Display outputs are none versus portable device dependent. API support is N/A versus DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4.

Dimensions differ, with the MI355X measuring 102 mm in length and 165 mm in width, while the RTX 3050 A Mobile has no listed dimensions. Release dates are June 2025 for the MI355X and December 2023 for the RTX 3050 A Mobile. The RTX 3050 A Mobile has a production status of end-of-life, while the MI355X has none listed. The MI355X's predecessor is Radeon Instinct, and the RTX 3050 A Mobile's predecessor is GeForce 20 Mobile.

FAQ

Q: Which GPU has higher FP32 compute performance?

A: The AMD Instinct MI355X delivers 78.64 TFLOPS of FP32 performance, compared to 4.813 TFLOPS for the NVIDIA GeForce RTX 3050 A Mobile.

Q: How do the memory configurations compare?

A: The MI355X uses 288 GB of HBM3e memory on an 8,192-bit bus with 8.19 TB/s bandwidth. The RTX 3050 A Mobile uses 4 GB of GDDR6 memory on a 128-bit bus with 192.0 GB/s bandwidth.

Q: Does the MI355X support ray tracing?

A: The database lists no RT cores for the MI355X. The RTX 3050 A Mobile includes 14 RT cores.

Q: What is the power consumption difference?

A: The MI355X has a TDP of 1,400 W with a suggested PSU of 1,800 W. The RTX 3050 A Mobile has a TDP of 45 W with no suggested PSU listed.

Q: Which GPU has recorded benchmark scores?

A: Only the RTX 3050 A Mobile has benchmark scores in the database, including a Passmark G3D score of 11,664 and a Geekbench OpenCL score of 52,998. The MI355X has no recorded benchmarks.

Q: How does the RTX 3050 A Mobile compare to its nearest rivals?

A: It matches the NVIDIA GeForce GTX 460 v2 at a 0% delta, trails the AMD Radeon R9 M265X by 1.2%, trails the AMD Radeon Pro WX 5100 by 1.3%, and beats the NVIDIA Quadro P2200 by 0.7%.

The Verdict

The data indicates two fundamentally different products. The AMD Instinct MI355X is a data center compute accelerator with massive memory capacity, extreme bandwidth, and very high FP32 throughput, but it has no graphics output, no display support, and no gaming API compatibility. The NVIDIA GeForce RTX 3050 A Mobile is a mobile graphics processor with full DirectX 12 Ultimate support, ray tracing cores, and a complete set of benchmark results.

For compute workloads that require large memory pools and extreme bandwidth, the MI355X is the clear choice based on specifications. Its 288 GB HBM3e memory and 8.19 TB/s bandwidth exceed the RTX 3050 A Mobile's 4 GB GDDR6 and 192.0 GB/s by orders of magnitude. Its 78.64 TFLOPS FP32 performance dwarfs the RTX 3050 A Mobile's 4.813 TFLOPS. The MI355X also uses a more advanced 3 nm process with higher transistor density.

For client graphics, gaming, or mobile applications, the RTX 3050 A Mobile is the only viable option between the two. It has ROPs, pixel processing capability, API support, and display outputs, none of which the MI355X provides. Its 45 W TDP makes it suitable for portable devices, while the MI355X requires a 1,800 W suggested PSU. The RTX 3050 A Mobile's benchmark scores place it in a specific performance tier, with its average score of 8,746 nearly identical to the GTX 460 v2.

The MI355X's percentile rank of 50 versus the RTX 3050 A Mobile's 44 suggests the database ranks the MI355X higher overall, but this is based on specification positioning rather than measured benchmarks. The RTX 3050 A Mobile is end-of-life, while the MI355X has a 2025 release date. Users needing a compute accelerator for memory-bound workloads should select the MI355X. Users needing a functional graphics processor for a mobile system should select the RTX 3050 A Mobile. The two do not compete in the same application space.