AMD Instinct MI350X vs AMD Radeon RX 7600 XT Comparison

FAQ

Q: What are the core architectures of the AMD Instinct MI350X and the AMD Radeon RX 7600 XT?

A: The AMD Instinct MI350X uses the CDNA 4.0 architecture with the MI350 256CU chip, while the AMD Radeon RX 7600 XT uses the RDNA 3.0 architecture with the Navi 33 chip.

Q: How do the memory subsystems differ between the two cards?

A: The Instinct MI350X features 288 GB of HBM3e memory on an 8192-bit bus with 8.19 TB/s bandwidth. The Radeon RX 7600 XT has 16 GB of GDDR6 memory on a 128-bit bus with 288.0 GB/s bandwidth.

Q: Which card has a higher boost clock?

A: The Radeon RX 7600 XT boosts to 2755 MHz, while the Instinct MI350X boosts to 2200 MHz.

Q: What is the transistor count difference?

A: The Instinct MI350X has 185,000 million transistors on a 2380 mm² die, whereas the Radeon RX 7600 XT has 13,300 million transistors on a 204 mm² die.

Q: Which card has a higher FP32 throughput?

A: The Instinct MI350X delivers 72.09 TFLOPS FP32, compared to 22.57 TFLOPS for the Radeon RX 7600 XT.

Q: Does the Radeon RX 7600 XT have display outputs?

A: Yes, the Radeon RX 7600 XT provides 1x HDMI 2.1a and 3x DisplayPort 2.1 outputs. The Instinct MI350X has no display outputs.

Architecture Differences

The two accelerators target fundamentally different workloads, and the architecture data confirms this split. The Instinct MI350X is built on CDNA 4.0, a compute-optimized design fabricated on a 3 nm process at TSMC. Its die size is 2380 mm², which is exceptionally large, and it packs 185,000 million transistors. The transistor density reaches 77.7M per mm². This part uses an OAM Module slot width, meaning it is designed for server racks and high-density compute nodes rather than desktop systems.

The Radeon RX 7600 XT uses RDNA 3.0, a graphics-optimized architecture on a 6 nm process, also from TSMC. Its die is 204 mm² with 13,300 million transistors, yielding a density of 65.2M per mm². The chip is codenamed Hotpink Bonefish and belongs to the Navi III generation. It is a dual-slot card with a standard PCIe 4.0 x8 interface, while the Instinct uses PCIe 5.0 x16.

The compute resources diverge sharply. The Instinct MI350X has 16,384 shading units and 1,024 texture mapping units, but no ROPs, and its pixel rate is listed as 0 MPixel/s. This is a pure compute accelerator with no graphics output. The Radeon RX 7600 XT has 2,048 shading units, 128 TMUs, 64 ROPs, and 32 ray tracing cores. Its pixel rate is 176.3 GPixel/s, and its texture rate is 352.6 GTexel/s. The texture rate of the Instinct is 2,252.8 GTexel/s, which is over six times higher, but this is irrelevant for graphics rendering since it has no display pipeline.

The API support also reflects their different roles. The Instinct MI350X lists DirectX, OpenGL, and Vulkan as N/A. The Radeon RX 7600 XT supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The power delivery differs accordingly: the Instinct draws up to 1000 W TDP with no power connectors, as it uses an OAM module power scheme, and recommends a 1400 W PSU. The Radeon uses a single 8-pin connector, a 190 W TDP, and recommends a 450 W PSU.

Head-to-Head Benchmarks

The database contains no direct head-to-head benchmark entries comparing these two cards. The Instinct MI350X has no recorded benchmark scores and an average score of 0, while the Radeon RX 7600 XT has a substantial set of measurements. The comparison must therefore rely on the Radeon's absolute scores and its position relative to its own nearest rivals.

The Radeon RX 7600 XT achieves an average benchmark score of 17,083. Its percentile rank among all GPUs is 60, while the Instinct MI350X sits at the 50th percentile. The Radeon's individual scores show a wide spread across test types. In 3DMark Steel Nomad DX12, it scores 2,348. In Geekbench OpenCL, it reaches 92,426, and in Geekbench Vulkan, it scores 48,366. Passmark results include 17,132 in G3D, 8,987 in GPU compute, 1,030 in G2D, 228 in DirectX 9, 167 in DirectX 11, 85 in DirectX 10, and 65 in DirectX 12.

The nearest rivals for the Radeon RX 7600 XT provide context for these scores. The NVIDIA GeForce GTX 690 has an average score of 17,037, which is 0.3% behind the Radeon. The AMD Radeon HD 7970M sits at 17,019, 0.4% behind. The NVIDIA GeForce RTX 3070 leads the Radeon by 0.7% with a score of 17,208. The NVIDIA Tesla M4 trails by 0.9% with 16,932. The Radeon's score is thus tightly clustered within roughly one percent of these four cards, indicating that its performance level is comparable to older high-end parts and a previous-generation mid-range GPU.

The Instinct MI350X has no benchmark entries, so its wins count is 0, and the Radeon also has 0 head-to-head wins, as no direct comparisons exist. The data shows that the Radeon is a measured, tested product, whereas the Instinct is listed without any performance validation in this database. The Instinct's theoretical FP32 output of 72.09 TFLOPS is 3.2 times the Radeon's 22.57 TFLOPS, but this is a specification, not a benchmark result.

Specification Differences

The two cards differ in nearly every measurable specification. The process node: 3 nm for the Instinct, 6 nm for the Radeon. The transistor count: 185,000 million versus 13,300 million. The die size: 2380 mm² versus 204 mm². The base clock: 1000 MHz for the Instinct, 1980 MHz for the Radeon. The boost clock: 2200 MHz versus 2755 MHz. The Radeon also has a game clock of 2470 MHz, which the Instinct lacks.

Memory specifications diverge completely. The Instinct has 288 GB of HBM3e with an 8192-bit bus and 8.19 TB/s bandwidth. The Radeon has 16 GB of GDDR6 with a 128-bit bus and 288.0 GB/s bandwidth. The memory clock is 2000 MHz (8 Gbps effective) for the Instinct and 2250 MHz (18 Gbps effective) for the Radeon.

The compute units differ: 16,384 shading units versus 2,048. TMUs: 1,024 versus 128. ROPs: 0 versus 64. The Radeon has 32 ray tracing cores; the Instinct has none listed. The texture rate: 2,252.8 GTexel/s versus 352.6 GTexel/s. The pixel rate: 0 MPixel/s versus 176.3 GPixel/s. FP32 and FP16 are both 72.09 TFLOPS for the Instinct and 22.57 TFLOPS for the Radeon, with both listed as 1:1 ratios.

The physical and power characteristics differ as well. The Instinct uses a 1000 W TDP, no power connectors, a 1400 W suggested PSU, and an OAM Module slot width. The Radeon uses a 190 W TDP, one 8-pin connector, a 450 W suggested PSU, and a dual-slot form factor. The Instinct measures 102 mm in length and 165 mm in width, while the Radeon measures 204 mm in length and 115 mm in height. The bus interface is PCIe 5.0 x16 for the Instinct and PCIe 4.0 x8 for the Radeon. The Radeon has display outputs; the Instinct has none. The Radeon supports DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4, while the Instinct lists N/A for all. The Radeon is marked as Active in production status; the Instinct has no production status listed.

The Verdict

The data separates these two products into distinct categories. The Instinct MI350X is a server compute accelerator with massive memory capacity, enormous bandwidth, and high FP32 throughput, but it has no graphics output, no API support for DirectX or Vulkan, and no benchmark scores in the database. Its percentile rank of 50 is based on no measured performance, so it reflects a default position rather than a validated result.

The Radeon RX 7600 XT is a consumer graphics card with a full feature set: display outputs, ray tracing cores, DirectX 12 Ultimate support, and a complete set of benchmark scores. Its percentile rank of 60 is backed by actual measurements, and its average score of 17,083 places it within one percent of several established GPUs. The Radeon is the only card in this comparison with verified performance data.

For any workload that requires rendering to a display, gaming, or DirectX/Vulkan applications, the Radeon is the only viable option. The Instinct cannot output video and does not support the relevant graphics APIs. For compute-heavy tasks that need massive memory capacity, such as large-scale model training or scientific simulation, the Instinct's 288 GB of HBM3e and 8.19 TB/s bandwidth provide a clear specification advantage, but its actual performance remains unmeasured in this database.

The launch MSRP for the Radeon is 329 USD, and it is an active product. The Instinct has no listed launch MSRP. The Radeon's power requirements are far lower at 190 W versus 1000 W, making it suitable for standard desktop systems. The Instinct requires a 1400 W PSU and an OAM module slot, which is not available in consumer systems.

Where Each One Wins

The Radeon RX 7600 XT wins in all scenarios that involve graphics. It has 64 ROPs, 32 ray tracing cores, and a pixel rate of 176.3 GPixel/s. It supports DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4. It has four display outputs and is a dual-slot card that fits in a standard desktop. Its measured benchmark scores confirm it performs at a level comparable to the NVIDIA GeForce RTX 3070, which is 0.7% faster, and the NVIDIA GeForce GTX 690, which is 0.3% slower.

The Instinct MI350X wins in raw compute specifications. Its FP32 output of 72.09 TFLOPS is more than three times the Radeon's. Its texture rate of 2,252.8 GTexel/s is over six times higher. Its memory bandwidth of 8.19 TB/s is 28 times higher than the Radeon's 288.0 GB/s. Its memory capacity of 288 GB is 18 times larger. These numbers indicate a device designed for data-center workloads where memory capacity and bandwidth dominate over graphics features.

The Radeon's transistor density is 65.2M per mm², while the Instinct's is 77.7M per mm², indicating a more advanced process node for the Instinct. The Radeon's higher clocks, 1980 MHz base and 2755 MHz boost, versus the Instinct's 1000 MHz base and 2200 MHz boost, reflect the different design priorities. The Radeon prioritizes clock speed for graphics, while the Instinct prioritizes compute density and memory throughput.

The Radeon wins on software compatibility and ecosystem readiness. Its API support and benchmark scores demonstrate a tested, functional product. The Instinct has no API support listed and no benchmark results, so its software ecosystem remains unverified in this database. The Radeon also wins on power efficiency in practical terms: 190 W TDP versus 1000 W TDP, with a suggested PSU of 450 W versus 1400 W.

The Instinct wins on theoretical compute density. Its 16,384 shading units are eight times the Radeon's 2,048. Its 1,024 TMUs are eight times the Radeon's 128. Its 8192-bit memory bus is 64 times wider than the Radeon's 128-bit bus. These specifications make it a purpose-built compute engine, while the Radeon is a purpose-built graphics engine. The recorded data shows no overlap in their intended use cases.