AMD Instinct MI355X vs NVIDIA GeForce RTX 5050 Mobile Comparison

AMD
RADEON

AMD Instinct MI355X

CORE STATE MI350 256CU
VRAM 288 GB
CLOCK SPEED 2400 MHz
TDP 1400 W
BUS WIDTH 8192 bit
ARCHITECTURE CDNA 4.0
nm
PROCESS 3 nm
LAUNCH DATE 2025
VS
NVIDIA
GEFORCE

GeForce RTX 5050 Mobile

CORE STATE GB207
VRAM 8 GB
CLOCK SPEED 1500 MHz
TDP 50 W
BUS WIDTH 128 bit
ARCHITECTURE Blackwell 2.0
nm
PROCESS 5 nm
LAUNCH DATE 2025

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12
N/A
2,365
geekbench_opencl
N/A
84,171

Analysis: AMD Instinct MI355X vs NVIDIA GeForce RTX 5050 Mobile

Head-to-Head Benchmarks

The database contains no direct head-to-head benchmark runs between the AMD Instinct MI355X and the NVIDIA GeForce RTX 5050 Mobile. The Instinct MI355X has no recorded benchmark scores, while the RTX 5050 Mobile has two entries: a 3DMark Steel Nomad DX12 score of 2365 and a Geekbench OpenCL score of 84171. The absence of any overlapping test results means a direct numerical comparison of measured performance cannot be established from the recorded data. The MI355X holds a percentile rank of 50 among all GPUs, while the RTX 5050 Mobile ranks in the 83rd percentile, indicating that the mobile part sits higher in the overall distribution of benchmark scores across the database.

The RTX 5050 Mobile's average benchmark score of 43268 places it in a tight cluster of near-identical performers. Its nearest rival, the NVIDIA Quadro M6000 24 GB, averages 43262, a delta of 0 percent. The Quadro M6000 (non-24 GB variant) averages 43301, which is 0.1 percent ahead of the RTX 5050 Mobile. The GeForce RTX 4070 SUPER averages 43223, sitting 0.1 percent behind. The GeForce RTX 4090 Mobile averages 43667, leading the RTX 5050 Mobile by 0.9 percent. These deltas show that the RTX 5050 Mobile's measured performance is essentially identical to a generation-old workstation card and a desktop RTX 4070 SUPER, while trailing the flagship mobile RTX 4090 by less than one percent in aggregate scoring.

The MI355X, with no benchmark entries and an average score of zero, cannot be positioned against these rivals through measured results. Its 50th percentile rank is a database placement based on specifications rather than recorded performance, as the zero score indicates no test data has been submitted. The RTX 5050 Mobile, by contrast, has sufficient data to establish a clear performance tier. The 3DMark Steel Nomad DX12 score of 2365 represents a modern DirectX 12 workload, while the Geekbench OpenCL score of 84171 reflects compute-oriented performance. Both scores contribute to the average and percentile placement.

The data indicates that the RTX 5050 Mobile delivers a measurable performance profile, while the MI355X remains unquantified in the database. Any comparison of the two must therefore rely on architectural and specification differences rather than benchmark outcomes. The wins count of zero for both parts confirms that no direct competition has been recorded.

FAQ

Q: Does the AMD Instinct MI355X have any recorded benchmark scores?

A: No. The database lists no benchmarks for the MI355X, and its average benchmark score is zero, placing it in the 50th percentile among all GPUs.

Q: What benchmark scores does the NVIDIA GeForce RTX 5050 Mobile have?

A: The RTX 5050 Mobile has two recorded scores: 2365 in 3DMark Steel Nomad DX12 and 84171 in Geekbench OpenCL, with an average score of 43268.

Q: How does the RTX 5050 Mobile compare to its nearest rivals?

A: The RTX 5050 Mobile's average score is within 0.1 percent of the NVIDIA Quadro M6000 24 GB (43262), the Quadro M6000 (43301), and the GeForce RTX 4070 SUPER (43223). The GeForce RTX 4090 Mobile leads by 0.9 percent with an average of 43667.

Q: Which GPU has a higher percentile rank in the database?

A: The RTX 5050 Mobile ranks in the 83rd percentile, while the MI355X ranks in the 50th percentile.

Q: Are there any direct head-to-head benchmark results between the two GPUs?

A: No. The head-to-head benchmark list is empty, and neither GPU has a recorded win in a direct comparison.

Q: What is the release date difference between the two GPUs?

A: The MI355X was released on June 11, 2025, while the RTX 5050 Mobile was released on June 23, 2025, twelve days later.

The Verdict

The recorded data supports a clear choice for users seeking measured benchmark performance: the NVIDIA GeForce RTX 5050 Mobile. It has an average benchmark score of 43268, an 83rd percentile rank, and a performance profile that sits within 0.9 percent of the GeForce RTX 4090 Mobile and within 0.1 percent of desktop-class rivals like the RTX 4070 SUPER. The MI355X has no measured performance in the database, a zero average score, and a 50th percentile rank. For any workload where benchmark scores are the deciding factor, the RTX 5050 Mobile is the only part with data to support a conclusion.

The MI355X, however, is not without a rationale for selection based on its specification sheet. It offers 288 GB of HBM3e memory, an 8192-bit bus, and 8.19 TB/s of bandwidth, figures that dwarf the mobile part's 8 GB GDDR7, 128-bit bus, and 384.0 GB/s. Its 78.64 TFLOPS FP32 throughput is an order of magnitude above the RTX 5050 Mobile's 7.680 TFLOPS. Users whose requirements center on memory capacity and raw compute throughput rather than recorded benchmark scores would find the MI355X's specifications compelling. The RTX 5050 Mobile counters with a smaller 149 mm² die, a 50 W TDP, and active production status, whereas the MI355X lists a 1400 W TDP and a 2380 mm² die.

The database shows two different product intents. The RTX 5050 Mobile is a measured performer in a compact form factor. The MI355X is a specification leader with no recorded results. The verdict from the data: pick the RTX 5050 Mobile for validated benchmark performance, pick the MI355X only if unrecorded specifications outweigh measured outcomes.

Specification Differences

The two GPUs differ across nearly every specification field in the database. The MI355X uses a 3 nm process node, while the RTX 5050 Mobile uses 5 nm, both fabricated by TSMC. Transistor counts differ substantially: the MI355X has 185,000 million transistors on a 2380 mm² die, giving a density of 77.7 million per mm². The RTX 5050 Mobile has 16,900 million transistors on a 149 mm² die, with a higher density of 113.4 million per mm². Clock speeds show the MI355X with a 1000 MHz base and 2400 MHz boost, while the RTX 5050 Mobile has a 1020 MHz base and 1500 MHz boost. Memory clocks differ as well: the MI355X runs at 2000 MHz with 8 Gbps effective, the RTX 5050 Mobile at 1500 MHz with 24 Gbps effective.

Memory configuration separates the parts completely. The MI355X has 288 GB of HBM3e on an 8192-bit bus with 8.19 TB/s bandwidth. The RTX 5050 Mobile has 8 GB of GDDR7 on a 128-bit bus with 384.0 GB/s bandwidth. Compute unit counts follow the same pattern: the MI355X has 16384 shading units, 1024 TMUs, and 0 ROPs, while the RTX 5050 Mobile has 2560 shading units, 80 TMUs, and 32 ROPs. The RTX 5050 Mobile also lists 20 RT cores and 80 tensor cores; the MI355X lists neither. Pixel rates are 0 MPixel/s for the MI355X versus 48.00 GPixel/s for the RTX 5050 Mobile. Texture rates are 2,457.6 GTexel/s versus 120.0 GTexel/s. FP32 and FP16 throughput are both 78.64 TFLOPS for the MI355X, while the RTX 5050 Mobile delivers 7.680 TFLOPS in both.

Power and physical specifications diverge sharply. The MI355X has a TDP of 1400 W with a suggested PSU of 1800 W, occupies an OAM Module slot, and has no power connectors listed. The RTX 5050 Mobile has a TDP of 50 W, uses an IGP slot, and also lists no power connectors. The MI355X has no display outputs; the RTX 5050 Mobile has outputs described as portable device dependent. API support differs: the MI355X lists N/A for DirectX, OpenGL, and Vulkan, while the RTX 5050 Mobile supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. Dimensions exist only for the MI355X: 102 mm length and 165 mm width. The RTX 5050 Mobile has no listed dimensions. Both use PCIe 5.0 x16 as the bus interface. Release dates are June 11, 2025 for the MI355X and June 23, 2025 for the RTX 5050 Mobile. Neither part has a launch MSRP in the database.

Architecture Differences

The MI355X is built on CDNA 4.0 architecture, designed for the Instinct (MIx) generation with the MI350 256CU chip. The RTX 5050 Mobile uses Blackwell 2.0 architecture, part of the GeForce 50-series and GeForce 50 Mobile generation, built on the GB207 chip. These architectures target different workloads: CDNA 4.0 is a compute-oriented design with no display outputs and no API support for graphics standards, while Blackwell 2.0 in this mobile implementation supports DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4, and includes dedicated RT cores and tensor cores. The MI355X has 0 ROPs and 0 pixel rate, indicating no rasterization pipeline, whereas the RTX 5050 Mobile has 32 ROPs and a 48.00 GPixel/s pixel rate, confirming a full graphics pipeline.

The memory architectures reflect distinct design goals. The MI355X uses HBM3e memory stacked in a configuration that yields 288 GB capacity and 8.19 TB/s bandwidth, suitable for large-scale compute workloads. The RTX 5050 Mobile uses GDDR7 with 8 GB capacity and 384.0 GB/s bandwidth, sized for mobile graphics tasks. The MI355X's 8192-bit bus width is 64 times wider than the RTX 5050 Mobile's 128-bit bus, which explains the bandwidth disparity despite the higher effective memory clock on the mobile part (24 Gbps versus 8 Gbps). The MI355X's lack of RT cores and tensor cores means no dedicated hardware for ray tracing or tensor operations, while the RTX 5050 Mobile includes 20 RT cores and 80 tensor cores.

Transistor density differences indicate separate design philosophies. The RTX 5050 Mobile achieves 113.4 million transistors per mm² on a 5 nm node, a higher density than the MI355X's 77.7 million per mm² on a 3 nm node. The MI355X compensates with a vastly larger die, 2380 mm² versus 149 mm², and a transistor count of 185,000 million versus 16,900 million. The production status also differs: the RTX 5050 Mobile is listed as Active, while the MI355X has no production status recorded. The predecessors differ as well: the MI355X follows the Radeon Instinct line, and the RTX 5050 Mobile follows the GeForce 40 Mobile series. Neither part has a successor listed in the database.

DETAILED SPECIFICATIONS

SPECIFICATION
Instinct MI355X
RTX 5050 Mobile
Core Specs
Shading Units
16,384
2,560 -84.4%
Shaders
16,384
2,560 -84.4%
TMUs
1,024
80 -92.2%
ROPs
0
32 +∞%
Compute Units
256
SM Count
20
Clocks
Base Clock
1000 MHz
1020 MHz
Boost Clock
2400 MHz
1500 MHz
Memory Clock
2000 MHz 8 Gbps effective
1500 MHz 24 Gbps effective
Memory
Memory Size
288 GB
8 GB
VRAM (MB)
294,912
8,192 -97.2%
Memory Type
HBM3e
GDDR7
Memory Bus
8192 bit
128 bit
Bandwidth
8.19 TB/s
384.0 GB/s
Cache
L1 Cache
32 KB (per CU)
128 KB (per SM)
L2 Cache
32 MB
32 MB
L3 Cache
256 MB
Performance
Pixel Rate
0 MPixel/s
48.00 GPixel/s
Texture Rate
2,457.6 GTexel/s
120.0 GTexel/s
FP32 (TFLOPS)
78.64 TFLOPS
7.680 TFLOPS
FP64 (TFLOPS)
39.32 TFLOPS (1:2)
120.0 GFLOPS (1:64)
FP16 (TFLOPS)
78.64 TFLOPS (1:1)
7.680 TFLOPS (1:1)
AI/RT
RT Cores
20
Tensor Cores
80
Matrix Cores
1,024
Power
TDP
1400 W
50 W
TDP (W)
1,400
50 -96.4%
Suggested PSU
1800 W
Power Connectors
None
None
Architecture
Architecture
CDNA 4.0
Blackwell 2.0
GPU Name
MI350 256CU
GB207
Generation
Instinct (MIx)
GeForce 50 Mobile
Process Size
3 nm
5 nm
Transistors
185,000 million
16,900 million
Die Size
2380 mm²
149 mm²
Foundry
TSMC
TSMC
Density
77.7M / mm²
113.4M / mm²
API Support
DirectX
12 Ultimate (12_2)
OpenGL
4.6
Vulkan
1.4
OpenCL
3.0
3.0
CUDA
12.0
Shader Model
6.9
Physical
Slot Width
OAM Module
IGP
Length
102 mm 4 inches
Outputs
No outputs
Portable Device Dependent
Bus Interface
PCIe 5.0 x16
PCIe 5.0 x16
Other
Production
Active
Predecessor
Radeon Instinct
GeForce 40 Mobile
View Instinct MI355X Details View GeForce RTX 5050 Mobile Details