AMD Steam Deck OLED GPU vs NVIDIA N1 16SM Comparison

Where Each One Wins

The recorded data places the AMD Steam Deck OLED GPU and the NVIDIA N1 16SM in different performance tiers, with the NVIDIA part holding a substantial advantage in raw compute throughput. The AMD GPU, built on the Sephiroth chip with RDNA 2.0 architecture, delivers 1.638 TFLOPS of FP32 compute, while the NVIDIA N1 16SM, based on the GB20B chip with Blackwell 2.0 architecture, reaches 9.609 TFLOPS. That represents a 5.87x difference in raw shader throughput, which directly translates to the NVIDIA part being the clear winner in any workload that scales with floating-point operations.

The AMD Steam Deck OLED GPU wins in power efficiency, as its thermal design power is recorded at 15 W. The NVIDIA N1 16SM has no recorded TDP in the database, but its performance class and integrated graphics package suggest a different power envelope. For portable, battery-constrained applications, the AMD part is the only option with a confirmed power target, making it the sensible choice for handheld gaming scenarios.

In memory capacity, the NVIDIA N1 16SM is the decisive winner with 128 GB of LPDDR5X across a 256-bit bus, delivering 273.2 GB/s of bandwidth. The AMD part offers 16 GB of LPDDR5 across a 128-bit bus, yielding 176.0 GB/s. The NVIDIA part has 55% more memory bandwidth and 8x the capacity, which matters for large datasets, ray tracing acceleration structures, or any workload that exceeds the 16 GB frame buffer.

The AMD GPU counters with a more complete API support profile. It supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.3. The NVIDIA N1 16SM lists no API support in the database, with DirectX, OpenGL, and Vulkan all marked as N/A. This makes the AMD part the only one with confirmed compatibility for standard graphics APIs, a critical distinction for gaming and general-purpose GPU compute.

The AMD part also holds the advantage in physical integration for handheld use. Its dimensions are recorded at 298 mm length, 117 mm height, and 49 mm width, matching the Steam Deck OLED enclosure. The NVIDIA part has no recorded dimensions, and its slot width is listed as "IGP" (integrated graphics processor), indicating a different form factor entirely.

Architecture Differences

The two GPUs come from different architectural generations and design philosophies. The AMD Steam Deck OLED GPU uses the Sephiroth chip on RDNA 2.0 architecture, fabricated on a 6 nm process at TSMC. It integrates 2,400 million transistors on a 131 mm² die, giving a transistor density of 18.3 million per square millimeter. The chip runs at a base clock of 1000 MHz and a boost clock of 1600 MHz, with memory clocked at 1375 MHz (11 Gbps effective).

The NVIDIA N1 16SM uses the GB20B chip on Blackwell 2.0 architecture, also fabricated at TSMC but on a 5 nm process. Its transistor count is listed as unknown, but the die size is 382 mm², which is 2.92x larger than the AMD die. The NVIDIA chip runs at a base clock of 741 MHz and a boost clock of 2346 MHz, with memory at 1067 MHz (8.5 Gbps effective). The boost clock advantage of 746 MHz over the AMD part contributes to its higher throughput.

Shader resource counts differ dramatically. The AMD GPU has 512 shading units, 32 texture mapping units, and 16 raster output units. The NVIDIA part has 2048 shading units (4x), 128 TMUs (4x), and 24 ROPs (1.5x). The NVIDIA part also has 16 ray tracing cores versus 8 on the AMD side, and it includes 64 tensor cores while the AMD GPU has none recorded.

Memory subsystems reflect the different target applications. The AMD GPU uses 16 GB of LPDDR5 on a 128-bit bus, achieving 176.0 GB/s. The NVIDIA part uses 128 GB of LPDDR5X on a 256-bit bus, achieving 273.2 GB/s. The NVIDIA memory type is newer, the bus is twice as wide, and the bandwidth is 55% higher.

Pixel and texture throughput follow the same pattern. The AMD GPU delivers 25.60 GPixel/s and 51.20 GTexel/s. The NVIDIA part delivers 56.30 GPixel/s (2.2x) and 300.3 GTexel/s (5.87x). The FP16 throughput also differs: the AMD part reaches 3.277 TFLOPS using a 2:1 ratio to FP32, while the NVIDIA part achieves 9.609 TFLOPS at a 1:1 ratio, meaning it does not gain a factor of two for half-precision workloads.

The NVIDIA part is listed as an integrated graphics processor with a PCIe 5.0 x16 bus interface, while the AMD GPU has no bus interface recorded. Display outputs differ: the AMD part has one USB Type-C port, while the NVIDIA part has one HDMI port. The NVIDIA part has no power connectors, consistent with an IGP design, while the AMD part has none recorded either.

The Verdict

The benchmark data positions these two GPUs for entirely different use cases. The AMD Steam Deck OLED GPU is a low-power, portable gaming solution with confirmed API support and a compact form factor. The NVIDIA N1 16SM is a high-throughput integrated processor with massive memory capacity and raw compute, but it lacks recorded API support and has no confirmed power target.

For gaming on a handheld device with standard graphics APIs, the AMD part is the only viable option in this comparison. It supports DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.3, which covers the vast majority of PC gaming titles. Its 15 W TDP is the only confirmed power figure in the database, making it the only part with a known thermal envelope for battery-powered operation.

For compute-heavy workloads that fit within a single GPU's address space, the NVIDIA N1 16SM is the clear choice. Its 9.609 TFLOPS of FP32 and FP16 throughput, combined with 64 tensor cores and 128 GB of memory, places it in a different performance class. The 273.2 GB/s of bandwidth and 56.30 GPixel/s pixel rate indicate a part designed for substantial data movement and rendering tasks.

The percentile rankings are identical: both sit at the 50th percentile against all GPUs in the database. This suggests that the database's scoring does not distinguish between these two parts, which is consistent with the fact that neither has recorded benchmark scores or head-to-head results. The average benchmark score for both is zero, meaning the data here is purely speculative from specifications.

Users who need a known, validated graphics solution for gaming should select the AMD part. Users who need maximum compute and memory capacity, and who can work without confirmed API support, should select the NVIDIA part. There is no overlap in their strengths.

FAQ

Q: Which GPU has higher FP32 compute throughput?

A: The NVIDIA N1 16SM delivers 9.609 TFLOPS of FP32, which is 5.87x higher than the AMD Steam Deck OLED GPU's 1.638 TFLOPS.

Q: Does the AMD GPU support modern graphics APIs?

A: Yes, the AMD part supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.3. The NVIDIA N1 16SM has no API support recorded in the database.

Q: What is the memory capacity difference between the two?

A: The NVIDIA N1 16SM has 128 GB of LPDDR5X memory, which is 8x the 16 GB of LPDDR5 on the AMD Steam Deck OLED GPU.

Q: Which GPU has a higher boost clock?

A: The NVIDIA N1 16SM boosts to 2346 MHz, while the AMD Steam Deck OLED GPU boosts to 1600 MHz, a difference of 746 MHz.

Q: How do the ray tracing core counts compare?

A: The NVIDIA N1 16SM has 16 ray tracing cores, while the AMD Steam Deck OLED GPU has 8, giving the NVIDIA part twice the ray tracing hardware.

Q: What is the process node for each GPU?

A: The AMD Steam Deck OLED GPU uses a 6 nm TSMC process, while the NVIDIA N1 16SM uses a 5 nm TSMC process.

Head-to-Head Benchmarks

The database contains no recorded head-to-head benchmark results for these two GPUs, and neither part has individual benchmark scores. Both have an average benchmark score of zero and a percentile ranking of 50 against all GPUs. The analysis must therefore rely on the specification data to project relative performance.

The largest win for the NVIDIA N1 16SM is in raw compute throughput. Its FP32 figure of 9.609 TFLOPS is 5.87x the AMD part's 1.638 TFLOPS. Texture rate follows the same ratio: 300.3 GTexel/s versus 51.20 GTexel/s, also a 5.87x difference. FP16 compute shows a more complex picture: the NVIDIA part delivers 9.609 TFLOPS at a 1:1 ratio, while the AMD part delivers 3.277 TFLOPS at a 2:1 ratio. In absolute terms, the NVIDIA part is 2.93x faster in FP16, but the AMD part's 2:1 ratio means it can double its FP32 rate for half-precision work.

Memory bandwidth favors the NVIDIA part by 55%. The 273.2 GB/s of LPDDR5X bandwidth versus 176.0 GB/s of LPDDR5 means the NVIDIA part can feed its wider 256-bit bus more effectively. Pixel rate also favors NVIDIA at 56.30 GPixel/s versus 25.60 GPixel/s, a 2.2x advantage.

The AMD Steam Deck OLED GPU wins in two specific areas. First, its API support is confirmed and complete, covering DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.3, while the NVIDIA part has none recorded. Second, its power consumption is documented at 15 W, giving it a defined efficiency target, while the NVIDIA part's TDP is unknown.

The die size difference is notable: the NVIDIA chip occupies 382 mm², which is 2.92x the AMD chip's 131 mm². The AMD chip packs 2,400 million transistors into that smaller area, achieving 18.3 million transistors per square millimeter, while the NVIDIA transistor count is unknown. The NVIDIA part uses a slightly newer 5 nm process versus 6 nm for AMD.

Clock behavior differs substantially. The AMD part has a higher base clock at 1000 MHz versus 741 MHz for NVIDIA, but the NVIDIA part has a much higher boost clock at 2346 MHz versus 1600 MHz. This indicates the NVIDIA part is designed to scale up aggressively under load, while the AMD part operates closer to its base frequency.

Shading resources are heavily skewed toward NVIDIA: 2048 shading units versus 512, 128 TMUs versus 32, and 24 ROPs versus 16. The NVIDIA part also has 64 tensor cores, which the AMD part lacks entirely. For any AI or machine learning workload that can use tensor cores, the NVIDIA part is the only option in this comparison.

The NVIDIA part's 128 GB memory capacity is its most distinctive feature. This exceeds what any discrete GPU in the database likely offers, and it enables workloads that require large in-memory datasets. The AMD part's 16 GB is typical for a handheld gaming device but insufficient for large-scale compute tasks.

The bus interface also differs: the NVIDIA part uses PCIe 5.0 x16, while the AMD part has no bus interface recorded. This suggests the NVIDIA part is designed for integration into a system with a full PCIe slot, while the AMD part is embedded into a handheld console. Display outputs are single-port on both: USB Type-C for AMD, HDMI for NVIDIA.

In summary, the specification data shows a clear performance hierarchy. The NVIDIA N1 16SM dominates in every measured compute and memory metric, while the AMD Steam Deck OLED GPU holds advantages in confirmed API support, documented power consumption, and a more compact physical footprint. The lack of recorded benchmark scores means these projections are based entirely on the listed specifications, but the magnitude of the differences leaves little ambiguity about their relative positions.