AMD Steam Deck OLED GPU vs NVIDIA GeForce RTX 4070 AD103 Comparison

Head-to-Head Benchmarks

The recorded data contains no synthetic benchmark scores, frame rate measurements, or composite performance indices for either GPU. The database entries list an average benchmark score of 0 for both the AMD Steam Deck OLED GPU and the NVIDIA GeForce RTX 4070 AD103, with no head-to-head benchmark results available. Consequently, direct numerical performance comparisons cannot be established from the database. What can be analyzed are the raw compute specifications that define each part's theoretical peak throughput, memory subsystem capabilities, and architectural resource allocation. These figures provide a basis for understanding the relative performance envelope of each product, even in the absence of measured workloads.

The FP32 compute throughput offers the clearest mathematical separation. The RTX 4070 AD103 delivers 29.15 TFLOPS, while the Steam Deck OLED GPU provides 1.638 TFLOPS. This represents a 17.8x advantage for the NVIDIA part in single-precision floating-point operations per second. The texture rate follows a similar pattern: 455.4 GTexel/s against 51.20 GTexel/s, a 8.9x difference. Pixel throughput shows 158.4 GPixel/s versus 25.60 GPixel/s, a 6.2x gap. These ratios are direct arithmetic derivations from the specification fields, and they indicate that the RTX 4070 AD103 holds a commanding lead in every raw throughput category recorded.

Memory bandwidth further widens the gap. The RTX 4070 AD103 accesses 504.2 GB/s over a 192-bit GDDR6X interface, while the Steam Deck OLED GPU manages 176.0 GB/s across a 128-bit LPDDR5 bus. That is a 2.9x bandwidth advantage. The NVIDIA part also operates at substantially higher clocks, with a 2475 MHz boost versus 1600 MHz for the AMD chip. The base clocks differ by a similar margin: 1920 MHz versus 1000 MHz.

Architecture Differences

The two GPUs come from different architectural lineages. The AMD Steam Deck OLED GPU uses the Sephiroth chip built on RDNA 2.0, a 6 nm design fabricated by TSMC. The NVIDIA GeForce RTX 4070 AD103 uses the AD103 chip on the Ada Lovelace architecture, a 5 nm TSMC process. The process node difference of 1 nm translates into a substantial transistor density disparity. The AMD die packs 2,400 million transistors into 131 mm², yielding 18.3M transistors per mm². The NVIDIA die contains 45,900 million transistors across 379 mm², achieving 121.1M per mm². This 6.6x density advantage reflects the newer process and the much larger absolute transistor budget.

Shader resources differ enormously. The Steam Deck OLED GPU has 512 shading units, 32 texture mapping units, and 16 ROPs. The RTX 4070 AD103 contains 5,888 shading units, 184 TMUs, and 64 ROPs. Ray tracing hardware also diverges: 8 RT cores on the AMD part versus 46 on the NVIDIA part. The NVIDIA GPU adds 184 tensor cores, a feature entirely absent from the AMD specification, which records null for tensor cores. This tensor core presence enables AI-accelerated workloads that the Steam Deck OLED GPU cannot match through dedicated hardware.

Memory technology separates the two clearly. The Steam Deck OLED GPU uses 16 GB of LPDDR5 at 1375 MHz (11 Gbps effective), while the RTX 4070 AD103 uses 12 GB of GDDR6X at 1313 MHz (21 Gbps effective). The GDDR6X memory operates at nearly double the effective data rate, which explains the bandwidth advantage despite the narrower 128-bit bus on the AMD side. The RTX 4070 AD103 also supports a wider 192-bit interface. API support shows both parts reaching DirectX 12 Ultimate (12_2) and OpenGL 4.6, but the NVIDIA GPU lists Vulkan 1.4 support while the AMD GPU lists Vulkan 1.3.

Power delivery and board design reflect different product categories. The Steam Deck OLED GPU carries a 15 W TDP with no power connector listed, matching its integrated console role. The RTX 4070 AD103 has a 200 W TDP, a dual-slot cooler, a single 16-pin power connector, and a suggested 550 W PSU. The physical dimensions reinforce this: the AMD chip appears in a 298 mm long, 117 mm tall, 49 mm wide package, while the NVIDIA card measures 240 mm long, 110 mm tall, and 40 mm wide. The display output differs as well, with the Steam Deck OLED GPU offering a single USB Type-C output and the RTX 4070 AD103 providing one HDMI 2.1 and three DisplayPort 1.4a connectors.

Where Each One Wins

The RTX 4070 AD103 wins in every compute-heavy category recorded in the database. Its FP32 throughput of 29.15 TFLOPS, texture rate of 455.4 GTexel/s, and pixel rate of 158.4 GPixel/s place it in a different performance class than the Steam Deck OLED GPU. The 46 RT cores and 184 tensor cores provide dedicated hardware for ray-traced rendering and AI inference workloads. The 504.2 GB/s memory bandwidth, combined with 12 GB of GDDR6X, supports high-resolution texture streaming and bandwidth-intensive effects. The 200 W TDP indicates a desktop card designed for sustained performance under load, with a suggested 550 W PSU ensuring stable operation in a full PC build.

The Steam Deck OLED GPU wins on power efficiency and integration. Its 15 W TDP is a fraction of the NVIDIA part's 200 W envelope, making it suitable for battery-powered portable gaming. The 16 GB memory capacity exceeds the RTX 4070 AD103's 12 GB, which matters for memory-constrained workloads that prioritize capacity over bandwidth. The smaller die size of 131 mm², the single USB Type-C output, and the absence of external power connectors all point to a tightly integrated solution for a handheld console. The RDNA 2.0 architecture with 8 RT cores provides baseline ray tracing capability, though the raw throughput numbers suggest it is not aimed at heavy ray-traced workloads.

The production status fields reinforce this split. The Steam Deck OLED GPU is listed as Active, meaning it remains in current production for ongoing console manufacturing. The RTX 4070 AD103 is listed as End-of-life, with its predecessor identified as GeForce 30 and successor as GeForce 50. The release dates also differ: the Steam Deck OLED GPU launched on November 8, 2023, while the RTX 4070 AD103 launched on February 29, 2024. The RTX 4070 AD103 carries a launch MSRP of 599 USD.

FAQ

Q: Which GPU has higher FP32 compute throughput?

A: The NVIDIA GeForce RTX 4070 AD103 delivers 29.15 TFLOPS, while the AMD Steam Deck OLED GPU provides 1.638 TFLOPS.

Q: How much memory does each GPU have?

A: The Steam Deck OLED GPU has 16 GB of LPDDR5, while the RTX 4070 AD103 has 12 GB of GDDR6X.

Q: What are the memory bandwidth figures?

A: The RTX 4070 AD103 reaches 504.2 GB/s over a 192-bit bus, and the Steam Deck OLED GPU reaches 176.0 GB/s over a 128-bit bus.

Q: Do both GPUs support ray tracing?

A: Yes, the Steam Deck OLED GPU has 8 RT cores and the RTX 4070 AD103 has 46 RT cores, with both supporting DirectX 12 Ultimate (12_2).

Q: What are the TDP values?

A: The Steam Deck OLED GPU has a 15 W TDP, and the RTX 4070 AD103 has a 200 W TDP.

Q: Which GPU has tensor cores?

A: The RTX 4070 AD103 has 184 tensor cores; the Steam Deck OLED GPU lists no tensor cores.

Specification Differences

| Specification | AMD Steam Deck OLED GPU | NVIDIA GeForce RTX 4070 AD103 |

|---|---|---|

| Architecture | RDNA 2.0 | Ada Lovelace |

| Process Node | 6 nm | 5 nm |

| Transistors | 2,400 million | 45,900 million |

| Die Size | 131 mm² | 379 mm² |

| Transistor Density | 18.3M / mm² | 121.1M / mm² |

| Base Clock | 1000 MHz | 1920 MHz |

| Boost Clock | 1600 MHz | 2475 MHz |

| Memory Size | 16 GB | 12 GB |

| Memory Type | LPDDR5 | GDDR6X |

| Memory Bus Width | 128 bit | 192 bit |

| Memory Bandwidth | 176.0 GB/s | 504.2 GB/s |

| Shading Units | 512 | 5888 |

| TMUs | 32 | 184 |

| ROPs | 16 | 64 |

| RT Cores | 8 | 46 |

| Tensor Cores | null | 184 |

| Pixel Rate | 25.60 GPixel/s | 158.4 GPixel/s |

| Texture Rate | 51.20 GTexel/s | 455.4 GTexel/s |

| FP32 | 1.638 TFLOPS | 29.15 TFLOPS |

| FP16 | 3.277 TFLOPS (2:1) | 29.15 TFLOPS (1:1) |

| TDP | 15 W | 200 W |

| Slot Width | null | Dual-slot |

| Power Connectors | null | 1x 16-pin |

| Suggested PSU | null | 550 W |

| Bus Interface | null | PCIe 4.0 x16 |

| Display Outputs | 1x USB Type-C | 1x HDMI 2.13x DisplayPort 1.4a |

| Vulkan | 1.3 | 1.4 |

| Production Status | Active | End-of-life |

| Release Date | 2023-11-08 | 2024-02-29 |

| Predecessor | null | GeForce 30 |

| Successor | null | GeForce 50 |

| Launch MSRP | null | 599 USD |

| Dimensions | 298 mm x 117 mm x 49 mm | 240 mm x 110 mm x 40 mm |

The recorded data shows two products engineered for entirely different deployment scenarios. The Steam Deck OLED GPU prioritizes low power consumption, compact integration, and memory capacity within a 15 W envelope. The RTX 4070 AD103 prioritizes raw throughput, dedicated AI hardware, and high-bandwidth memory across a 200 W desktop design. Without benchmark scores, the database cannot rank them on actual application performance, but the specification deltas establish a clear hierarchy in compute resources, memory bandwidth, and feature set.