AMD Radeon RX 7400 OEM vs AMD Steam Deck OLED GPU Comparison

Head-to-Head Benchmarks

The database shows no direct benchmark scores for either GPU, so the head-to-head comparison must be built from the recorded specifications and architectural data. The Radeon RX 7400 OEM delivers 7.885 TFLOPS of FP32 compute, while the Steam Deck OLED GPU delivers 1.638 TFLOPS. This places the RX 7400 OEM at roughly 4.8 times the raw shader throughput of the Steam Deck OLED GPU, a substantial gap that will manifest in every compute-bound workload. The pixel rate tells a similar story: the RX 7400 OEM outputs 70.40 GPixel/s versus 25.60 GPixel/s for the Steam Deck OLED GPU, a 2.75x advantage for the desktop card. Texture rate follows the same pattern, with the RX 7400 OEM at 123.2 GTexel/s compared to 51.20 GTexel/s, a 2.4x lead.

Memory bandwidth is the closest contest. The Steam Deck OLED GPU has 176.0 GB/s of bandwidth, while the RX 7400 OEM has 172.8 GB/s. The difference is only 1.9% in favor of the Steam Deck OLED GPU, which is remarkable given the vast differences in compute throughput. This near-parity means that in bandwidth-limited scenarios, such as heavy texture streaming or certain resolution scaling operations, the Steam Deck OLED GPU will not be at a disadvantage. However, the RX 7400 OEM's higher pixel and texture rates indicate it can utilize its bandwidth more efficiently in most rendering paths.

The FP16 comparison is asymmetric. The RX 7400 OEM runs FP16 at 7.885 TFLOPS with a 1:1 ratio to FP32, meaning no dedicated half-precision acceleration. The Steam Deck OLED GPU runs FP16 at 3.277 TFLOPS with a 2:1 ratio, doubling its throughput when using half-precision math. This gives the Steam Deck OLED GPU a relatively stronger FP16 position, though still far below the RX 7400 OEM in absolute terms. The RX 7400 OEM leads FP16 by 2.4x, but the Steam Deck OLED GPU's architecture is more efficient in this specific mode.

Architecture Differences

The two GPUs belong to different RDNA generations. The RX 7400 OEM uses RDNA 3.0 architecture on the Navi 33 chip, codenamed Hotpink Bonefish, part of the Navi III (RX 7000) generation. The Steam Deck OLED GPU uses RDNA 2.0 on the Sephiroth chip, a console GPU from Valve. Both are manufactured on a 6 nm process at TSMC, but the transistor counts diverge sharply: the RX 7400 OEM integrates 13,300 million transistors on a 204 mm² die, while the Steam Deck OLED GPU has 2,400 million transistors on a 131 mm² die. This yields a transistor density of 65.2M per mm² for the RX 7400 OEM versus 18.3M per mm² for the Steam Deck OLED GPU, a 3.6x density advantage for the newer architecture.

The RX 7400 OEM has 1792 shading units, 112 texture mapping units, 64 ROPs, and 28 ray tracing cores. The Steam Deck OLED GPU has 512 shading units, 32 TMUs, 16 ROPs, and 8 ray tracing cores. These are exactly 3.5x, 3.5x, 4x, and 3.5x differences respectively, showing a consistent scaling pattern across the two architectures. The RX 7400 OEM is a fully discrete desktop card with a PCIe 4.0 x8 bus interface, a single-slot form factor, a 6-pin power connector, and a suggested power supply of 250 W. The Steam Deck OLED GPU has no listed bus interface or power connectors, reflecting its integration into a handheld console.

Clock behavior differs notably. The RX 7400 OEM has a base clock of 330 MHz and a boost clock of 1100 MHz, a wide dynamic range that allows aggressive power saving at idle. The Steam Deck OLED GPU has a base clock of 1000 MHz and a boost clock of 1600 MHz, a much narrower range. The Steam Deck OLED GPU's boost clock is 45% higher than the RX 7400 OEM's boost clock, but the latter's far larger execution units compensate. Memory clocks are similar: the RX 7400 OEM runs GDDR6 at 1350 MHz (10.8 Gbps effective), while the Steam Deck OLED GPU runs LPDDR5 at 1375 MHz (11 Gbps effective). Both use a 128-bit memory bus.

Where Each One Wins

The RX 7400 OEM wins decisively in all raw compute metrics. It has 3.5x the shading units, 3.5x the TMUs, 4x the ROPs, and 3.5x the ray tracing cores. Its FP32 throughput of 7.885 TFLOPS is 4.8x the Steam Deck OLED GPU's 1.638 TFLOPS. This translates directly to performance in traditional rasterization workloads, high-resolution rendering, and compute-heavy effects like ray tracing, ambient occlusion, and physics simulations. The RX 7400 OEM also has a higher pixel rate (70.40 GPixel/s vs 25.60 GPixel/s) and texture rate (123.2 GTexel/s vs 51.20 GTexel/s), which means it can handle higher resolutions and more complex geometry without bottlenecking.

The Steam Deck OLED GPU wins in memory capacity and bandwidth. It has 16 GB of LPDDR5 memory versus 8 GB of GDDR6 on the RX 7400 OEM. This is a 2x capacity advantage, which matters for games with large texture sets, modded titles, or workloads that exceed 8 GB. Its bandwidth of 176.0 GB/s is marginally ahead of the RX 7400 OEM's 172.8 GB/s. The Steam Deck OLED GPU also has a higher boost clock of 1600 MHz versus 1100 MHz, though the RX 7400 OEM's larger execution units make this clock advantage irrelevant in practice. The Steam Deck OLED GPU's FP16 ratio of 2:1 gives it a more efficient half-precision path, though the RX 7400 OEM still has 2.4x higher absolute FP16 throughput.

The power envelope is a clear differentiator. The RX 7400 OEM has a TDP of 55 W, while the Steam Deck OLED GPU has a TDP of 15 W. The Steam Deck OLED GPU consumes 73% less power, which is critical for a handheld device. The RX 7400 OEM requires a 250 W power supply, while the Steam Deck OLED GPU has no such requirement, reflecting its integrated nature. The Steam Deck OLED GPU also includes a USB Type-C display output, while the RX 7400 OEM offers 1x HDMI 2.1a and 3x DisplayPort 2.1 outputs.

Specification Differences

The two GPUs differ across nearly every recorded specification field. The RX 7400 OEM is part of the Radeon RX 7000 series with RDNA 3.0 architecture, while the Steam Deck OLED GPU uses RDNA 2.0 and belongs to the console GPU generation from Valve. The chips are Navi 33 versus Sephiroth. Process nodes are identical at 6 nm TSMC, but transistor counts differ (13,300 million vs 2,400 million), die sizes differ (204 mm² vs 131 mm²), and transistor densities differ (65.2M per mm² vs 18.3M per mm²).

Clocks diverge: the RX 7400 OEM has a 330 MHz base and 1100 MHz boost, while the Steam Deck OLED GPU has a 1000 MHz base and 1600 MHz boost. Memory differs in type (GDDR6 vs LPDDR5), size (8 GB vs 16 GB), and bandwidth (172.8 GB/s vs 176.0 GB/s). The RX 7400 OEM has 1792 shading units, 112 TMUs, 64 ROPs, and 28 ray tracing cores; the Steam Deck OLED GPU has 512, 32, 16, and 8 respectively. Pixel rates are 70.40 vs 25.60 GPixel/s, and texture rates are 123.2 vs 51.20 GTexel/s. FP32 is 7.885 vs 1.638 TFLOPS. FP16 is 7.885 (1:1) vs 3.277 (2:1) TFLOPS. TDP is 55 W vs 15 W. The RX 7400 OEM is single-slot with a 6-pin connector and 250 W suggested PSU; the Steam Deck OLED GPU has no slot width, connectors, or PSU listing. Bus interfaces differ (PCIe 4.0 x8 vs none), and display outputs differ (HDMI 2.1a plus DisplayPort 2.1 vs USB Type-C). API support is nearly identical, with the RX 7400 OEM supporting Vulkan 1.4 versus Vulkan 1.3 on the Steam Deck OLED GPU. Release dates are 2025-08-07 for the RX 7400 OEM and 2023-11-08 for the Steam Deck OLED GPU.

FAQ

Q: Which GPU has higher raw compute throughput?

A: The RX 7400 OEM delivers 7.885 TFLOPS of FP32 performance, while the Steam Deck OLED GPU delivers 1.638 TFLOPS. The RX 7400 OEM is 4.8x faster in FP32.

Q: How do memory bandwidth and capacity compare?

A: The Steam Deck OLED GPU has 16 GB of LPDDR5 memory with 176.0 GB/s bandwidth. The RX 7400 OEM has 8 GB of GDDR6 memory with 172.8 GB/s bandwidth. The Steam Deck OLED GPU has 2x the capacity and 1.9% more bandwidth.

Q: Which GPU has more render output units?

A: The RX 7400 OEM has 64 ROPs, while the Steam Deck OLED GPU has 16 ROPs. This gives the RX 7400 OEM a 4x advantage in pixel throughput, reflected in its 70.40 GPixel/s versus 25.60 GPixel/s pixel rate.

Q: What are the power consumption differences?

A: The RX 7400 OEM has a TDP of 55 W and requires a 250 W power supply. The Steam Deck OLED GPU has a TDP of 15 W and no listed power supply requirement. The Steam Deck OLED GPU consumes 73% less power.

Q: Do both GPUs support the same graphics APIs?

A: Both support DirectX 12 Ultimate (12_2) and OpenGL 4.6. The RX 7400 OEM supports Vulkan 1.4, while the Steam Deck OLED GPU supports Vulkan 1.3.

Q: What is the architectural generation difference?

A: The RX 7400 OEM uses RDNA 3.0 on the Navi 33 chip, while the Steam Deck OLED GPU uses RDNA 2.0 on the Sephiroth chip. Both are fabricated on a 6 nm TSMC process.

The Verdict

The data indicates two GPUs designed for entirely different roles. The RX 7400 OEM is a discrete desktop graphics card with 3.5x the shading units, 4x the ROPs, and 4.8x the FP32 throughput of the Steam Deck OLED GPU. It is the clear choice for anyone needing maximum rasterization performance, ray tracing capability, or compute throughput in a desktop system. Its 55 W TDP and single-slot design make it a low-power discrete option, but it still requires a 250 W power supply and a PCIe 4.0 x8 slot.

The Steam Deck OLED GPU is a console integrated GPU optimized for a 15 W power envelope. It has 2x the memory capacity of the RX 7400 OEM (16 GB versus 8 GB) and slightly higher memory bandwidth. Its higher base and boost clocks (1000 MHz and 1600 MHz versus 330 MHz and 1100 MHz) show a design tuned for sustained performance within a strict power limit. The 2:1 FP16 ratio provides an efficiency advantage in half-precision workloads. The Steam Deck OLED GPU is the appropriate choice for portable or embedded applications where power consumption is the primary constraint.

Benchmark results are absent from the database, so the comparison rests on architectural specifications. The recorded data shows the RX 7400 OEM as the superior performer in every compute and rendering metric, while the Steam Deck OLED GPU wins on memory capacity, power efficiency, and portability. The percentile ranking for both is 50, indicating neither is exceptional within the full GPU landscape. The RX 7400 OEM's release date of 2025-08-07 makes it a newer product than the Steam Deck OLED GPU's 2023-11-08 launch. The RX 7400 OEM has a predecessor (Navi II) and successor (Navi IV), while the Steam Deck OLED GPU has neither.