AMD Ryzen Z2 GPU vs NVIDIA GeForce RTX 4070 SUPER Comparison

AMD Ryzen Z2 GPU and NVIDIA GeForce RTX 4070 SUPER represent opposite ends of the graphics hardware spectrum, one designed as a low-power console-class processor and the other as a high-throughput desktop add-in card. The recorded data shows a stark performance gulf, with the RTX 4070 SUPER occupying the 83rd percentile of all GPUs in the database, while the Ryzen Z2 GPU sits at the 50th percentile. The Ryzen Z2 GPU carries no benchmark entries in the database, whereas the RTX 4070 SUPER has ten recorded scores across DirectX, OpenCL, Vulkan, and compute workloads. This analysis relies strictly on the architectural specifications and the RTX 4070 SUPER's measured results to frame the comparison.

Where Each One Wins

The AMD Ryzen Z2 GPU wins exclusively in power efficiency and integration. Its thermal design power is recorded at 28 W, compared to 220 W for the RTX 4070 SUPER, and it requires no external power connectors, drawing solely from the host system. The Ryzen Z2 GPU uses a 4 nm TSMC process with 25,390 million transistors on a 178 mm² die, delivering a transistor density of 142.6 million per square millimeter, which is higher than the RTX 4070 SUPER's 121.8 million per square millimeter. The Z2 GPU also offers 16 GB of LPDDR5X memory on a 128-bit bus, exceeding the RTX 4070 SUPER's 12 GB of GDDR6X on a 192-bit bus in capacity, though the bandwidth is dramatically lower at 119.9 GB/s versus 504.2 GB/s. The Z2 GPU's display output is a single USB Type-C port, indicating a mobile or embedded form factor, whereas the RTX 4070 SUPER provides 1x HDMI 2.1 and 3x DisplayPort 1.4a.

The NVIDIA GeForce RTX 4070 SUPER wins in every raw compute category. It has 7,168 shading units against 768 for the Z2 GPU, 224 texture mapping units versus 48, and 80 render output units against 32. Its FP32 throughput is 35.48 TFLOPS, which is more than four times the Z2 GPU's 8.294 TFLOPS. The RTX 4070 SUPER also has 56 ray tracing cores and 224 tensor cores, compared to 12 RT cores and no tensor cores on the Z2 GPU. Pixel rate reaches 198.0 GPixel/s versus 86.40 GPixel/s, and texture rate hits 554.4 GTexel/s against 129.6 GTexel/s. Across all recorded benchmark suites, the RTX 4070 SUPER dominates, with a highest single-test score of 205,624 in Geekbench Vulkan and a Passmark G3D score of 29,995.

The Verdict

The data indicates the RTX 4070 SUPER is the clear choice for any workload requiring high frame rates, ray tracing, or compute acceleration on a desktop platform. Its average benchmark score of 43,223 places it within 1% of the NVIDIA Quadro M6000 24 GB and the RTX 5050 Mobile, and only 1% behind the RTX 4090 Mobile. The RTX 4070 SUPER also supports PCIe 4.0 x16, a dual-slot cooler, and a recommended 550 W power supply, making it suitable for full-sized desktop systems. Its 12 GB GDDR6X memory, while smaller in capacity, provides 504.2 GB/s of bandwidth, which is essential for high-resolution texture streaming and 1440p or 4K gaming.

The Ryzen Z2 GPU is the only viable option for ultra-low-power, fanless, or battery-constrained designs. Its 28 W TDP, lack of power connectors, and single USB Type-C output target handheld consoles, thin laptops, or embedded systems where the RTX 4070 SUPER's 220 W TDP and 267 mm length are physically impossible. The Z2 GPU's 16 GB LPDDR5X memory gives it a capacity advantage for memory-hungry integrated workloads, but its 119.9 GB/s bandwidth severely limits data movement. For users who need a self-contained GPU solution without a discrete power supply, the Z2 GPU is the only choice in this comparison, but for anyone with a desktop slot and a 550 W PSU, the RTX 4070 SUPER delivers an order-of-magnitude more compute.

Head-to-Head Benchmarks

The database contains no direct head-to-head benchmark entries between these two GPUs, and the Ryzen Z2 GPU has zero recorded benchmark scores. The comparison therefore rests on the RTX 4070 SUPER's measured results and the architectural disparity. The RTX 4070 SUPER's Passmark G3D score of 29,995 indicates a high-end desktop GPU, while its Passmark GPU Compute score of 17,108 confirms strong general-purpose throughput. In Geekbench OpenCL, it scores 172,795, and in Geekbench Vulkan, it reaches 205,624, the highest single figure in its benchmark set.

The FP32 throughput gap is the most telling metric. The RTX 4070 SUPER delivers 35.48 TFLOPS, which is 4.28 times the Z2 GPU's 8.294 TFLOPS. Texture rate shows an even larger disparity: 554.4 GTexel/s versus 129.6 GTexel/s, a factor of 4.28 as well, consistent with the same architectural ratio. Pixel rate differs by a factor of 2.29, at 198.0 GPixel/s versus 86.40 GPixel/s, because the Z2 GPU's higher boost clock of 2700 MHz partially compensates for its fewer ROPs. The RTX 4070 SUPER's 56 RT cores and 224 tensor cores give it dedicated hardware for ray tracing and AI acceleration, which the Z2 GPU lacks entirely. Memory bandwidth presents a 4.2x advantage for the RTX 4070 SUPER, with 504.2 GB/s against 119.9 GB/s, despite the Z2 GPU's larger 16 GB pool.

FAQ

Q: Which GPU has higher memory bandwidth?

A: The NVIDIA GeForce RTX 4070 SUPER has 504.2 GB/s of bandwidth from its 192-bit GDDR6X interface, compared to 119.9 GB/s from the AMD Ryzen Z2 GPU's 128-bit LPDDR5X interface.

Q: What is the transistor density difference between the two chips?

A: The AMD Ryzen Z2 GPU uses a 4 nm TSMC process and achieves 142.6 million transistors per square millimeter, while the RTX 4070 SUPER uses a 5 nm TSMC process with 121.8 million transistors per square millimeter.

Q: Which GPU has more shading units?

A: The RTX 4070 SUPER has 7,168 shading units, while the Ryzen Z2 GPU has 768, a ratio of 9.3 to 1.

Q: What is the power consumption difference?

A: The Ryzen Z2 GPU has a TDP of 28 W and no power connectors, while the RTX 4070 SUPER has a TDP of 220 W and requires a single 16-pin connector with a suggested 550 W power supply.

Q: Does the RTX 4070 SUPER support ray tracing?

A: Yes, it has 56 ray tracing cores and 224 tensor cores. The Ryzen Z2 GPU has 12 ray tracing cores and no tensor cores.

Q: What is the release timeline for each GPU?

A: The Ryzen Z2 GPU was released on 2024-12-31, and the RTX 4070 SUPER was released on 2024-01-16. The RTX 4070 SUPER is listed as end-of-life, while the Z2 GPU is active.

Architecture Differences

The AMD Ryzen Z2 GPU is built on the RDNA 3.0 architecture with the Hawk Point chip, fabricated on a 4 nm process at TSMC. It uses 25,390 million transistors across a 178 mm² die, yielding a density of 142.6 million per square millimeter. The chip has 768 shading units, 48 TMUs, 32 ROPs, and 12 RT cores, with no tensor cores. Its base clock is 800 MHz with a boost of 2700 MHz, and memory runs at 937 MHz with 7.5 Gbps effective speed. The 16 GB LPDDR5X memory is configured on a 128-bit bus. FP32 and FP16 performance are both 8.294 TFLOPS, indicating a 1:1 ratio. The GPU supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. It has a single USB Type-C display output and no bus interface listed, reflecting its console or embedded orientation.

The NVIDIA GeForce RTX 4070 SUPER uses the Ada Lovelace architecture with the AD104 chip, on a 5 nm TSMC process with 35,800 million transistors on a 294 mm² die. Its density is 121.8 million per square millimeter. The GPU has 7,168 shading units, 224 TMUs, 80 ROPs, 56 RT cores, and 224 tensor cores. Base clock is 1980 MHz with a boost of 2475 MHz, and memory is 1313 MHz with 21 Gbps effective. The 12 GB GDDR6X memory uses a 192-bit bus. FP32 and FP16 both reach 35.48 TFLOPS. It supports the same API set as the Z2 GPU, plus a PCIe 4.0 x16 interface, a dual-slot cooler, 1x HDMI 2.1, and 3x DisplayPort 1.4a. Its predecessor is listed as GeForce 30, and its successor is GeForce 50. The launch MSRP for the RTX 4070 SUPER is 599 USD.