AMD Ryzen Z2 A GPU vs NVIDIA GeForce RTX 4070 GDDR6 Comparison

The AMD Ryzen Z2 A GPU and the NVIDIA GeForce RTX 4070 GDDR6 occupy opposite ends of the graphics spectrum, and the recorded data reflects that divide in nearly every measurable category. The Z2 A is a 15 W console-class part built on RDNA 2.0, while the RTX 4070 GDDR6 is a 200 W desktop card using Ada Lovelace. The benchmark database shows one side delivering a single 3DMark Steel Nomad score, while the other relies on architectural and specification comparisons to establish its position.

Head-to-Head Benchmarks

The only direct benchmark result in the database belongs to the NVIDIA GeForce RTX 4070 GDDR6. Its 3DMark Steel Nomad DX12 score is 4334.5, with an average benchmark score of 4335. The AMD Ryzen Z2 A GPU has no recorded benchmark scores, and its average benchmark score is 0. This means the Z2 A cannot be compared numerically to the RTX 4070 GDDR6 in any head-to-head test, as the database lists zero wins for the AMD part and zero wins for the NVIDIA part.

The RTX 4070 GDDR6's nearest rivals in the database provide context for its performance level. The Intel Iris Pro Graphics 5200 scores 4360, which is 0.6% higher than the RTX 4070 GDDR6. The NVIDIA GeForce 930M scores 4388, putting it 1.2% ahead. On the other side, the AMD FirePro W2100 scores 4295, which is 0.9% lower, and the NVIDIA GeForce GTX 460M scores 4282, which is 1.2% lower. These deltas show the RTX 4070 GDDR6 sitting in a narrow band around 4300 to 4350 points, with its closest competitor, the Iris Pro Graphics 5200, being virtually tied at a 0.6% gap.

The RTX 4070 GDDR6's percentile rank of 25 among all GPUs in the database indicates that it sits above only a quarter of the recorded graphics processors. This percentile is notably low for a modern desktop card, but the database only contains one benchmark run for this specific model, which limits its statistical standing. The AMD Ryzen Z2 A GPU holds a percentile rank of 50, but with no benchmark scores behind it, that percentile reflects the part's position in the database hierarchy rather than any measured performance.

Given the absence of head-to-head results, the performance comparison rests entirely on the specification sheet. The RTX 4070 GDDR6 delivers 29.15 TFLOPS of FP32 compute, while the Z2 A delivers 1.638 TFLOPS. The FP16 figures show a similar chasm: the RTX 4070 GDDR6 achieves 29.15 TFLOPS at a 1:1 ratio, while the Z2 A achieves 3.277 TFLOPS at a 2:1 ratio. The pixel rate for the RTX 4070 GDDR6 is 158.4 GPixel/s versus 25.60 GPixel/s for the Z2 A, and the texture rate is 455.4 GTexel/s versus 51.20 GTexel/s. These are the largest wins for the NVIDIA card, with the RTX 4070 GDDR6 offering roughly 17.8 times the FP32 throughput, 6.2 times the pixel rate, and 8.9 times the texture rate.

FAQ

Q: Which GPU has a higher benchmark score in the database?

A: The NVIDIA GeForce RTX 4070 GDDR6 has a recorded 3DMark Steel Nomad DX12 score of 4334.5. The AMD Ryzen Z2 A GPU has no benchmark scores listed, so it cannot be numerically compared.

Q: What is the memory bandwidth difference between the two cards?

A: The RTX 4070 GDDR6 provides 480.0 GB/s of bandwidth using a 192-bit GDDR6 interface with 12 GB of memory. The Z2 A provides 102.4 GB/s using a 128-bit LPDDR5 interface with 16 GB of memory.

Q: How do the compute capabilities compare?

A: The RTX 4070 GDDR6 delivers 29.15 TFLOPS of FP32 and FP16 performance, while the Z2 A delivers 1.638 TFLOPS of FP32 and 3.277 TFLOPS of FP16 at a 2:1 ratio.

Q: Which card has more ray tracing cores?

A: The RTX 4070 GDDR6 has 46 ray tracing cores, while the Z2 A has 8 ray tracing cores.

Q: What are the power requirements for each GPU?

A: The RTX 4070 GDDR6 has a TDP of 200 W and requires a 550 W suggested power supply. The Z2 A has a TDP of 15 W and lists no power supply requirement.

Q: What is the production status of each GPU?

A: The AMD Ryzen Z2 A GPU is listed as Active, while the NVIDIA GeForce RTX 4070 GDDR6 is listed as End-of-life.

Architecture Differences

The two GPUs use fundamentally different architectures. The AMD Ryzen Z2 A GPU is built on RDNA 2.0 with the Van Gogh chip, fabricated on a 7 nm TSMC process. The NVIDIA GeForce RTX 4070 GDDR6 uses Ada Lovelace with the AD104 chip, fabricated on a 5 nm TSMC process. The process node difference is significant: the AD104 packs 35,800 million transistors into a 294 mm² die, resulting in a transistor density of 121.8 million per square millimeter. The Van Gogh chip houses 2,400 million transistors in a 163 mm² die, for a density of 14.7 million per square millimeter. This means the RTX 4070 GDDR6 has 14.9 times more transistors and a die that is 1.8 times larger, with 8.3 times the transistor density.

The architectural feature sets also diverge. The RTX 4070 GDDR6 includes 184 tensor cores and 46 ray tracing cores, while the Z2 A has no tensor cores listed and only 8 ray tracing cores. The shading unit count reinforces the gap: the RTX 4070 GDDR6 uses 5888 shading units, 184 texture mapping units, and 64 render output units, versus 512 shading units, 32 TMUs, and 16 ROPs on the Z2 A. The NVIDIA card also supports a 1:1 FP16 ratio, while the AMD part uses a 2:1 ratio, indicating different compute precision strategies.

Both cards support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, so the API compatibility is identical. The memory types differ completely: the Z2 A uses LPDDR5 at 800 MHz with 6.4 Gbps effective speed, while the RTX 4070 GDDR6 uses GDDR6 at 2500 MHz with 20 Gbps effective speed. The clock speeds reflect the power envelope difference, with the Z2 A boosting to 1600 MHz and the RTX 4070 GDDR6 boosting to 2475 MHz.

Specification Differences

The specification sheet shows differences across every major category. The process node is 7 nm for the Z2 A versus 5 nm for the RTX 4070 GDDR6. Transistor counts are 2,400 million versus 35,800 million, and die sizes are 163 mm² versus 294 mm². The base clock is 1000 MHz on the Z2 A versus 1920 MHz on the RTX 4070 GDDR6, with boost clocks of 1600 MHz versus 2475 MHz. Memory size is 16 GB of LPDDR5 versus 12 GB of GDDR6, with bus widths of 128 bit versus 192 bit. Memory bandwidth is 102.4 GB/s versus 480.0 GB/s.

Compute resources differ sharply: shading units are 512 versus 5888, TMUs are 32 versus 184, ROPs are 16 versus 64, and RT cores are 8 versus 46. The RTX 4070 GDDR6 has 184 tensor cores; the Z2 A has none. Pixel rate is 25.60 GPixel/s versus 158.4 GPixel/s, and texture rate is 51.20 GTexel/s versus 455.4 GTexel/s. FP32 performance is 1.638 TFLOPS versus 29.15 TFLOPS, and FP16 is 3.277 TFLOPS versus 29.15 TFLOPS.

The TDP is 15 W for the Z2 A versus 200 W for the RTX 4070 GDDR6. The RTX 4070 GDDR6 is a dual-slot card measuring 240 mm in length, 110 mm in height, and 40 mm in width, with a 16-pin power connector and a 550 W suggested PSU. The Z2 A has no slot width, dimensions, power connector, or PSU specifications listed. Display outputs are 1x USB Type-C for the Z2 A versus 1x HDMI 2.1 and 3x DisplayPort 1.4a for the RTX 4070 GDDR6. The bus interface is PCIe 4.0 x16 only on the RTX 4070 GDDR6. Production status is Active for the Z2 A versus End-of-life for the RTX 4070 GDDR6, and the release dates are 2024-12-31 for the Z2 A versus 2024-08-19 for the RTX 4070 GDDR6. The RTX 4070 GDDR6 has a listed launch MSRP of 599 USD.

The Verdict

The data indicates that the NVIDIA GeForce RTX 4070 GDDR6 is the higher-performing part by an enormous margin across every compute metric. Its FP32 throughput of 29.15 TFLOPS is 17.8 times that of the Z2 A, and its pixel rate of 158.4 GPixel/s is 6.2 times higher. The memory bandwidth of 480.0 GB/s is 4.7 times that of the Z2 A's 102.4 GB/s. The RTX 4070 GDDR6 also has 11.5 times the shading units, 5.75 times the TMUs, 4 times the ROPs, and 5.75 times the RT cores. Its 184 tensor cores give it a feature that the Z2 A lacks entirely.

The AMD Ryzen Z2 A GPU offers advantages in specific areas. It uses 15 W of power versus 200 W, making it suitable for constrained power environments. It has 16 GB of memory versus 12 GB, and its LPDDR5 memory type is lower-power than GDDR6. Its production status is Active, while the RTX 4070 GDDR6 is End-of-life. The Z2 A also has a smaller die size at 163 mm² versus 294 mm², which could indicate lower manufacturing costs.

The RTX 4070 GDDR6 holds a percentile rank of 25 in the database, while the Z2 A holds a percentile rank of 50. However, the Z2 A's percentile is not backed by any benchmark scores, making it an unverified ranking. The RTX 4070 GDDR6's single benchmark score of 4334.5 places it within 1.2% of its nearest rivals, which are all integrated or older mobile GPUs. This suggests the RTX 4070 GDDR6's recorded performance is modest relative to the database's full range, but its specifications indicate far higher capability than its percentile suggests.

For users who need desktop-class rendering, the RTX 4070 GDDR6 is the only choice between these two. For low-power or embedded applications where the 15 W envelope and 16 GB memory matter, the Z2 A fits that role. The RTX 4070 GDDR6 is the clear winner in raw performance, but the Z2 A's active status and lower power draw make it a relevant option for its intended segments. The database contains no head-to-head results to settle the comparison empirically, so the verdict rests on the specification differences, which favor the NVIDIA card overwhelmingly in compute, memory bandwidth, and feature set.