AMD Ryzen Z2 A GPU vs NVIDIA GeForce RTX 5070 Comparison

FAQ

Q: What are the core architectural generations of these two GPUs?

A: The AMD Ryzen Z2 A GPU is based on the Van Gogh chip using RDNA 2.0 architecture, while the NVIDIA GeForce RTX 5070 uses the GB205 chip with Blackwell 2.0 architecture.

Q: How do the process nodes compare between the two products?

A: The AMD part is built on TSMC's 7 nm process, while the NVIDIA GPU uses a 5 nm process from the same foundry. The transistor density figures confirm the gap: 14.7M transistors per mm² for AMD versus 118.3M per mm² for NVIDIA.

Q: What is the memory configuration difference?

A: The AMD Ryzen Z2 A GPU has 16 GB of LPDDR5 memory on a 128-bit bus with 102.4 GB/s bandwidth. The RTX 5070 has 12 GB of GDDR7 memory on a 192-bit bus with 672.0 GB/s bandwidth.

Q: Which GPU has higher raw FP32 compute throughput?

A: The RTX 5070 delivers 30.87 TFLOPS of FP32 performance, which is substantially higher than the AMD part's 1.638 TFLOPS. The NVIDIA GPU also handles FP16 at the same 30.87 TFLOPS rate (1:1), while AMD's FP16 is 3.277 TFLOPS (2:1).

Q: What do the benchmark percentile rankings show?

A: The RTX 5070 sits at the 82nd percentile among all GPUs in the database, while the AMD Ryzen Z2 A GPU is at the 50th percentile. The NVIDIA card's average benchmark score is 40,377, and its nearest rivals include the AMD Radeon Pro 580 (0.1% ahead) and AMD Radeon Pro WX 7100 (0.8% ahead).

Q: Do both GPUs support the same graphics APIs?

A: Both support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. Feature-level API compatibility is identical, though the underlying hardware capabilities differ significantly.

Architecture Differences

The architectural divide between these two GPUs is enormous. The AMD Ryzen Z2 A GPU uses the Van Gogh chip, a 7 nm design with 2,400 million transistors on a 163 mm² die. The NVIDIA GeForce RTX 5070 uses the GB205 chip, a 5 nm design with 31,100 million transistors on a 263 mm² die. That means NVIDIA packs roughly 13 times more transistors into a die only about 60% larger, which explains the massive performance gap.

Shading hardware tells a similar story. The AMD part has 512 shading units, 32 texture mapping units, and 16 ROPs. The RTX 5070 has 6,144 shading units, 192 TMUs, and 80 ROPs. In every unit count, NVIDIA holds a commanding lead, roughly 12x in shaders, 6x in TMUs, and 5x in ROPs.

Ray tracing hardware is also lopsided. The AMD GPU has 8 RT cores, while the RTX 5070 has 48 RT cores. The NVIDIA part additionally includes 192 tensor cores, which the AMD chip lacks entirely. This makes the RTX 5070 the only one of the pair with dedicated AI acceleration hardware.

Clock behavior differs as well. The AMD GPU runs at a 1000 MHz base and 1600 MHz boost, while the RTX 5070 operates at 2325 MHz base and 2512 MHz boost. The NVIDIA chip sustains much higher frequencies despite packing far more transistors, a direct benefit of the denser 5 nm process.

Memory architecture is not just a capacity difference. AMD uses LPDDR5 at 800 MHz (6.4 Gbps effective) across a 128-bit bus, yielding 102.4 GB/s. NVIDIA uses GDDR7 at 1750 MHz (28 Gbps effective) across a 192-bit bus, yielding 672.0 GB/s. The bandwidth advantage is roughly 6.6x for NVIDIA.

Power envelopes diverge sharply. The AMD Ryzen Z2 A GPU is rated at 15 W TDP, while the RTX 5070 is rated at 250 W. This is a 16.7x difference in power draw, which places the AMD part in the low-power embedded or handheld space and the NVIDIA card in the desktop discrete segment. The RTX 5070 also requires a 16-pin power connector and a 600 W suggested PSU, while the AMD part lists no power connectors and no PSU recommendation.

Physical design reinforces the product class difference. The RTX 5070 is a dual-slot card measuring 245 mm by 115 mm by 40 mm, with a PCIe 5.0 x16 interface. The AMD part has no listed dimensions, slot width, or bus interface, but its single USB Type-C display output and 15 W TDP indicate a compact, integrated solution. The NVIDIA card offers 1x HDMI 2.1b and 3x DisplayPort 2.1b outputs.

Head-to-Head Benchmarks

The recorded database contains no shared benchmark entries between the two GPUs. The AMD Ryzen Z2 A GPU has no benchmark scores listed at all. The RTX 5070, by contrast, has ten recorded test results across multiple suites. This absence of overlapping measurements makes a direct per-test comparison impossible, but the available data still allows for a meaningful assessment of the NVIDIA card's absolute standing.

The RTX 5070 scores 5,077 in 3DMark Steel Nomad DX12, 172,660 in Geekbench OpenCL, and 178,923 in Geekbench Vulkan. In Passmark tests, it records 180 in DirectX 10, 277 in DirectX 11, 108 in DirectX 12, and 320 in DirectX 9. The Passmark G3D score is 29,137, with a GPU compute score of 15,787 and a G2D score of 1,305.

The average benchmark score for the RTX 5070 is 40,377. Its nearest rivals in the database are all professional or mobile-class GPUs with similar average scores: the AMD Radeon Pro 580 at 40,318 (0.1% behind), the AMD Radeon Pro WX 7100 at 40,063 (0.8% behind), and the AMD Radeon Pro 5300 at 40,870 (1.2% ahead). The NVIDIA RTX A500 Mobile trails at 39,568, which is 2% behind the RTX 5070.

These rival comparisons indicate that the RTX 5070 sits within a narrow performance band around the 40,000 average score mark. Its 82nd percentile ranking places it well above the median GPU in the database, and its margin over the RTX A500 Mobile shows a clear, if modest, lead over at least one mobile workstation part.

The AMD Ryzen Z2 A GPU's 50th percentile ranking, with no benchmark scores recorded, places it at the median of all GPUs in the database by percentile. Without any direct measurements, the data cannot quantify its performance against the RTX 5070. The specification gap, however, is stark enough to define the relationship: FP32 throughput differs by a factor of roughly 19, and memory bandwidth differs by a factor of roughly 6.6.

Specification Differences

The two GPUs differ across nearly every measurable specification.

Process and die: 7 nm with 2,400 million transistors on 163 mm² for AMD versus 5 nm with 31,100 million transistors on 263 mm² for NVIDIA. Transistor density is 14.7M per mm² versus 118.3M per mm².

Clocks: AMD runs at 1000 MHz base and 1600 MHz boost with memory at 800 MHz (6.4 Gbps effective). NVIDIA runs at 2325 MHz base and 2512 MHz boost with memory at 1750 MHz (28 Gbps effective).

Memory: 16 GB LPDDR5 on a 128-bit bus with 102.4 GB/s bandwidth versus 12 GB GDDR7 on a 192-bit bus with 672.0 GB/s bandwidth.

Compute units: 512 shading units, 32 TMUs, 16 ROPs, 8 RT cores, no tensor cores versus 6,144 shading units, 192 TMUs, 80 ROPs, 48 RT cores, 192 tensor cores.

Rates: Pixel rate is 25.60 GPixel/s versus 201.0 GPixel/s. Texture rate is 51.20 GTexel/s versus 482.3 GTexel/s. FP32 is 1.638 TFLOPS versus 30.87 TFLOPS. FP16 is 3.277 TFLOPS (2:1) versus 30.87 TFLOPS (1:1).

Power and physical: 15 W TDP versus 250 W TDP. The NVIDIA card is dual-slot, 245 mm long, 115 mm tall, 40 mm wide, with a 16-pin connector and 600 W suggested PSU. The AMD part lists no slot width, dimensions, connectors, or PSU. The RTX 5070 uses PCIe 5.0 x16; the AMD part lists no bus interface.

Display outputs: 1x USB Type-C for AMD versus 1x HDMI 2.1b and 3x DisplayPort 2.1b for NVIDIA.

Release timing: The AMD part was released on 2024-12-31, and the RTX 5070 on 2025-03-03. The RTX 5070 lists a predecessor (GeForce 40) and successor (GeForce 60), while the AMD part lists neither.

Launch MSRP: The RTX 5070 has a launch MSRP of 549 USD. The AMD part has no listed MSRP.

The Verdict

The data defines a clear product hierarchy. The NVIDIA GeForce RTX 5070 is a high-end discrete desktop GPU with a 250 W power envelope, 30.87 TFLOPS of FP32 compute, 672.0 GB/s of memory bandwidth, and an 82nd percentile ranking. Its benchmark scores place it in a competitive band with professional workstation cards like the AMD Radeon Pro 580 and Radeon Pro WX 7100, with margins of 0.1% and 0.8% respectively.

The AMD Ryzen Z2 A GPU is a 15 W part with 1.638 TFLOPS of FP32 compute and 102.4 GB/s of bandwidth. Its 50th percentile ranking places it at the median of all GPUs in the database, but the lack of any recorded benchmark scores means its practical performance cannot be verified from the database alone. The specification comparison, however, shows a massive gulf in raw throughput, memory bandwidth, and feature hardware.

The RTX 5070 is the appropriate choice for workloads that demand high FP32 throughput, ray tracing with 48 RT cores, tensor core acceleration, and high-bandwidth GDDR7 memory. The AMD Ryzen Z2 A GPU is the appropriate choice for low-power, compact systems where 15 W TDP and a single USB Type-C output are acceptable constraints. The two products serve fundamentally different segments, and the recorded data does not place them in direct competition.

Where Each One Wins

NVIDIA GeForce RTX 5070 wins on raw compute. Its 30.87 TFLOPS FP32 and FP16 performance dwarf the AMD part's 1.638 TFLOPS FP32 and 3.277 TFLOPS FP16. The pixel rate advantage, 201.0 GPixel/s versus 25.60 GPixel/s, and texture rate advantage, 482.3 GTexel/s versus 51.20 GTexel/s, confirm dominance in fill-rate-bound workloads.

NVIDIA GeForce RTX 5070 wins on memory throughput. The 672.0 GB/s bandwidth is roughly 6.6x the AMD part's 102.4 GB/s. The GDDR7 memory type and 192-bit bus provide a wider, faster data path than the LPDDR5 and 128-bit bus on the AMD side.

NVIDIA GeForce RTX 5070 wins on feature hardware. The 48 RT cores and 192 tensor cores provide dedicated ray tracing and AI acceleration, neither of which the AMD part can match with its 8 RT cores and no tensor cores.

NVIDIA GeForce RTX 5070 wins on benchmark standing. The 82nd percentile ranking and average score of 40,377, with rivals within 2% in either direction, demonstrate verified performance in the database. The AMD part has no recorded scores.

AMD Ryzen Z2 A GPU wins on power efficiency. The 15 W TDP is 16.7x lower than the RTX 5070's 250 W. This makes the AMD part viable for power-constrained or passively cooled designs.

AMD Ryzen Z2 A GPU wins on memory capacity. The 16 GB of LPDDR5 exceeds the RTX 5070's 12 GB of GDDR7, which may matter for workloads with large working sets that fit within the slower bandwidth.

AMD Ryzen Z2 A GPU wins on simplicity. A single USB Type-C display output and no power connector requirements indicate a lower system integration burden compared to the RTX 5070's dual-slot card with a 16-pin connector and 600 W suggested PSU.