AMD Ryzen Z2 Go GPU vs NVIDIA GeForce RTX 4090 D Comparison

Head-to-Head Benchmarks

The benchmark database contains no direct head-to-head test results for the AMD Ryzen Z2 Go GPU against the NVIDIA GeForce RTX 4090 D. The data instead shows a massive performance gap defined by the recorded scores and the position of each part in the overall GPU distribution.

The AMD Ryzen Z2 Go GPU has no benchmark entries in the database and a percentile rank of 50 among all GPUs. Its average benchmark score is recorded as 0, which reflects the absence of measured results rather than a literal performance of zero. The NVIDIA GeForce RTX 4090 D, by contrast, has three recorded benchmark scores. In 3DMark Steel Nomad DX12 it scores 8587. In Geekbench OpenCL it scores 278621. In Geekbench Vulkan it scores 246941. Its average benchmark score across these tests is 178050, and it sits at the 98th percentile among all GPUs.

The RTX 4090 D's nearest rivals in the database provide context for its score. The NVIDIA RTX PRO 5000 Blackwell averages 182109, which is 2.2 percent higher than the RTX 4090 D. The NVIDIA A100 SXM4 80 GB averages 183725, 3.1 percent higher. The NVIDIA RTX 5000 Ada Generation averages 184664, 3.6 percent higher. The NVIDIA A100 SXM4 40 GB averages 187147, 4.9 percent higher. The RTX 4090 D trails all four of these rivals by single-digit percentages, indicating that its measured performance places it just below the top tier of professional and flagship compute GPUs.

No wins are recorded for either part in the head-to-head table. The AMD Ryzen Z2 Go GPU has no scores to compare, while the RTX 4090 D's scores stand alone. The practical interpretation from the data is clear: the RTX 4090 D delivers an enormous compute advantage, with 73.54 TFLOPS FP32 versus 4.147 TFLOPS for the AMD part, and 1.01 TB/s memory bandwidth versus 102.4 GB/s. The RTX 4090 D also has 14592 shading units against 768, 456 texture mapping units against 48, and 176 raster output units against 32.

Where Each One Wins

The AMD Ryzen Z2 Go GPU wins only in the categories where its design priorities align. It consumes 28 W versus 425 W for the RTX 4090 D. It requires no power connectors, while the RTX 4090 D uses a 16-pin connector and a suggested 800 W power supply. The AMD part is built for low-power, integrated-style deployment with a single USB Type-C display output. Its 16 GB of LPDDR5 memory on a 128-bit bus provides 102.4 GB/s of bandwidth, which is modest but functional for its power envelope. Its base clock of 800 MHz and boost of 2700 MHz give it a wide operating range, and its 12 ray tracing cores offer some RT capability despite the low overall throughput.

The NVIDIA GeForce RTX 4090 D wins decisively in raw compute, memory capacity, memory bandwidth, and feature set. It has 24 GB of GDDR6X memory on a 384-bit bus with 1.01 TB/s bandwidth. Its 114 ray tracing cores and 456 tensor cores provide dedicated hardware for RT and AI workloads. Its FP16 throughput is 73.54 TFLOPS at a 1:1 ratio with FP32, meaning it does not gain a half-precision advantage but maintains full-rate FP16 compute. The AMD part's FP16 is 8.294 TFLOPS at a 2:1 ratio, which means half-precision is double the FP32 rate, a typical console-oriented design.

The use-case split is stark. The RTX 4090 D is for heavy rasterization, ray tracing, AI inference, and high-resolution content creation. The AMD Ryzen Z2 Go GPU is for low-power embedded or handheld-class graphics where the 28 W envelope and lack of external power connectors are the defining constraints. The database shows the RTX 4090 D at the 98th percentile and the AMD part at the 50th percentile, a separation that reflects their entirely different market positions.

FAQ

Q: Which GPU has the higher FP32 compute throughput?

A: The NVIDIA GeForce RTX 4090 D delivers 73.54 TFLOPS FP32, while the AMD Ryzen Z2 Go GPU delivers 4.147 TFLOPS FP32. The RTX 4090 D is about 17.7 times higher in this metric, based on the recorded specifications.

Q: What is the memory bandwidth difference?

A: The RTX 4090 D has 1.01 TB/s bandwidth from 24 GB of GDDR6X on a 384-bit bus. The AMD Ryzen Z2 Go GPU has 102.4 GB/s from 16 GB of LPDDR5 on a 128-bit bus. The NVIDIA part provides roughly 9.9 times the bandwidth.

Q: Does the AMD Ryzen Z2 Go GPU have any benchmark scores in the database?

A: No. The AMD part has an empty benchmark array, an average score of 0, and a 50th percentile rank. The RTX 4090 D has three recorded scores: 8587 in 3DMark Steel Nomad DX12, 278621 in Geekbench OpenCL, and 246941 in Geekbench Vulkan.

Q: How does the RTX 4090 D compare to its nearest rivals in the database?

A: The RTX 4090 D trails the NVIDIA RTX PRO 5000 Blackwell by 2.2 percent, the NVIDIA A100 SXM4 80 GB by 3.1 percent, the NVIDIA RTX 5000 Ada Generation by 3.6 percent, and the NVIDIA A100 SXM4 40 GB by 4.9 percent in average benchmark score.

Q: What are the power requirements for each GPU?

A: The AMD Ryzen Z2 Go GPU has a TDP of 28 W and no power connectors. The NVIDIA GeForce RTX 4090 D has a TDP of 425 W, uses one 16-pin power connector, and has a suggested power supply of 800 W.

Q: Which GPU has more ray tracing cores?

A: The NVIDIA GeForce RTX 4090 D has 114 ray tracing cores. The AMD Ryzen Z2 Go GPU has 12 ray tracing cores. The NVIDIA part also has 456 tensor cores, while the AMD part has no tensor cores listed.

Specification Differences

The two GPUs differ in nearly every measured specification. The AMD Ryzen Z2 Go GPU uses 6 nm process technology from TSMC, with 13,100 million transistors on a 208 mm² die, giving a transistor density of 63.0 million per mm². The NVIDIA GeForce RTX 4090 D uses 5 nm process technology from TSMC, with 76,300 million transistors on a 609 mm² die, giving a transistor density of 125.3 million per mm². The RTX 4090 D has roughly 5.8 times the transistors and nearly 3 times the die area.

Clock speeds differ in direction. The AMD part has a base clock of 800 MHz and a boost of 2700 MHz. The RTX 4090 D has a base of 2280 MHz and a boost of 2520 MHz. The AMD part's boost is higher than the NVIDIA part's boost, but the NVIDIA part's base clock is much higher. Memory clocks differ as well: the AMD part runs at 800 MHz with 6.4 Gbps effective, while the RTX 4090 D runs at 1313 MHz with 21 Gbps effective.

Memory configs are completely different. The AMD part uses 16 GB LPDDR5 on a 128-bit bus for 102.4 GB/s. The RTX 4090 D uses 24 GB GDDR6X on a 384-bit bus for 1.01 TB/s. The compute units scale accordingly: 768 shading units, 48 TMUs, 32 ROPs, and 12 RT cores for the AMD part versus 14592 shading units, 456 TMUs, 176 ROPs, and 114 RT cores for the NVIDIA part. The RTX 4090 D also has 456 tensor cores, which the AMD part lacks entirely.

Pixel and texture rates reflect the same gap. The AMD part achieves 86.40 GPixel/s and 129.6 GTexel/s. The RTX 4090 D achieves 443.5 GPixel/s and 1,149.1 GTexel/s. The NVIDIA part is roughly 5.1 times higher in pixel rate and 8.9 times higher in texture rate.

Physical and electrical specs differ as well. The RTX 4090 D is a triple-slot card measuring 304 mm long, 137 mm high, and 61 mm wide. It uses a 16-pin power connector and requires an 800 W power supply. The AMD part has no slot width, no dimensions, no power connectors, and a single USB Type-C display output. The RTX 4090 D offers one HDMI 2.1 and three DisplayPort 1.4a outputs. The AMD part's production status is active; the RTX 4090 D is end-of-life.

Both GPUs support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The RTX 4090 D uses a PCIe 4.0 x16 interface; the AMD part has no bus interface listed.

Architecture Differences

The AMD Ryzen Z2 Go GPU uses the Rembrandt+ chip with RDNA 2.0 architecture, built on a 6 nm TSMC process. It is classified as a console GPU in the database. Its FP16 throughput is 8.294 TFLOPS at a 2:1 ratio, meaning it doubles FP32 throughput when operating in half precision. This is typical of graphics-oriented architectures that prioritize shader work over compute-style FP16 acceleration.

The NVIDIA GeForce RTX 4090 D uses the AD102 chip with Ada Lovelace architecture, built on a 5 nm TSMC process. It belongs to the GeForce 40-series and the GeForce 40 generation. Its FP16 throughput is 73.54 TFLOPS at a 1:1 ratio with FP32, meaning it does not double throughput in half precision. This design prioritizes consistent compute throughput across precisions, which suits AI and scientific workloads that rely on FP16 or FP32 tensor operations.

The RTX 4090 D includes 456 tensor cores, a feature absent from the AMD part. These tensor cores enable dedicated AI acceleration, which the database records through the RTX 4090 D's strong Geekbench OpenCL and Vulkan scores. The AMD part has no tensor core count listed, indicating no equivalent hardware.

Ray tracing hardware differs in scale. The AMD part has 12 RT cores, which is a minimal allocation for a 28 W part. The RTX 4090 D has 114 RT cores, a 9.5 times difference. The AMD part's RT capability exists but is clearly not designed for heavy RT workloads. The RTX 4090 D's RT core count aligns with its position at the 98th percentile of all GPUs.

The RDNA 2.0 architecture in the AMD part is a previous-generation design from AMD, while Ada Lovelace is NVIDIA's current-generation architecture for this product tier. The 6 nm node for Rembrandt+ contrasts with the 5 nm node for AD102. Transistor density also differs: 63.0 million per mm² for the AMD part versus 125.3 million per mm² for the NVIDIA part, indicating a much denser design in the AD102 chip.

The RTX 4090 D's predecessor is listed as GeForce 30 and its successor as GeForce 50, placing it in a clear generational line. The AMD part has no predecessor or successor listed. The RTX 4090 D was released on 2023-12-27 and is end-of-life. The AMD part was released on 2024-12-31 and is active.

The Verdict

The data points to two entirely different products. The AMD Ryzen Z2 Go GPU is a low-power console-class GPU with 28 W TDP, no power connectors, and a single USB Type-C output. It is designed for systems where power draw and physical footprint are the primary constraints. Its 16 GB LPDDR5 memory and 102.4 GB/s bandwidth are sufficient for light rendering and basic compute, but its 4.147 TFLOPS FP32 and 12 RT cores place it at the 50th percentile of all GPUs.

The NVIDIA GeForce RTX 4090 D is a flagship desktop GPU at the 98th percentile. Its 73.54 TFLOPS FP32, 1.01 TB/s bandwidth, 114 RT cores, and 456 tensor cores make it a compute powerhouse. Its three benchmark scores, averaging 178050, show it performing just a few percentage points behind the top professional GPUs in the database. It is a triple-slot, 425 W card that requires an 800 W power supply and a 16-pin connector.

A builder should choose the AMD Ryzen Z2 Go GPU when the system must operate within a 28 W power envelope, with no external power connectors, and when a single USB-C display output suffices. It is a part for compact, low-power designs where the GPU's performance is secondary to its efficiency.

A builder should choose the NVIDIA GeForce RTX 4090 D when maximum compute throughput, memory bandwidth, ray tracing, and AI acceleration are required. The database shows it as a top-tier performer with scores that rival the highest-ranked GPUs. It demands the physical space of a triple-slot card, the power of a 425 W TDP, and the infrastructure of an 800 W power supply.

The recorded data does not support a direct comparison of these two parts in the same system. They occupy opposite ends of the GPU spectrum: one at 28 W with no power connectors, the other at 425 W with a dedicated 16-pin connector and an 800 W suggested PSU. The choice depends entirely on the target platform and workload.