AMD Radeon RX 6950 XT vs NVIDIA RTX A1000 Mobile Comparison

AMD Radeon RX 6950 XT vs NVIDIA RTX A1000 Mobile

The benchmark data positions the AMD Radeon RX 6950 XT as a dominant force over the NVIDIA RTX A1000 Mobile in every recorded head-to-head test. The RX 6950 XT delivers a 323% higher score in Geekbench OpenCL and a 253.2% higher score in Geekbench Vulkan, making it the clear performance leader. The RTX A1000 Mobile, while competitive within its own power class, cannot match the desktop-class output of the RX 6950 XT in any measured workload. The data shows a decisive victory for the AMD part, with the only question being how the two GPUs fit into different use cases.

Head-to-Head Benchmarks

In the Geekbench OpenCL test, the AMD Radeon RX 6950 XT scores 205,998 points against 48,703 points for the NVIDIA RTX A1000 Mobile. This represents a delta of 323%, meaning the AMD GPU is over four times faster in raw compute throughput. The RX 6950 XT’s advantage stems from its massive shading unit count and higher clock speeds, which allow it to process far more parallel workloads per second. The RTX A1000 Mobile’s score of 48,703 is respectable for a mobile GPU, but it falls far behind in this direct comparison.

The Geekbench Vulkan test shows a similar pattern, with the RX 6950 XT scoring 165,212 points versus 46,782 points for the RTX A1000 Mobile. The delta here is 253.2%, still a massive lead for the AMD card. Vulkan workloads often favor higher bandwidth and raw compute throughput, both of which the RX 6950 XT possesses in abundance. The RTX A1000 Mobile’s lower memory bandwidth and reduced core count limit its Vulkan performance, as reflected in the 118,430-point gap between the two.

The win count is unambiguous: the RX 6950 XT wins 2 out of 2 head-to-head benchmarks, with the RTX A1000 Mobile securing zero victories. The average benchmark score for the RX 6950 XT is 58,392, placing it in the 88th percentile of all GPUs, while the RTX A1000 Mobile averages 47,743, sitting in the 85th percentile. Despite the percentile gap being narrow at 3 points, the actual score difference is substantial: 10,649 points, or roughly 22% higher for the AMD card. This suggests the RX 6950 XT outperforms its percentile ranking would imply, while the RTX A1000 Mobile’s percentile is buoyed by its efficiency rather than raw speed.

The RX 6950 XT’s nearest rivals include the NVIDIA P102-100 (delta -0.2%), Intel Arc A570M (delta 0.3%), and AMD Radeon PRO V710 (delta -0.5%). These deltas indicate the RX 6950 XT is essentially tied with these competitors, with differences under 0.5%. The RTX A1000 Mobile’s nearest rivals are the AMD Radeon RX 6800 XT (delta -1.5%), AMD Radeon RX 6550M (delta 2.2%), and Intel Arc A530M (delta 2.4%). The RTX A1000 Mobile sits slightly below the RX 6800 XT but above the mobile Radeon parts, showing it holds its own within the laptop segment.

Architecture Differences

The architectural gap between these two GPUs is fundamental. The AMD Radeon RX 6950 XT uses the Navi 21 chip on TSMC’s 7 nm process, packing 26,800 million transistors into a 520 mm² die. This yields a transistor density of 51.5M per mm². The NVIDIA RTX A1000 Mobile uses the GA107 chip on Samsung’s 8 nm process, with 8,700 million transistors on a 200 mm² die, giving a density of 43.5M per mm². The RX 6950 XT has over three times the transistor count and a larger die, explaining its superior compute capability.

The RDNA 2.0 architecture in the RX 6950 XT features 5,120 shading units, 320 texture mapping units (TMUs), and 128 render output units (ROPs). It also includes 80 ray tracing cores. In contrast, the Ampere architecture in the RTX A1000 Mobile has 2,048 shading units, 64 TMUs, and 32 ROPs, with 16 ray tracing cores and 64 tensor cores. The RX 6950 XT has no tensor cores, while the RTX A1000 Mobile includes them for AI workloads, but this does not compensate for the 3,072 shading unit deficit in raw rendering tasks.

Clock speeds further widen the gap. The RX 6950 XT runs at a base clock of 1860 MHz, a boost clock of 2310 MHz, and a game clock of 2100 MHz. The RTX A1000 Mobile operates at a base of 630 MHz and a boost of 1140 MHz, less than half the AMD card’s boost frequency. This clock difference, combined with the core count disparity, results in the RX 6950 XT achieving 23.65 TFLOPS of FP32 performance versus 4.669 TFLOPS for the RTX A1000 Mobile. The FP16 output is 47.31 TFLOPS for the AMD card (at a 2:1 ratio) and 4.669 TFLOPS for the NVIDIA card (at a 1:1 ratio).

Memory architecture is equally divergent. The RX 6950 XT has 16 GB of GDDR6 memory on a 256-bit bus, delivering 576.0 GB/s of bandwidth. The RTX A1000 Mobile has 4 GB of GDDR6 on a 128-bit bus, yielding 176.0 GB/s. This 400 GB/s bandwidth advantage for the AMD card is critical for high-resolution textures and large datasets. The pixel rate is 295.7 GPixel/s for the RX 6950 XT versus 36.48 GPixel/s for the RTX A1000 Mobile, and the texture rate is 739.2 GTexel/s versus 72.96 GTexel/s.

The Verdict

The data supports one conclusion: the AMD Radeon RX 6950 XT is the superior performer in every measured benchmark. It wins both head-to-head tests with deltas exceeding 250%, and its average benchmark score is 22% higher than the RTX A1000 Mobile’s. The RX 6950 XT’s 88th percentile ranking versus the RTX A1000 Mobile’s 85th percentile confirms its overall superiority, though the narrow percentile gap suggests the NVIDIA card is not far behind in the broader GPU landscape. However, the actual score difference of 10,649 points is decisive.

For users prioritizing raw performance in OpenCL or Vulkan workloads, the RX 6950 XT is the only rational choice. Its 323% lead in OpenCL and 253.2% lead in Vulkan leave no room for debate. The RTX A1000 Mobile, with its 60 W TDP and IGP form factor, is designed for portability and efficiency, not peak throughput. The RX 6950 XT, with its 335 W TDP and triple-slot design, is a desktop-only solution that demands a 700 W power supply and two 8-pin connectors.

The RTX A1000 Mobile does have one advantage: its tensor cores, which the RX 6950 XT lacks. For AI-specific tasks such as inference or machine learning workloads, the RTX A1000 Mobile’s 64 tensor cores provide functionality the AMD card cannot offer. However, no benchmark in the database tests this capability, so the data cannot quantify its impact. The verdict from recorded measurements is clear: the RX 6950 XT wins decisively on compute, while the RTX A1000 Mobile remains a niche product for efficiency-conscious mobile users.

FAQ

Q: Which GPU has a higher average benchmark score?

A: The AMD Radeon RX 6950 XT has an average benchmark score of 58,392, compared to 47,743 for the NVIDIA RTX A1000 Mobile, a difference of 10,649 points.

Q: How large is the RX 6950 XT’s lead in OpenCL performance?

A: The RX 6950 XT scores 205,998 in Geekbench OpenCL, which is 323% higher than the RTX A1000 Mobile’s score of 48,703.

Q: Does the RTX A1000 Mobile win any benchmarks against the RX 6950 XT?

A: No, the RTX A1000 Mobile wins zero out of two head-to-head benchmarks. The RX 6950 XT wins both the Geekbench OpenCL and Geekbench Vulkan tests.

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

A: The RX 6950 XT has a memory bandwidth of 576.0 GB/s, while the RTX A1000 Mobile has 176.0 GB/s, giving the AMD card a 400 GB/s advantage.

Q: Which GPU has more shading units?

A: The RX 6950 XT has 5,120 shading units, while the RTX A1000 Mobile has 2,048, a difference of 3,072 units.

Q: What is the FP32 performance of each GPU?

A: The RX 6950 XT delivers 23.65 TFLOPS of FP32 performance, while the RTX A1000 Mobile delivers 4.669 TFLOPS.

Where Each One Wins

The AMD Radeon RX 6950 XT wins in every category measured by the database. In Geekbench OpenCL, its 205,998 score eclipses the RTX A1000 Mobile’s 48,703, making it the clear choice for general-purpose compute tasks such as video encoding, scientific simulations, or cryptographic workloads. The 323% delta means the RX 6950 XT completes these tasks in roughly a quarter of the time. In Geekbench Vulkan, the RX 6950 XT’s 165,212 score against 46,782 for the RTX A1000 Mobile confirms its dominance in modern graphics APIs, which are increasingly used in gaming and real-time rendering.

The RX 6950 XT also wins on architectural specs that translate to real-world performance. Its 576.0 GB/s memory bandwidth is over three times the RTX A1000 Mobile’s 176.0 GB/s, enabling faster texture streaming and larger working sets. The 128 ROPs versus 32 ROPs means the AMD card can rasterize at a much higher pixel rate, 295.7 GPixel/s versus 36.48 GPixel/s. For 4K gaming or high-refresh-rate 1440p, the RX 6950 XT is the only viable option between the two.

The NVIDIA RTX A1000 Mobile wins in the efficiency and portability domain, though this is not captured in benchmark scores. With a 60 W TDP and IGP form factor, it can be integrated into thin laptops without dedicated power connectors or large cooling solutions. The RX 6950 XT, at 335 W, triple-slot width, and 267 mm length, requires a full desktop chassis. The RTX A1000 Mobile’s 8 nm process and 43.5M transistors per mm² density indicate a focus on power efficiency over brute force. Additionally, the RTX A1000 Mobile has 64 tensor cores, a feature absent from the RX 6950 XT, making it the only one of the two suited for AI acceleration workloads.

Specification Differences

The two GPUs differ in nearly every specification category. The RX 6950 XT uses a 7 nm process from TSMC, while the RTX A1000 Mobile uses an 8 nm process from Samsung. The RX 6950 XT has 26,800 million transistors on a 520 mm² die, compared to 8,700 million on 200 mm² for the RTX A1000 Mobile. Clock speeds show a 1860 MHz base and 2310 MHz boost for the AMD card, versus 630 MHz base and 1140 MHz boost for the NVIDIA card.

Memory configuration differs significantly: the RX 6950 XT has 16 GB of GDDR6 on a 256-bit bus with 576.0 GB/s bandwidth, while the RTX A1000 Mobile has 4 GB on a 128-bit bus with 176.0 GB/s. The RX 6950 XT has 5,120 shading units, 320 TMUs, and 128 ROPs, while the RTX A1000 Mobile has 2,048 shading units, 64 TMUs, and 32 ROPs. Ray tracing cores are 80 for the AMD card versus 16 for the NVIDIA card. The RTX A1000 Mobile has 64 tensor cores; the RX 6950 XT has none.

Pixel rate is 295.7 GPixel/s for the RX 6950 XT versus 36.48 GPixel/s for the RTX A1000 Mobile. Texture rate is 739.2 GTexel/s versus 72.96 GTexel/s. FP32 output is 23.65 TFLOPS versus 4.669 TFLOPS. FP16 output is 47.31 TFLOPS for the AMD card (2:1 ratio) and 4.669 TFLOPS for the NVIDIA card (1:1 ratio). Power consumption is 335 W for the RX 6950 XT and 60 W for the RTX A1000 Mobile. The RX 6950 XT uses two 8-pin power connectors and requires a 700 W power supply, while the RTX A1000 Mobile uses no connectors and has no suggested PSU. The RX 6950 XT is triple-slot and PCIe 4.0 x16, while the RTX A1000 Mobile is IGP and PCIe 4.0 x8. Display outputs are 1x HDMI 2.1 and 2x DisplayPort 1.4a for the AMD card, versus portable device dependent for the NVIDIA card.