AMD Radeon RX Vega 64 vs NVIDIA GeForce RTX 5070 Comparison

The AMD Radeon RX Vega 64 and the NVIDIA GeForce RTX 5070 represent two distinct eras of GPU design, separated by nearly eight years of architectural evolution. The data in the database shows a clear generational divide, with the RTX 5070 delivering substantially higher raw performance across every recorded benchmark, while the Vega 64 maintains a notable presence in the overall performance distribution due to its historical standing. The RTX 5070 is the definitive winner in direct comparisons, but the Vega 64 remains a relevant data point for understanding the trajectory of GPU performance since 2017.

The Verdict

The benchmark results are unambiguous: the NVIDIA GeForce RTX 5070 is the superior performer in every head-to-head test recorded in the database. In the 3DMark Steel Nomad DX12 test, the RTX 5070 scores 5077 compared to the Vega 64's 1669, a delta of -67.1% for the older card. This is a massive gap that reflects the fundamental architectural and process technology advancements made between the two releases. The RTX 5070 also wins decisively in Geekbench OpenCL (172660 vs 62552, -63.8%) and Geekbench Vulkan (178923 vs 67032, -62.5%). For anyone building a new system or upgrading from an older GPU, the RTX 5070 is the clear choice based on the recorded data.

However, the Vega 64 should not be dismissed outright. Its average benchmark score of 50001 places it in the 86th percentile of all GPUs, which is higher than the RTX 5070's 82nd percentile. This is a curious data point, explained by the fact that the Vega 64's nearest rivals include the NVIDIA GeForce RTX 5070 Ti (avg score 49957, delta 0.1%) and the AMD Radeon RX 6900 XT (avg score 50951, delta -1.9%). The Vega 64 appears to be clustered with high-end cards from multiple generations, while the RTX 5070's nearest rivals are professional and mobile GPUs like the AMD Radeon Pro 580 (avg score 40318, delta 0.1%) and the AMD Radeon Pro WX 7100 (avg score 40063, delta 0.8%). This suggests that the RTX 5070's average score is dragged down by its performance in compute and legacy DirectX tests, despite its strong showing in modern gaming workloads.

The verdict is straightforward: the RTX 5070 is the card to choose for modern gaming and high-performance compute tasks, where its 3DMark and Geekbench scores demonstrate a commanding lead. The Vega 64 remains a historical benchmark reference point, and its high percentile ranking shows that it was a capable card in its time, but it is not competitive with the RTX 5070 in any of the recorded head-to-head tests.

Architecture Differences

The two cards are built on fundamentally different architectures and manufacturing processes. The Vega 64 uses the Vega 10 chip, based on the GCN 5.0 architecture, manufactured on a 14 nm process at GlobalFoundries. The RTX 5070 uses the GB205 chip, based on the Blackwell 2.0 architecture, manufactured on a 5 nm process at TSMC. This process node difference is critical: the 14 nm node is less dense and less power-efficient than the 5 nm node, which directly impacts the performance and feature set of each card.

The transistor counts highlight the scale of this difference. The Vega 64 packs 12,500 million transistors into a 495 mm² die, resulting in a transistor density of 25.3M per mm². The RTX 5070, by contrast, contains 31,100 million transistors on a much smaller 263 mm² die, achieving a transistor density of 118.3M per mm². This means the RTX 5070 fits nearly four times more transistors per square millimeter, enabling a much higher compute density and allowing for dedicated hardware features that the Vega 64 lacks entirely.

The most significant architectural divergence is the inclusion of dedicated ray tracing and tensor cores on the RTX 5070. The Vega 64 has no ray tracing cores and no tensor cores, as GCN 5.0 predates NVIDIA's dedicated RT and Tensor core designs. The RTX 5070 features 48 ray tracing cores and 192 tensor cores, which are essential for modern games that support ray-traced effects and for AI-accelerated features like DLSS. The Vega 64 relies entirely on its general-purpose shading units for all workloads, which puts it at a severe disadvantage in modern titles that leverage these dedicated units.

Memory architecture also differs fundamentally. The Vega 64 uses 8 GB of HBM2 memory on a 2048-bit bus, delivering 483.8 GB/s of bandwidth. The RTX 5070 uses 12 GB of GDDR7 memory on a 192-bit bus, delivering 672.0 GB/s of bandwidth. The RTX 5070 has a narrower bus but compensates with faster memory technology, resulting in higher overall bandwidth. The Vega 64's HBM2 was innovative for its time, but GDDR7 offers a more practical balance of capacity and bandwidth for modern workloads.

Head-to-Head Benchmarks

The head-to-head results are consistent across all three recorded tests, with the RTX 5070 winning every single one. The largest relative gap appears in the 3DMark Steel Nomad DX12 test, which is a modern, DirectX 12-based workload that stresses the GPU's ability to handle contemporary rendering techniques. The RTX 5070 scores 5077, while the Vega 64 manages only 1669, a delta of -67.1%. This test is particularly punishing for the Vega 64 because it likely leverages features that the GCN 5.0 architecture does not support efficiently, such as advanced shader models or mesh shaders.

In Geekbench OpenCL, the RTX 5070 scores 172660 against the Vega 64's 62552, a delta of -63.8%. This is a compute-heavy workload that measures raw throughput for general-purpose GPU computing. The RTX 5070's higher shading unit count (6144 vs 4096) and much higher FP32 performance (30.87 TFLOPS vs 12.66 TFLOPS) explain the substantial lead. The Vega 64's FP16 performance is listed as 25.33 TFLOPS (2:1), which is higher than its FP32 rate, but the RTX 5070 matches its FP32 and FP16 rates at 30.87 TFLOPS (1:1), giving it a consistent advantage across precision levels.

The Geekbench Vulkan test shows a similar pattern: the RTX 5070 scores 178923, while the Vega 64 scores 67032, a delta of -62.5%. Vulkan is a low-overhead API that the RTX 5070 handles exceptionally well, likely due to its newer driver optimizations and more efficient architecture. The Vega 64's Vulkan support is listed at version 1.3, while the RTX 5070 supports Vulkan 1.4, which may include additional extensions or optimizations that contribute to the performance gap.

The recorded data shows zero wins for the Vega 64 and three wins for the RTX 5070. There is no benchmark in the database where the older card comes out ahead. This is a clean sweep that underscores the generational leap in performance.

Specification Differences

The specification sheets reveal several key differences beyond performance. The process node is a major divider: the Vega 64 is on 14 nm, while the RTX 5070 is on 5 nm. The Vega 64's die is larger (495 mm² vs 263 mm²), but the RTX 5070 has more transistors (31,100 million vs 12,500 million) and a much higher transistor density (118.3M / mm² vs 25.3M / mm²).

Clock speeds differ significantly. The Vega 64 has a base clock of 1247 MHz and a boost clock of 1546 MHz, while the RTX 5070 has a base clock of 2325 MHz and a boost clock of 2512 MHz. The RTX 5070's higher clocks, combined with its more efficient architecture, result in substantially higher throughput. The Vega 64's memory clock is listed as 945 MHz with 1890 Mbps effective, while the RTX 5070's memory runs at 1750 MHz with 28 Gbps effective.

Memory capacity and type differ: the Vega 64 has 8 GB of HBM2, while the RTX 5070 has 12 GB of GDDR7. The bus widths are 2048-bit for the Vega 64 and 192-bit for the RTX 5070, but the RTX 5070's bandwidth is higher at 672.0 GB/s versus 483.8 GB/s. The shading unit count is higher on the RTX 5070 (6144 vs 4096), but the Vega 64 has more texture mapping units (256 vs 192) and fewer ROPs (64 vs 80).

Power consumption is also different: the Vega 64 has a TDP of 295 W, while the RTX 5070 has a TDP of 250 W. Both cards are dual-slot, but the Vega 64 uses two 8-pin power connectors, while the RTX 5070 uses a single 16-pin connector. The suggested PSU is 600 W for both. The Vega 64 is longer at 280 mm (11 inches) compared to the RTX 5070's 245 mm (9.6 inches). The RTX 5070 is slightly taller at 115 mm (4.5 inches) versus 111 mm (4.4 inches), and both are 40 mm (1.6 inches) wide.

The bus interface differs: the Vega 64 uses PCIe 3.0 x16, while the RTX 5070 uses PCIe 5.0 x16. Display outputs are also distinct: the Vega 64 has 1x HDMI 2.0b and 3x DisplayPort 1.4a, while the RTX 5070 has 1x HDMI 2.1b and 3x DisplayPort 2.1b. The API support shows the Vega 64 supports DirectX 12 (12_1), while the RTX 5070 supports DirectX 12 Ultimate (12_2). Both support OpenGL 4.6, but the RTX 5070 supports Vulkan 1.4 versus the Vega 64's Vulkan 1.3.

FAQ

Q: Which GPU is faster in 3DMark Steel Nomad DX12?

A: The NVIDIA GeForce RTX 5070 is significantly faster, scoring 5077 compared to the AMD Radeon RX Vega 64's 1669, a delta of -67.1% for the Vega 64.

Q: Does the AMD Radeon RX Vega 64 have ray tracing cores?

A: No, the Vega 64 has no ray tracing cores. The NVIDIA GeForce RTX 5070 features 48 ray tracing cores and 192 tensor cores, which the Vega 64 lacks entirely.

Q: What is the average benchmark score difference between the two cards?

A: The Vega 64 has an average benchmark score of 50001, while the RTX 5070 has an average score of 40377. The Vega 64's score is higher due to its clustering with high-end rivals like the RTX 5070 Ti, despite losing every head-to-head test.

Q: How does memory bandwidth compare?

A: The RTX 5070 delivers 672.0 GB/s of bandwidth using 12 GB of GDDR7 on a 192-bit bus, while the Vega 64 provides 483.8 GB/s using 8 GB of HBM2 on a 2048-bit bus.

Q: Which card has a higher transistor density?

A: The RTX 5070 has a transistor density of 118.3M per mm² on its 263 mm² die, while the Vega 64 has a density of 25.3M per mm² on its 495 mm² die.

Q: What are the power consumption figures?

A: The Vega 64 has a TDP of 295 W, while the RTX 5070 has a TDP of 250 W. Both have a suggested PSU of 600 W.