AMD Radeon Pro VII vs AMD Radeon Pro W6800X Comparison
AMD Radeon Pro VII
Radeon Pro W6800X
PERFORMANCE BENCHMARKS
Analysis: AMD Radeon Pro VII vs AMD Radeon Pro W6800X
Head-to-Head Benchmarks
The benchmark data is unambiguous: the AMD Radeon Pro W6800X wins both recorded head-to-head tests, and it wins by substantial margins. In Geekbench Metal, the W6800X scores 196,844 against the Radeon Pro VII's 108,383, a delta of 81.6%. That is nearly double the performance in Apple's Metal API, which is the primary graphics and compute interface for macOS professional workloads. In Geekbench OpenCL, the W6800X scores 124,498 versus 90,148, a 38.1% advantage. While still a decisive win, the OpenCL gap is narrower than Metal, suggesting the architecture difference matters more in Metal-optimized code paths.
Looking at the average benchmark score, the W6800X sits at 160,671, placing it in the 97th percentile of all GPUs in the database. The Radeon Pro VII averages 97,131, which is the 93rd percentile. The absolute gap between the two is 63,540 points, or roughly 65% higher for the W6800X. The W6800X's nearest rivals in the database are the NVIDIA A100 PCIe 40 GB (162,504, only 1.1% higher), the AMD Radeon PRO W7800 (164,894, 2.6% higher), the NVIDIA RTX A5500 (165,217, 2.8% higher), and the NVIDIA RTX 4500 Ada Generation (166,094, 3.3% higher). The W6800X is essentially trading blows with these top-tier workstation cards, sitting within a 3.3% band.
The Radeon Pro VII, by contrast, has a different competitive set. Its nearest rival is the AMD Radeon RX 7900M at 97,487, which is only 0.4% higher. The AMD Radeon Instinct MI60 scores 92,466, which is 5% lower. The NVIDIA Quadro RTX 6000 scores 101,872, which is 4.7% higher, and the NVIDIA RTX A4500 scores 91,671, which is 6% lower. The Pro VII is a mid-pack workstation card, while the W6800X is at the top of the heap.
The single-test breakdown reinforces this. In Metal, the W6800X's 196,844 is not just higher than the Pro VII; it is higher than every rival listed for either card. The Pro VII's best single score is its Metal result at 108,383, which is still 45% below the W6800X's Metal score. Even the Pro VII's OpenCL score of 90,148 and Vulkan score of 92,862 are both lower than its own Metal result, indicating the card is most efficient in Metal but still far behind the W6800X in every measured category.
Architecture Differences
The two GPUs come from entirely different architectural generations. The W6800X is built on RDNA 2.0, using the Navi 21 chip, while the Radeon Pro VII uses GCN 5.1 with the Vega 20 chip. This is a generational leap: RDNA 2.0 is designed for modern graphics features and higher efficiency, while GCN 5.1 is an older compute-oriented design.
Both are fabricated on TSMC's 7 nm process, but the transistor counts diverge sharply. The W6800X packs 26,800 million transistors on a 520 mm² die, giving a transistor density of 51.5 million per mm². The Pro VII has 13,230 million transistors on a 331 mm² die, a density of 40.0 million per mm². The W6800X has over twice the transistor count and a 57% larger die, which directly explains its higher raw performance.
Memory configuration is a major differentiator. The W6800X uses 32 GB of GDDR6 on a 256-bit bus, delivering 512.0 GB/s of bandwidth. The Pro VII uses 16 GB of HBM2 on a 4096-bit bus, delivering 1.02 TB/s. The Pro VII has double the memory bandwidth, which is a legacy advantage of HBM2, but it has half the capacity. For large datasets that fit within 16 GB, the Pro VII's bandwidth could be beneficial, but the W6800X's 32 GB capacity is the more practical advantage for modern workloads.
Clock speeds also favor the W6800X. Its base clock is 1800 MHz with a boost of 2087 MHz, while the Pro VII runs at 1400 MHz base and 1700 MHz boost. The W6800X is 28.6% higher at base and 22.8% higher at boost. Memory clocks are even more divergent: the W6800X's GDDR6 runs at 2000 MHz (16 Gbps effective), while the Pro VII's HBM2 runs at 1000 MHz (2 Gbps effective), though the Pro VII compensates with its much wider bus.
Compute unit composition shows both cards have 3840 shading units and 240 TMUs, but the ROP count differs: the W6800X has 96 ROPs versus 64 on the Pro VII. The W6800X also introduces 60 ray tracing cores, which the Pro VII lacks entirely. This is a fundamental feature gap, as the Pro VII cannot accelerate ray-traced workloads. Pixel rate is 200.4 GPixel/s on the W6800X versus 108.8 GPixel/s on the Pro VII, a 84% advantage. Texture rate is 500.9 GTexel/s versus 408.0 GTexel/s, a 23% advantage.
FP32 throughput is 16.03 TFLOPS on the W6800X versus 13.06 TFLOPS on the Pro VII, a 23% lead. FP16 is 32.06 TFLOPS versus 26.11 TFLOPS, a similar 23% lead. Both use a 2:1 FP16 ratio. API support differs: the W6800X supports DirectX 12 Ultimate (12_2), while the Pro VII is limited to DirectX 12 (12_1). Both support OpenGL 4.6, but the W6800X has Vulkan 1.4 versus Vulkan 1.3 on the Pro VII.
The Verdict
The data points to one conclusion: the AMD Radeon Pro W6800X is the superior GPU in every measured benchmark, with an 81.6% lead in Metal and a 38.1% lead in OpenCL. It also has more memory (32 GB vs 16 GB), higher clock speeds, more ROPs, ray tracing support, and a newer architecture. The Pro VII's only advantages are raw memory bandwidth (1.02 TB/s vs 512.0 GB/s) and a lower launch MSRP, but neither translates into a benchmark win. The W6800X wins 2 out of 2 head-to-head tests, and there is no test in the database where the Pro VII comes out ahead.
For professional users, the W6800X is the clear choice if performance is the priority. Its 97th percentile ranking puts it among the fastest GPUs in the database, while the Pro VII's 93rd percentile is respectable but not elite. The W6800X also benefits from a newer DirectX 12 Ultimate feature set and Vulkan 1.4 support, which future-proofs it better for upcoming software. The Pro VII, being an older GCN design, is end-of-life and lacks modern features like ray tracing.
The launch MSRP of the W6800X was 2,799 USD, while the Pro VII launched at 1,899 USD. The price difference exists, but the performance gap is far larger proportionally. Users who need the absolute maximum compute and graphics performance should select the W6800X. Users who are constrained by specific software that is optimized for the Pro VII's HBM2 bandwidth, or who have workloads that fit within 16 GB and benefit from 1.02 TB/s, may still find the Pro VII serviceable, but the data does not support choosing it on raw performance grounds.
FAQ
Q: Which GPU has a higher Geekbench Metal score?
A: The AMD Radeon Pro W6800X scores 196,844 in Metal, while the AMD Radeon Pro VII scores 108,383. The W6800X leads by 81.6%.
Q: How much memory does each card have?
A: The W6800X has 32 GB of GDDR6, while the Pro VII has 16 GB of HBM2. The Pro VII's HBM2 offers higher bandwidth at 1.02 TB/s versus 512.0 GB/s.
Q: Does the Radeon Pro VII support ray tracing?
A: No. The Pro VII has no ray tracing cores. The W6800X has 60 ray tracing cores.
Q: What is the average benchmark score difference between the two?
A: The W6800X averages 160,671, while the Pro VII averages 97,131. The W6800X is approximately 65% higher.
Q: Which card has a higher transistor count?
A: The W6800X has 26,800 million transistors on a 520 mm² die. The Pro VII has 13,230 million transistors on a 331 mm² die.
Q: What API levels do the two cards support?
A: The W6800X supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The Pro VII supports DirectX 12 (12_1), OpenGL 4.6, and Vulkan 1.3.
Where Each One Wins
The W6800X wins in every benchmark category recorded. Its 81.6% Metal advantage is the largest single-test margin, making it the clear choice for macOS applications that leverage Metal, such as video editing, 3D rendering, and GPU-accelerated compositing. Its 38.1% OpenCL lead also makes it superior for cross-platform compute workloads. The W6800X's 32 GB memory capacity is better suited for large neural network training batches, high-resolution texture sets, and multi-tasking across multiple applications.
The Pro VII has no benchmark wins, but its strengths are qualitative. Its 1.02 TB/s memory bandwidth is more than double the W6800X's 512.0 GB/s, which could benefit workloads that are extremely bandwidth-sensitive and fit within 16 GB. Its 4096-bit memory bus is a legacy design that was ahead of its time. The Pro VII also has six mini-DisplayPort 1.4a outputs, which may be more convenient for multi-monitor setups compared to the W6800X's 1x HDMI 2.1 and 4x Thunderbolt configuration. The Pro VII uses a standard PCIe 4.0 x16 interface and dual-slot cooling, while the W6800X uses the proprietary Apple MPX interface and quad-slot cooling, making the Pro VII easier to install in standard PC cases.
Specification Differences
The two cards differ in nearly every core specification. The W6800X uses the Navi 21 chip with RDNA 2.0 architecture, while the Pro VII uses Vega 20 with GCN 5.1. The process node is the same (7 nm, TSMC), but transistor count differs: 26,800 million versus 13,230 million, and die size is 520 mm² versus 331 mm². Base clocks are 1800 MHz versus 1400 MHz, and boost clocks are 2087 MHz versus 1700 MHz. Memory size is 32 GB GDDR6 versus 16 GB HBM2, with bus widths of 256-bit versus 4096-bit. Bandwidth is 512.0 GB/s versus 1.02 TB/s. ROPs are 96 versus 64. The W6800X has 60 ray tracing cores; the Pro VII has none. Pixel rate is 200.4 GPixel/s versus 108.8 GPixel/s, and texture rate is 500.9 GTexel/s versus 408.0 GTexel/s. FP32 is 16.03 TFLOPS versus 13.06 TFLOPS, and FP16 is 32.06 TFLOPS versus 26.11 TFLOPS. TDP is 200 W versus 250 W. Slot width is quad-slot versus dual-slot. Power connectors are Apple MPX versus 1x 6-pin + 1x 8-pin. Suggested PSU is 550 W versus 600 W. Bus interface is Apple MPX versus PCIe 4.0 x16. Display outputs are 1x HDMI 2.1 plus 4x Thunderbolt versus 6x mini-DisplayPort 1.4a. DirectX support is 12 Ultimate versus 12. Vulkan is 1.4 versus 1.3. Release dates are 2021-08-02 versus 2020-05-12. The Pro VII has a predecessor (Radeon Pro Polaris) and successor (Radeon Pro Navi), while the W6800X has neither listed.