AMD Radeon RX 6700M vs AMD Radeon RX 6800 Comparison

The Verdict

The benchmark database places the AMD Radeon RX 6800 and AMD Radeon RX 6700M in adjacent performance percentiles, yet their workloads could hardly be more different. The RX 6800 sits at the 75th percentile of all GPUs, while the RX 6700M lands at the 71st percentile. Across 11 head-to-head benchmark tests, the RX 6800 wins 10, the RX 6700M wins 1. The average benchmark score for the RX 6800 is 30095, compared to 25633 for the RX 6700M, a gap of roughly 17%.

The RX 6800 is the clear choice for desktop gaming and compute-heavy workloads. Its nearest rivals in the database include the NVIDIA GeForce RTX 3070 Ti (0.5% ahead), the NVIDIA GeForce RTX 5070 Mobile (0.6% ahead), and the NVIDIA GeForce RTX 2080 Ti (1% ahead). The RX 6700M, by contrast, trades blows with the AMD Radeon Pro W5700 (0.4% behind), the NVIDIA GeForce RTX 3080 Ti Mobile (0.4% behind), and the AMD FirePro D700 (0.8% behind). In other words, the RX 6800 competes in a higher tier entirely.

Who should pick which? The RX 6800 is the answer for anyone assembling a desktop rig with a dual-slot card, two 8-pin power connectors, and a 600 W suggested PSU. The RX 6700M is an integrated mobile part, labeled as IGP with no power connectors, and its performance profile makes it suitable for portable devices where the RX 6800's 250 W TDP would be impractical. The data does not support choosing the RX 6700M for raw performance; it supports choosing it for the mobile form factor.

Where Each One Wins

The RX 6800 dominates across nearly every recorded benchmark category. In 3DMark Steel Nomad (DX12), it scores 3188 against 1845, a 72.8% advantage. In Geekbench Vulkan, the RX 6800 posts 115107 versus 90816, a 26.7% lead. PassMark 3D Mark (G3D) shows 22067 versus 13536, a 63% gap. The RX 6800 also wins all five PassMark API-specific tests: DirectX 10 (128 vs 92, +39.1%), DirectX 11 (214 vs 129, +65.9%), DirectX 12 (89 vs 65, +36.9%), DirectX 9 (257 vs 155, +65.8%), and GPU Compute (10864 vs 5191, +109.3%). Even the 2D test (PassMark G2D) favors the RX 6800 at 990 versus 555, a 78.4% margin.

The RX 6700M wins exactly one test: Geekbench OpenCL. Its score of 77666 dwarfs the RX 6800's 24508, a -68.4% delta in the RX 6700M's favor. This is the single largest swing in either direction across the entire head-to-head set. Notably, the RX 6700M also scores higher in Geekbench Metal than in OpenCL (91911 vs 77666), but it still loses Metal to the RX 6800 by 67.2%. The OpenCL result stands as the one workload where the mobile part is unequivocally superior, suggesting a driver or compute-path advantage specific to that API rather than a general performance edge.

Architecture Differences

Both GPUs share the RDNA 2.0 architecture and the 7 nm TSMC process node, but they are built on different dies. The RX 6800 uses the Navi 21 chip with 26,800 million transistors on a 520 mm² die, yielding a transistor density of 51.5M per mm². The RX 6700M uses the Navi 22 chip with 17,200 million transistors on a 335 mm² die, at 51.3M per mm². The density is nearly identical, meaning the performance gap comes from scale, not process efficiency.

The RX 6800 has 3840 shading units, 240 texture mapping units, 96 ROPs, and 60 ray accelerators. The RX 6700M has 2304 shading units, 144 TMUs, 64 ROPs, and 36 ray accelerators. That is a 66.7% advantage in shading units and a 66.7% advantage in ray accelerators for the RX 6800, matching its 67.2% lead in Geekbench Metal and 65.9% lead in DirectX 11. Neither card has tensor cores; both rely purely on RDNA 2 compute.

Clock behavior differs significantly. The RX 6800 has a base clock of 1700 MHz, a boost of 2105 MHz, and a game clock of 1815 MHz. The RX 6700M has a lower base of 1489 MHz but a higher boost of 2400 MHz and a game clock of 2300 MHz. The mobile part is tuned for a more aggressive boost profile, which helps it close the gap in some tests, but the RX 6800's larger execution resources still carry it to victory in most workloads.

Memory configurations diverge sharply. The RX 6800 has 16 GB of GDDR6 on a 256-bit bus with 512.0 GB/s bandwidth. The RX 6700M has 10 GB of GDDR6 on a 160-bit bus with 320.0 GB/s bandwidth. Both use 2000 MHz memory with 16 Gbps effective speed, so the bandwidth difference is purely a function of bus width.

FAQ

Q: Which GPU has the higher average benchmark score?

A: The AMD Radeon RX 6800 has an average benchmark score of 30095, while the AMD Radeon RX 6700M has 25633. The RX 6800 also holds a higher percentile rank at 75 versus 71.

Q: Is the RX 6700M better at any compute workload?

A: Yes. In Geekbench OpenCL, the RX 6700M scores 77666 against the RX 6800's 24508, a 68.4% advantage. This is the only head-to-head test the RX 6700M wins out of 11 recorded.

Q: How do the memory buses compare?

A: The RX 6800 uses a 256-bit bus with 512.0 GB/s bandwidth and 16 GB of GDDR6. The RX 6700M uses a 160-bit bus with 320.0 GB/s bandwidth and 10 GB of GDDR6. Both run memory at 2000 MHz with 16 Gbps effective speed.

Q: Which card has more ray tracing cores?

A: The RX 6800 has 60 ray accelerators, while the RX 6700M has 36. This is a 66.7% advantage for the RX 6800.

Q: Are these GPUs still in production?

A: Both are marked end-of-life in the database. The RX 6800 was released on 2020-10-27, and the RX 6700M was released on 2021-05-30.

Q: What is the power connector setup for each card?

A: The RX 6800 requires 2x 8-pin power connectors and has a 250 W TDP with a 600 W suggested PSU. The RX 6700M has no power connectors and a 135 W TDP, reflecting its integrated mobile design.

Head-to-Head Benchmarks

The largest win for the RX 6800 comes in PassMark GPU Compute, where it scores 10864 versus 5191, a 109.3% advantage. This more than doubles the mobile part's compute output. The next biggest margin is PassMark G2D at 78.4% (990 vs 555), followed by 3DMark Steel Nomad at 72.8% (3188 vs 1845). The RX 6800 also clears 67.2% in Geekbench Metal (153635 vs 91911) and 65.9% in DirectX 11 (214 vs 129). The DirectX 9 test shows 257 versus 155, a 65.8% lead, and the DirectX 10 test shows 128 versus 92, a 39.1% lead. DirectX 12 is closer at 36.9% (89 vs 65), and Geekbench Vulkan is the narrowest RX 6800 win at 26.7% (115107 vs 90816).

The single RX 6700M win in Geekbench OpenCL is the outlier: 77666 versus 24508, a -68.4% delta. It is notably the RX 6700M's OpenCL score is higher than its Vulkan score (90816) and its Metal score (91911) is higher still, while the RX 6800's OpenCL score is its lowest among the three Geekbench APIs. This suggests the RX 6800's OpenCL path is underperforming relative to its other APIs, not that the RX 6700M is broadly faster.

Specification Differences

The two GPUs differ in nearly every physical and functional specification except architecture, process node, foundry, memory type, and API support. Both are RDNA 2.0 on TSMC 7 nm, both use GDDR6, and both support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4.

The chip is Navi 21 for the RX 6800 versus Navi 22 for the RX 6700M. Transistor count is 26,800 million versus 17,200 million. Die size is 520 mm² versus 335 mm². Transistor density is nearly identical at 51.5M per mm² versus 51.3M per mm².

Clock speeds: the RX 6800 has base 1700 MHz, boost 2105 MHz, and game 1815 MHz. The RX 6700M has base 1489 MHz, boost 2400 MHz, and game 2300 MHz. Memory clocks are identical at 2000 MHz with 16 Gbps effective.

Memory: 16 GB versus 10 GB, 256-bit versus 160-bit bus, 512.0 GB/s versus 320.0 GB/s bandwidth.

Compute resources: shading units 3840 versus 2304, TMUs 240 versus 144, ROPs 96 versus 64, ray accelerators 60 versus 36.

Pixel rate is 202.1 GPixel/s versus 153.6 GPixel/s. Texture rate is 505.2 GTexel/s versus 345.6 GTexel/s. FP32 is 16.17 TFLOPS versus 11.06 TFLOPS. FP16 is 32.33 TFLOPS (2:1) versus 22.12 TFLOPS (2:1).

Power and physical design: TDP is 250 W versus 135 W. The RX 6800 is dual-slot with 2x 8-pin connectors and a 600 W suggested PSU. The RX 6700M is IGP with no power connectors and no suggested PSU. The RX 6800 has dimensions of 267 mm length, 120 mm height, and 40 mm width; the RX 6700M has no recorded dimensions. Display outputs: the RX 6800 has 1x HDMI 2.1, 2x DisplayPort 1.4a, and 1x USB Type-C; the RX 6700M is portable-device dependent. Bus interface is PCIe 4.0 x16 for both. Production status is end-of-life for both. The RX 6800 has a launch MSRP of 579 USD; the RX 6700M has no recorded launch MSRP.