AMD Radeon RX Vega 56 8GB vs AMD Radeon VII 16GB
The Radeon VII delivers 32% more FP16 throughput than the Radeon RX Vega 56 (28 vs 21 TFLOPS dense). The Radeon VII also carries 8 GB more memory (16 GB vs 8 GB).
AMD Radeon RX Vega 56 8GB
Full specs →AMD Radeon VII 16GB
Full specs →Specifications
Performance (TFLOPS)
FLOPS by Precision
What actually differs
The Radeon VII is the newer part: Vega, launched in 2019, against the Radeon RX Vega 56's Vega from 2017. Newer architectures typically add lower-precision formats and better throughput per watt, so check the precision rows your workload actually uses.
Dense throughput for the Radeon RX Vega 56 against the Radeon VII: FP32 11 vs 14 TFLOPS, FP16 21 vs 28 TFLOPS. Sparse figures, where the vendor publishes them, appear under each dense number in the performance table.
Memory is 8 GB against 16 GB, fed at 410 GB/s versus 1.0 TB/s. More memory per GPU means larger models fit before you have to shard across cards, which often matters more than raw TFLOPS for inference.
Power budgets are 210 W for the Radeon RX Vega 56 and 300 W for the Radeon VII. At FP32 that works out to 0.05 against 0.05 TFLOPS per watt.
For LLM training and inference, weight the FP8 and FP16 rows and memory capacity most heavily. For scientific and HPC workloads, the FP64 row is the one to read.
Frequently asked questions
Is the Radeon RX Vega 56 faster than the Radeon VII?
At FP16 precision the Radeon VII reaches 28 TFLOPS dense against 21 TFLOPS for the Radeon RX Vega 56. The performance table on this page lists every published precision for both GPUs.
Which has more memory, the Radeon RX Vega 56 or the Radeon VII?
The Radeon VII carries 16 GB of VRAM versus 8 GB for the Radeon RX Vega 56. Memory bandwidth is 410 GB/s for the Radeon RX Vega 56 and 1.0 TB/s for the Radeon VII.
How much power do the Radeon RX Vega 56 and the Radeon VII draw?
The Radeon RX Vega 56 is rated at 210 W TDP and the Radeon VII at 300 W. On FP32 throughput per watt, the Radeon RX Vega 56 is the more efficient part.
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