amd
Brand16GB GDDR6
Memory5120
Cores512 GB/s
BandwidthAMD Radeon RX 6900 XT
amd
Brand4GB GDDR5
Memory512
Cores96 GB/s
BandwidthAMD Radeon RX 550X
AMD Radeon RX 6900 XT
Radeon RX 6900 XT
$999 • Oct 2020
Radeon RX 550X
$ • Dec 2018
AMD Radeon RX 550X
Specs Comparison
| Specification | AMD Radeon RX 6900 XT | AMD Radeon RX 550X |
|---|---|---|
| Memory Size | 16 GB | 4 GB |
| Memory Type | GDDR6 | GDDR5 |
| TDP | 300 W | 50 W |
| Core Clock | N/A | N/A |
| Boost Clock | 2250 MHz | 1183 MHz |
| Memory Bandwidth | 512 GB/s | 96 GB/s |
| Process Size | 7nm | 14nm |
| Architecture | RDNA 2.0 | GCN 4.0 |
| Shading Units | 5120 | 512 |
| RT Cores | 80 | N/A |
| TMUs | 320 | 32 |
| ROPs | 128 | 16 |
| Memory Bus | 256-bit | 128-bit |
| Memory Clock | 2000 MHz | 1500 MHz |
| Pixel Rate | 288 GPixel/s | 18.93 GPixel/s |
| Texture Rate | 512 GTexel/s | 96 GTexel/s |
| FP32 Performance | 23.04 GFLOPS | 1 GFLOPS |
| L2 Cache | 4.00 MB | 0.50 MB |
| Die Size | 520 mm² | 103 mm² |
| Transistors | 26800 Million | 2200 Million |
| Required PSU | 700 W | 250 W |
| Power Connectors | 2x 8-pin | None |
| Bus Interface | PCIe 4.0 x16 | PCIe 3.0 x8 |
| DirectX | 12.2 | 12 |
| Vulkan | 1.3 | 1.3 |
| OpenGL | 4.6 | 4.6 |
| Foundry | TSMC | GlobalFoundries |
Comparison in Synthetic Benchmarks
3DMark Time Spy
Synthetic DirectX 12 benchmark that measures GPU performance in gaming workloads
Graphics Score
AMD Radeon RX 6900 XT
AMD Radeon RX 550X
Geekbench 6
Cross-platform benchmark that measures GPU compute performance using OpenCL and Metal APIs
OpenCL Score
AMD Radeon RX 6900 XT
AMD Radeon RX 550X
GFXBench 5.0
Cross-platform 3D graphics benchmark suite that measures GPU performance across different APIs
Aztec Ruins High (FPS)
AMD Radeon RX 6900 XT
AMD Radeon RX 550X
PassMark G2D
Comprehensive 2D graphics benchmark that measures GPU performance in various graphics operations
G2D Mark
AMD Radeon RX 6900 XT
AMD Radeon RX 550X
Game Benchmarks Comparison
No game benchmarks available for this combination of GPUs yet.
We're working on collecting performance data for this combination of GPUs. Please check back later.
AMD Radeon RX 6900 XT Wins!
Based on 4 synthetic benchmarks
AMD Radeon RX 6900 XT
AMD • 16GB GDDR6
AMD Radeon RX 550X
AMD • 4GB GDDR5
Most Compared GPUs
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