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GPU Comparison
AMD Radeon RX 6900 XT vs AMD Radeon Pro Duo
AMD Radeon RX 6900 XT vs AMD Radeon Pro Duo
VS
AMD Radeon RX 6900 XT
AMD Radeon Pro Duo
We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6900 XT and 4GB VRAM Radeon Pro Duo to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 6900 XT 's Advantages
Released 4 years and 6 months late
Boost Clock2250MHz
More VRAM (16GB vs 4GB)
1024 additional rendering cores
Lower TDP (300W vs 350W)
Score
Benchmark
FP32 (float)
Radeon RX 6900 XT
+181%
23.04 TFLOPS
Radeon Pro Duo
8.192 TFLOPS
Radeon RX 6900 XT
VS
Radeon Pro Duo
Graphics Card
Oct 2020
Release Date
Apr 2016
Navi II
Generation
Radeon Pro
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1825 MHz
Base Clock
-
2250 MHz
Boost Clock
-
2000 MHz
Memory Clock
500 MHz
Memory
16GB
Memory Size
4GB
GDDR6
Memory Type
HBM
256bit
Memory Bus
4096bit
512.0GB/s
Bandwidth
512.0GB/s
Render Config
-
SM Count
-
80
Compute Units
64
5120
Shading Units
4096
320
TMUs
256
128
ROPs
64
-
Tensor Cores
-
80
RT Cores
-
128 KB per Array
L1 Cache
16 KB (per CU)
4 MB
L2 Cache
2 MB
Theoretical Performance
288.0 GPixel/s
Pixel Rate
64.00 GPixel/s
720.0 GTexel/s
Texture Rate
256.0 GTexel/s
46.08 TFLOPS
FP16 (half)
8.192 TFLOPS
23.04 TFLOPS
FP32 (float)
8.192 TFLOPS
1440 GFLOPS
FP64 (double)
512.0 GFLOPS
Graphics Processor
Navi 21
GPU Name
Capsaicin
Navi 21 XTX (215-121000167)
GPU Variant
Capsaicin XT
RDNA 2.0
Architecture
GCN 3.0
TSMC
Foundry
TSMC
7 nm
Process Size
28 nm
26.8 billion
Transistors
8.9 billion
520 mm²
Die Size
596 mm²
Board Design
300W
TDP
350W
700 W
Suggested PSU
750 W
1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C
Outputs
1x HDMI 1.4a 3x DisplayPort 1.2
2x 8-pin
Power Connectors
3x 8-pin
Graphics Features
12 Ultimate (12_2)
DirectX
12 (12_0)
4.6
OpenGL
4.6
2.1
OpenCL
2.0
1.3
Vulkan
1.2
-
CUDA
-
6.5
Shader Model
6.0
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