AMD Radeon RX 6900 XT vs NVIDIA Quadro RTX 4000 Max Q
GPU · Specs Compare
Graphics Card
Release Date
Oct 2020
May 2019
Generation
Navi II
Quadro Mobile
Type
Desktop
Professional
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1825 MHz
780 MHz
Boost Clock
2250 MHz
1380 MHz
Memory Clock
2000 MHz
1625 MHz
Memory
Memory Size
16GB
8GB
Memory Type
GDDR6
GDDR6
Memory Bus
256bit
256bit
Bandwidth
512.0GB/s
416.0GB/s
Render Config
Compute Units
80
—
Shading Units
5120
2560
TMUs
320
160
ROPs
128
64
RT Cores
80
40
L1 Cache
128 KB per Array
64 KB (per SM)
L2 Cache
4 MB
4 MB
L3 Cache
128 MB
—
SM Count
—
40
Tensor Cores
—
320
Theoretical Performance
Pixel Rate
288.0 GPixel/s
88.32 GPixel/s
Texture Rate
720.0 GTexel/s
220.8 GTexel/s
FP16 (half)
46.08 TFLOPS
14.13 TFLOPS
FP32 (float)
23.04 TFLOPS
7.066 TFLOPS
FP64 (double)
1440.0 GFLOPS
220.8 GFLOPS
Graphics Processor
GPU Name
Navi 21
TU104
GPU Variant
Navi 21 XTX(215-121000167)
—
Architecture
RDNA 2.0
Turing
Foundry
TSMC
TSMC
Process Size
7 nm
12 nm
Transistors
26.8 billion
13.6 billion
Die Size
520 mm²
545 mm²
Board Design
TDP
300W
80W
Suggested PSU
700 W
—
Outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
No outputs
Power Connectors
2x 8-pin
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
3.0
Vulkan
1.4
1.3
Shader Model
6.8
6.6
CUDA
—
7.5
Benchmark
3DMark Time Spy
20,764
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.