AMD Radeon RX 6900 XT vs NVIDIA GeForce RTX 4090 D
GPU · Specs Compare
Graphics Card
Release Date
Oct 2020
Dec 2023
Generation
Navi II
GeForce 40
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1825 MHz
2280 MHz
Boost Clock
2250 MHz
2520 MHz
Memory Clock
2000 MHz
1313 MHz
Memory
Memory Size
16GB
24GB
Memory Type
GDDR6
GDDR6X
Memory Bus
256bit
384bit
Bandwidth
512.0GB/s
1008GB/s
Render Config
Compute Units
80
—
Shading Units
5120
14592
TMUs
320
456
ROPs
128
176
RT Cores
80
114
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
4 MB
72 MB
L3 Cache
128 MB
—
SM Count
—
114
Tensor Cores
—
456
Theoretical Performance
Pixel Rate
288.0 GPixel/s
443.5 GPixel/s
Texture Rate
720.0 GTexel/s
1149 GTexel/s
FP16 (half)
46.08 TFLOPS
73.54 TFLOPS
FP32 (float)
23.04 TFLOPS
73.54 TFLOPS
FP64 (double)
1440.0 GFLOPS
1149 GFLOPS
Graphics Processor
GPU Name
Navi 21
AD102
GPU Variant
Navi 21 XTX(215-121000167)
AD102-250-A1
Architecture
RDNA 2.0
Ada Lovelace
Foundry
TSMC
TSMC
Process Size
7 nm
5 nm
Transistors
26.8 billion
76.3 billion
Die Size
520 mm²
609 mm²
Board Design
TDP
300W
425W
Suggested PSU
700 W
800 W
Outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
2x 8-pin
1x 16-pin
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
6.7
CUDA
—
8.9
Benchmark
3DMark Time Spy
20,764
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.