NVIDIA GeForce RTX 4090 D vs AMD Radeon RX 6900 XTX
GPU · Specs Compare
Graphics Card
Release Date
Dec 2023
Unknown
Generation
GeForce 40
Navi II
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
2280 MHz
2075 MHz
Boost Clock
2520 MHz
2435 MHz
Memory Clock
1313 MHz
2250 MHz
Memory
Memory Size
24GB
16GB
Memory Type
GDDR6X
GDDR6
Memory Bus
384bit
256bit
Bandwidth
1008GB/s
576.0GB/s
Render Config
SM Count
114
—
Shading Units
14592
5120
TMUs
456
320
ROPs
176
128
Tensor Cores
456
—
RT Cores
114
80
L1 Cache
128 KB (per SM)
128 KB per Array
L2 Cache
72 MB
4 MB
Compute Units
—
80
L3 Cache
—
128 MB
Theoretical Performance
Pixel Rate
443.5 GPixel/s
311.7 GPixel/s
Texture Rate
1149 GTexel/s
779.2 GTexel/s
FP16 (half)
73.54 TFLOPS
49.87 TFLOPS
FP32 (float)
73.54 TFLOPS
24.93 TFLOPS
FP64 (double)
1149 GFLOPS
1.558 TFLOPS
Graphics Processor
GPU Name
AD102
Navi 21
GPU Variant
AD102-250-A1
Navi 21 XTXH(215-121000247)
Architecture
Ada Lovelace
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
5 nm
7 nm
Transistors
76.3 billion
26.8 billion
Die Size
609 mm²
520 mm²
Board Design
TDP
425W
330W
Suggested PSU
800 W
700 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
Power Connectors
1x 16-pin
2x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.3
1.3
CUDA
8.9
—
Shader Model
6.7
6.5
▲ Specs Compare
Data sourced from official specifications and benchmark tests.