AMD Radeon RX 6950 XT vs NVIDIA GeForce RTX 4090
GPU · Specs Compare
Graphics Card
Release Date
May 2022
Sep 2022
Generation
Navi II
GeForce 40
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1860 MHz
2235 MHz
Boost Clock
2310 MHz
2520 MHz
Memory Clock
2250 MHz
1313 MHz
Memory
Memory Size
16GB
24GB
Memory Type
GDDR6
GDDR6X
Memory Bus
256bit
384bit
Bandwidth
576.0GB/s
1.01TB/s
Render Config
Compute Units
80
—
Shading Units
5120
16384
TMUs
320
512
ROPs
128
176
RT Cores
80
128
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
4 MB
72 MB
L3 Cache
128 MB
—
SM Count
—
128
Tensor Cores
—
512
Theoretical Performance
Pixel Rate
295.7 GPixel/s
443.5 GPixel/s
Texture Rate
739.2 GTexel/s
1290.2 GTexel/s
FP16 (half)
47.31 TFLOPS
82.58 TFLOPS
FP32 (float)
23.65 TFLOPS
82.58 TFLOPS
FP64 (double)
1478 GFLOPS
1290.2 GFLOPS
Graphics Processor
GPU Name
Navi 21
AD102
GPU Variant
Navi 21 KXTX(215-121000289)
AD102-300-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
335W
450W
Suggested PSU
700 W
850 W
Outputs
1x HDMI 2.12x DisplayPort 1.4a
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
1.3
1.4
Shader Model
6.5
6.8
CUDA
—
8.9
▲ Specs Compare
Data sourced from official specifications and benchmark tests.