AMD Radeon RX 8800 XT vs NVIDIA GeForce RTX 4090
GPU Specs Compare
Graphics Card
Release Date
Unknown
Sep 2022
Generation
Navi IV(RX 8000)
GeForce 40
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1295 MHz
2235 MHz
Boost Clock
2430 MHz
2520 MHz
Memory Clock
2438 MHz
1313 MHz
Memory
Memory Size
16GB
24GB
Memory Type
GDDR6
GDDR6X
Memory Bus
256bit
384bit
Bandwidth
624.1GB/s
1.01TB/s
Render Config
Compute Units
64
-
Shading Units
4096
16384
TMUs
256
512
ROPs
96
176
RT Cores
64
128
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
4 MB
72 MB
L3 Cache
64 MB
-
SM Count
-
128
Tensor Cores
-
512
Theoretical Performance
Pixel Rate
233.3 GPixel/s
443.5 GPixel/s
Texture Rate
622.1 GTexel/s
1290.2 GTexel/s
FP16 (half)
39.81 TFLOPS
82.58 TFLOPS
FP32 (float)
19.91 TFLOPS
82.58 TFLOPS
FP64 (double)
622.1 GFLOPS
1290.2 GFLOPS
Graphics Processor
GPU Name
Navi 48
AD102
GPU Variant
Navi 48 XT
AD102-300-A1
Architecture
RDNA 4.0
Ada Lovelace
Foundry
TSMC
TSMC
Process Size
4 nm
5 nm
Transistors
Unknown
76.3 billion
Die Size
Unknown
609 mm²
Board Design
TDP
220W
450W
Suggested PSU
550 W
850 W
Outputs
1x HDMI 2.1a3x DisplayPort 2.1
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
2.2
3.0
Vulkan
1.3
1.4
Shader Model
6.8
6.8
CUDA
-
8.9