AMD Radeon RX 7800M vs NVIDIA GeForce RTX 4090
GPU Specs Compare
Graphics Card
Release Date
Sep 2024
Sep 2022
Generation
Navi Mobile
GeForce 40
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1295 MHz
2235 MHz
Boost Clock
2335 MHz
2520 MHz
Memory Clock
2250 MHz
1313 MHz
Memory
Memory Size
12GB
24GB
Memory Type
GDDR6
GDDR6X
Memory Bus
192bit
384bit
Bandwidth
432.0GB/s
1.01TB/s
Render Config
Compute Units
60
-
Shading Units
3840
16384
TMUs
240
512
ROPs
96
176
RT Cores
60
128
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
4 MB
72 MB
L3 Cache
48 MB
-
SM Count
-
128
Tensor Cores
-
512
Theoretical Performance
Pixel Rate
224.2 GPixel/s
443.5 GPixel/s
Texture Rate
560.4 GTexel/s
1290.2 GTexel/s
FP16 (half)
71.73 TFLOPS
82.58 TFLOPS
FP32 (float)
35.87 TFLOPS
82.58 TFLOPS
FP64 (double)
1121 GFLOPS
1290.2 GFLOPS
Graphics Processor
GPU Name
Navi 32
AD102
GPU Variant
Navi 32 XT(215-180000006)
AD102-300-A1
Architecture
RDNA 3.0
Ada Lovelace
Foundry
TSMC
TSMC
Process Size
5 nm
5 nm
Transistors
28.1 billion
76.3 billion
Die Size
346 mm²
609 mm²
Board Design
TDP
180W
450W
Outputs
Portable Device Dependent
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
None
1x 16-pin
Suggested PSU
-
850 W
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