NVIDIA GeForce RTX 5090 Mobile vs AMD Radeon R9 390
GPU Specs Compare
Graphics Card
Release Date
Mar 2025
Jun 2015
Generation
GeForce 50 Mobile
Pirate Islands
Type
Mobile
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
990 MHz
-
Boost Clock
1515 MHz
-
Memory Clock
1750 MHz
1500 MHz
Memory
Memory Size
24GB
8GB
Memory Type
GDDR7
GDDR5
Memory Bus
256bit
512bit
Bandwidth
896.0GB/s
384.0GB/s
Render Config
SM Count
82
-
Shading Units
10496
2560
TMUs
328
160
ROPs
112
64
Tensor Cores
328
-
RT Cores
82
-
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
64 MB
1024 KB
Compute Units
-
40
Theoretical Performance
Pixel Rate
169.7 GPixel/s
64.00 GPixel/s
Texture Rate
496.9 GTexel/s
160.0 GTexel/s
FP16 (half)
31.80 TFLOPS
-
FP32 (float)
31.80 TFLOPS
5.120 TFLOPS
FP64 (double)
496.9 GFLOPS
640.0 GFLOPS
Graphics Processor
GPU Name
GB203
Grenada
GPU Variant
GN22-X11-A1
Grenada PRO(215-0880030)
Architecture
Blackwell 2.0
GCN 2.0
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
45.6 billion
6.2 billion
Die Size
378 mm²
438 mm²
Board Design
TDP
95W
275W
Suggested PSU
550 W
600 W
Outputs
Portable Device Dependent
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
None
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.0
Vulkan
1.4
1.2
CUDA
12.0
-
Shader Model
6.8
6.3
📊 Benchmark
Blender
8,089
-
3DMark Time Spy
-
3,964
3DMark Time Spy Extreme
-
1,931