AMD Radeon R9 M390 Mac Edition vs NVIDIA GeForce RTX 4090 D
GPU Specs Compare
Graphics Card
Release Date
May 2015
Dec 2023
Generation
Crystal System
GeForce 40
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1365 MHz
1313 MHz
Base Clock
-
2280 MHz
Boost Clock
-
2520 MHz
Memory
Memory Size
2GB
24GB
Memory Type
GDDR5
GDDR6X
Memory Bus
256bit
384bit
Bandwidth
174.7GB/s
1008GB/s
Render Config
Compute Units
16
-
Shading Units
1024
14592
TMUs
64
456
ROPs
32
176
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
512 KB
72 MB
SM Count
-
114
Tensor Cores
-
456
RT Cores
-
114
Theoretical Performance
Pixel Rate
30.66 GPixel/s
443.5 GPixel/s
Texture Rate
61.31 GTexel/s
1149 GTexel/s
FP32 (float)
1.962 TFLOPS
73.54 TFLOPS
FP64 (double)
122.6 GFLOPS
1149 GFLOPS
FP16 (half)
-
73.54 TFLOPS
Graphics Processor
GPU Name
Pitcairn
AD102
GPU Variant
Pitcairn PRO(215-0828062)
AD102-250-A1
Architecture
GCN 1.0
Ada Lovelace
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
2.8 billion
76.3 billion
Die Size
212 mm²
609 mm²
Board Design
TDP
80W
425W
Outputs
No outputs
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
None
1x 16-pin
Suggested PSU
-
800 W
Graphics Features
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
1.2
3.0
Vulkan
1.2
1.3
Shader Model
5.1
6.7
CUDA
-
8.9