AMD Radeon R9 M390X vs AMD Radeon RX 9070
GPU Specs Compare
Graphics Card
Release Date
May 2015
Mar 2025
Generation
Crystal System
Navi IV
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 5.0 x16
Clock Speeds
Memory Clock
1250 MHz
2518 MHz
Base Clock
-
1330 MHz
Boost Clock
-
2520 MHz
Memory
Memory Size
4GB
16GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
256bit
Bandwidth
160.0GB/s
644.6GB/s
Render Config
Compute Units
32
56
Shading Units
2048
3584
TMUs
128
224
ROPs
32
128
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
512 KB
8 MB
Tensor Cores
-
112
RT Cores
-
56
L3 Cache
-
64 MB
Theoretical Performance
Pixel Rate
23.14 GPixel/s
322.6 GPixel/s
Texture Rate
92.54 GTexel/s
564.5 GTexel/s
FP16 (half)
2.961 TFLOPS
72.25 TFLOPS
FP32 (float)
2.961 TFLOPS
36.13 TFLOPS
FP64 (double)
185.1 GFLOPS
1129 GFLOPS
Graphics Processor
GPU Name
Amethyst
Navi 48
GPU Variant
Amethyst XT
Navi 48 XT(215-176600331)
Architecture
GCN 3.0
RDNA 4.0
Foundry
TSMC
TSMC
Process Size
28 nm
4 nm
Transistors
5 billion
53.9 billion
Die Size
366 mm²
357 mm²
Board Design
TDP
75W
220W
Outputs
No outputs
1x HDMI 2.1b3x DisplayPort 2.1a
Power Connectors
None
2x 8-pin
Suggested PSU
-
550 W
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.0
2.2
Vulkan
1.2
1.3
Shader Model
6.3
6.8