AMD Radeon R9 M390 Mac Edition vs AMD Radeon RX 9070 XT
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
1365 MHz
2518 MHz
Base Clock
-
1660 MHz
Boost Clock
-
2970 MHz
Memory
Memory Size
2GB
16GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
256bit
Bandwidth
174.7GB/s
644.6GB/s
Render Config
Compute Units
16
64
Shading Units
1024
4096
TMUs
64
256
ROPs
32
128
L1 Cache
16 KB (per CU)
128
L2 Cache
512 KB
8 MB
Tensor Cores
-
128
RT Cores
-
64
L3 Cache
-
64 MB
Theoretical Performance
Pixel Rate
30.66 GPixel/s
380.2 GPixel/s
Texture Rate
61.31 GTexel/s
760.3 GTexel/s
FP32 (float)
1.962 TFLOPS
48.66 TFLOPS
FP64 (double)
122.6 GFLOPS
1.521 TFLOPS
FP16 (half)
-
97.32 TFLOPS
Graphics Processor
GPU Name
Pitcairn
Navi 48
GPU Variant
Pitcairn PRO(215-0828062)
Navi 48 XTX
Architecture
GCN 1.0
RDNA 4.0
Foundry
TSMC
TSMC
Process Size
28 nm
4 nm
Transistors
2.8 billion
53.9 billion
Die Size
212 mm²
357 mm²
Board Design
TDP
80W
304W
Outputs
No outputs
1x HDMI 2.1b3x DisplayPort 2.1a
Power Connectors
None
2x 8-pin
Suggested PSU
-
700 W
Graphics Features
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
1.2
2.2
Vulkan
1.2
1.4
Shader Model
5.1
6.8
📊 Benchmark
3DMark Time Spy
-
30,445
3DMark Time Spy Extreme
-
14,633
3DMark Speed Way
-
6,403