AMD Radeon R9 M395X Mac Edition vs AMD Radeon RX 6950 XT
GPU Specs Compare
Graphics Card
Release Date
May 2015
May 2022
Generation
Crystal System
Navi II
Type
Mobile
Desktop
Bus Interface
MXM-B (3.0)
PCIe 4.0 x16
Clock Speeds
Memory Clock
1365 MHz
2250 MHz
Base Clock
-
1860 MHz
Boost Clock
-
2310 MHz
Memory
Memory Size
4GB
16GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
256bit
Bandwidth
174.7GB/s
576.0GB/s
Render Config
Compute Units
32
80
Shading Units
2048
5120
TMUs
128
320
ROPs
32
128
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
512 KB
4 MB
RT Cores
-
80
L3 Cache
-
128 MB
Theoretical Performance
Pixel Rate
29.09 GPixel/s
295.7 GPixel/s
Texture Rate
116.4 GTexel/s
739.2 GTexel/s
FP16 (half)
3.723 TFLOPS
47.31 TFLOPS
FP32 (float)
3.723 TFLOPS
23.65 TFLOPS
FP64 (double)
232.7 GFLOPS
1478 GFLOPS
Graphics Processor
GPU Name
Amethyst
Navi 21
GPU Variant
Amethyst XT
Navi 21 KXTX(215-121000289)
Architecture
GCN 3.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
7 nm
Transistors
5 billion
26.8 billion
Die Size
366 mm²
520 mm²
Board Design
TDP
250W
335W
Outputs
No outputs
1x HDMI 2.12x DisplayPort 1.4a
Power Connectors
None
2x 8-pin
Suggested PSU
-
700 W
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.0
2.1
Vulkan
1.2
1.3
Shader Model
6.3
6.5