AMD Radeon RX 6800M vs AMD Radeon R9 M395 Mac Edition
GPU · Specs Compare
Graphics Card
Release Date
May 2021
May 2015
Generation
Mobility Radeon
Crystal System
Type
Mobile
Mobile
Bus Interface
PCIe 4.0 x16
MXM-B (3.0)
Clock Speeds
Base Clock
2116 MHz
—
Boost Clock
2390 MHz
—
Memory Clock
2000 MHz
1365 MHz
Memory
Memory Size
12GB
2GB
Memory Type
GDDR6
GDDR5
Memory Bus
192bit
256bit
Bandwidth
384.0GB/s
174.7GB/s
Render Config
Compute Units
40
28
Shading Units
2560
1792
TMUs
160
112
ROPs
64
32
RT Cores
40
—
L1 Cache
128 KB per Array
—
L2 Cache
3 MB
—
L3 Cache
96 MB
—
Theoretical Performance
Pixel Rate
153.0 GPixel/s
26.69 GPixel/s
Texture Rate
382.4 GTexel/s
93.41 GTexel/s
FP16 (half)
24.47 TFLOPS
—
FP32 (float)
12.24 TFLOPS
2.989 TFLOPS
FP64 (double)
764.8 GFLOPS
373.6 GFLOPS
Graphics Processor
GPU Name
Navi 22
Amethyst
GPU Variant
Navi 22 XTM
Amethyst PRO(216-0872004)
Architecture
RDNA 2.0
GCN 3.0
Foundry
TSMC
TSMC
Process Size
7 nm
28 nm
Transistors
17.2 billion
5 billion
Die Size
335 mm²
366 mm²
Board Design
TDP
145W
250W
Outputs
No outputs
No outputs
Power Connectors
None
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.1
2.0
Vulkan
1.3
1.2
Shader Model
6.5
6.3
Benchmark
3DMark Time Spy
11,498
—
3DMark Time Spy Extreme
5,418
—
3DMark Speed Way
2,096
—
Blender
1,568
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.