Radeon R9 M295X Mac Edition and Radeon RX 6800 - video card comparison
Radeon R9 M295X Mac Edition
Radeon RX 6800
Architecture
GCN 3.0 (2014−2017)
Navi / RDNA2 (2020−2022)
GPU code name
Amethyst
Navi 21
Market segment
Desktop
Desktop
Release date
November 2014
November 2020
Interface
MXM-B (3.0)
PCIe 4.0 x16
Supplementary power connectors
-
2x 8-pin
Boost clock speed
-
2105 MHz
Core clock speed
850 MHz
1815 MHz
Floating-point performance
3,482 gflops
-
Manufacturing process technology
28 nm
7 nm
Number of transistors
5,000 million
26,800 million
Pipelines / CUDA cores
2048
3840
Power consumption (TDP)
250 Watt
250 Watt
Texture fill rate
108.8
505.2
Memory type
GDDR5
GDDR6
Maximum RAM amount
4 GB
16 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
5448 MHz
16000 MHz
Memory bandwidth
174.3 GB/s
512.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x HDMI, 2x DisplayPort, 1x USB Type-C
HDMI
-
+
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenCL
2.0
2.0
OpenGL
4.6
4.6
Shader Model
6.3
6.5
Vulkan
1.2.131
1.2