Radeon RX 6800M vs Radeon R9 M280X
We compared two Mobile platform GPUs: 12GB VRAM Radeon RX 6800M and 4GB VRAM Radeon R9 M280X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 6800M 's Advantages
Released 6 years and 3 months late
Boost Clock has increased by 139% (2390MHz vs 1000MHz)
More VRAM (12GB vs 4GB)
Larger VRAM bandwidth (384.0GB/s vs 88.00GB/s)
1664 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon RX 6800M
+583%
12240
Radeon R9 M280X
1792
Graphics Card
May 2021
Release Date
Feb 2015
Mobility Radeon
Generation
Gem System
Mobile
Type
Mobile
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
2116 MHz
Base Clock
900 MHz
2390 MHz
Boost Clock
1000 MHz
2000 MHz
Memory Clock
1375 MHz
Memory
12GB
Memory Size
4GB
GDDR6
Memory Type
GDDR5
192bit
Memory Bus
128bit
384.0GB/s
Bandwidth
88.00GB/s
Render Config
40
Compute Units
14
2560
Shading Units
896
160
TMUs
56
64
ROPs
16
40
RT Cores
-
128 KB per Array
L1 Cache
16 KB (per CU)
3 MB
L2 Cache
256 KB
96 MB
L3 Cache
-
Theoretical Performance
153.0 GPixel/s
Pixel Rate
16.00 GPixel/s
382.4 GTexel/s
Texture Rate
56.00 GTexel/s
24.47 TFLOPS
FP16 (half)
-
12.24 TFLOPS
FP32 (float)
1.792 TFLOPS
764.8 GFLOPS
FP64 (double)
112.0 GFLOPS
Board Design
145W
TDP
Unknown
No outputs
Outputs
Portable Device Dependent
None
Power Connectors
-
Graphics Processor
Navi 22
GPU Name
Saturn
Navi 22 XTM
GPU Variant
Saturn XT
(216-0843024)
RDNA 2.0
Architecture
GCN 2.0
TSMC
Foundry
TSMC
7 nm
Process Size
28 nm
17.2 billion
Transistors
2.08 billion
335 mm²
Die Size
160 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (12_0)
4.6
OpenGL
4.6
2.1
OpenCL
2.1
1.3
Vulkan
1.2.170
6.5
Shader Model
6.5
