AMD Radeon RX 6800M vs AMD Radeon R9 280X2
GPU Specs Compare
Graphics Card
Release Date
May 2021
Unknown
Generation
Mobility Radeon
Volcanic Islands
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
2116 MHz
950 MHz
Boost Clock
2390 MHz
1000 MHz
Memory Clock
2000 MHz
1500 MHz
Memory
Memory Size
12GB
3GB
Memory Type
GDDR6
GDDR5
Memory Bus
192bit
384bit
Bandwidth
384.0GB/s
288.0GB/s
Render Config
Compute Units
40
32
Shading Units
2560
2048
TMUs
160
128
ROPs
64
32
RT Cores
40
-
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
3 MB
768 KB
L3 Cache
96 MB
-
Theoretical Performance
Pixel Rate
153.0 GPixel/s
32.00 GPixel/s
Texture Rate
382.4 GTexel/s
128.0 GTexel/s
FP16 (half)
24.47 TFLOPS
-
FP32 (float)
12.24 TFLOPS
4.096 TFLOPS
FP64 (double)
764.8 GFLOPS
1024 GFLOPS
Graphics Processor
GPU Name
Navi 22
Tahiti
GPU Variant
Navi 22 XTM
Tahiti XTL(215-0821065)
Architecture
RDNA 2.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
7 nm
28 nm
Transistors
17.2 billion
4.313 billion
Die Size
335 mm²
352 mm²
Board Design
TDP
145W
375W
Outputs
No outputs
6x mini-DisplayPort 1.2
Power Connectors
None
3x 8-pin
Suggested PSU
-
750 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.1
1.2
Vulkan
1.3
1.2
Shader Model
6.5
5.1
📊 Benchmark
3DMark Time Spy
11,498
-
3DMark Time Spy Extreme
5,418
-
3DMark Speed Way
2,096
-
Blender
1,568
-