AMD Radeon RX 6900 XTX vs AMD Radeon R9 M280X
GPU Specs Compare
Graphics Card
Release Date
Unknown
Feb 2015
Generation
Navi II
Gem System
Type
Desktop
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
2075 MHz
900 MHz
Boost Clock
2435 MHz
1000 MHz
Memory Clock
2250 MHz
1375 MHz
Memory
Memory Size
16GB
4GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
128bit
Bandwidth
576.0GB/s
88.00GB/s
Render Config
Compute Units
80
14
Shading Units
5120
896
TMUs
320
56
ROPs
128
16
RT Cores
80
-
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
4 MB
256 KB
L3 Cache
128 MB
-
Theoretical Performance
Pixel Rate
311.7 GPixel/s
16.00 GPixel/s
Texture Rate
779.2 GTexel/s
56.00 GTexel/s
FP16 (half)
49.87 TFLOPS
-
FP32 (float)
24.93 TFLOPS
1.792 TFLOPS
FP64 (double)
1.558 TFLOPS
112.0 GFLOPS
Graphics Processor
GPU Name
Navi 21
Saturn
GPU Variant
Navi 21 XTXH(215-121000247)
Saturn XT(216-0843024)
Architecture
RDNA 2.0
GCN 2.0
Foundry
TSMC
TSMC
Process Size
7 nm
28 nm
Transistors
26.8 billion
2.08 billion
Die Size
520 mm²
160 mm²
Board Design
TDP
330W
Unknown
Suggested PSU
700 W
-
Outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
Portable Device Dependent
Power Connectors
2x 8-pin
-
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.3
1.2.170
Shader Model
6.5
6.5