AMD Radeon RX 6800S vs AMD Radeon R9 280X
GPU Specs Compare
Graphics Card
Release Date
Jan 2022
Oct 2013
Generation
Mobility Radeon
Volcanic Islands
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 3.0 x16
Clock Speeds
Base Clock
1800 MHz
850 MHz
Boost Clock
2100 MHz
1000 MHz
Memory Clock
2000 MHz
1500 MHz
Memory
Memory Size
8GB
3GB
Memory Type
GDDR6
GDDR5
Memory Bus
128bit
384bit
Bandwidth
256.0GB/s
288.0GB/s
Render Config
Compute Units
32
32
Shading Units
2048
2048
TMUs
128
128
ROPs
64
32
RT Cores
32
-
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
2 MB
768 KB
L3 Cache
32 MB
-
Theoretical Performance
Pixel Rate
134.4 GPixel/s
32.00 GPixel/s
Texture Rate
268.8 GTexel/s
128.0 GTexel/s
FP16 (half)
17.20 TFLOPS
-
FP32 (float)
8.602 TFLOPS
4.096 TFLOPS
FP64 (double)
537.6 GFLOPS
1024 GFLOPS
Graphics Processor
GPU Name
Navi 23
Tahiti
Architecture
RDNA 2.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
7 nm
28 nm
Transistors
11.06 billion
4.313 billion
Die Size
237 mm²
352 mm²
GPU Variant
-
Tahiti XTL(215-0821065)
Board Design
TDP
100W
250W
Outputs
No outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
None
1x 6-pin + 1x 8-pin
Suggested PSU
-
600 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