AMD Radeon RX 6800S vs AMD Radeon R9 280
GPU · Specs Compare
Graphics Card
Release Date
Jan 2022
Mar 2014
Generation
Mobility Radeon
Volcanic Islands
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 3.0 x16
Clock Speeds
Base Clock
1800 MHz
827 MHz
Boost Clock
2100 MHz
933 MHz
Memory Clock
2000 MHz
1250 MHz
Memory
Memory Size
8GB
3GB
Memory Type
GDDR6
GDDR5
Memory Bus
128bit
384bit
Bandwidth
256.0GB/s
240.0GB/s
Render Config
Compute Units
32
28
Shading Units
2048
1792
TMUs
128
112
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
29.86 GPixel/s
Texture Rate
268.8 GTexel/s
104.5 GTexel/s
FP16 (half)
17.20 TFLOPS
—
FP32 (float)
8.602 TFLOPS
3.344 TFLOPS
FP64 (double)
537.6 GFLOPS
836.0 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 PRO3(215-0821330)
Board Design
TDP
100W
200W
Outputs
No outputs
1x DVI2x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
None
1x 6-pin + 1x 8-pin
Suggested PSU
—
550 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
▲ Specs Compare
Data sourced from official specifications and benchmark tests.