Radeon R9 280 vs Radeon RX 6700 XT
We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280 and 12GB VRAM Radeon RX 6700 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon R9 280 's Advantages
Lower TDP (200W vs 230W)
Radeon RX 6700 XT 's Advantages
Released 7 years late
Boost Clock has increased by 177% (2581MHz vs 933MHz)
More VRAM (12GB vs 3GB)
Larger VRAM bandwidth (384.0GB/s vs 240.0GB/s)
768 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon R9 280
3344
Radeon RX 6700 XT
+295%
13210
3DMark Time Spy
Radeon R9 280
2009
Radeon RX 6700 XT
+537%
12804
Graphics Card
Mar 2014
Release Date
Mar 2021
Volcanic Islands
Generation
Navi II
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
827 MHz
Base Clock
2321 MHz
933 MHz
Boost Clock
2581 MHz
1250 MHz
Memory Clock
2000 MHz
Memory
3GB
Memory Size
12GB
GDDR5
Memory Type
GDDR6
384bit
Memory Bus
192bit
240.0GB/s
Bandwidth
384.0GB/s
Render Config
28
Compute Units
40
1792
Shading Units
2560
112
TMUs
160
32
ROPs
64
-
RT Cores
40
16 KB (per CU)
L1 Cache
128 KB per Array
768 KB
L2 Cache
3 MB
-
L3 Cache
96 MB
Theoretical Performance
29.86 GPixel/s
Pixel Rate
165.2 GPixel/s
104.5 GTexel/s
Texture Rate
413.0 GTexel/s
-
FP16 (half)
26.43 TFLOPS
3.344 TFLOPS
FP32 (float)
13.21 TFLOPS
836.0 GFLOPS
FP64 (double)
825.9 GFLOPS
Board Design
200W
TDP
230W
550 W
Suggested PSU
550 W
1x DVI
2x HDMI 1.4a
1x DisplayPort 1.2
Outputs
1x HDMI 2.1
3x DisplayPort 1.4a
1x 6-pin + 1x 8-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
Tahiti
GPU Name
Navi 22
Tahiti PRO3
(215-0821330)
GPU Variant
Navi 22 XT
(215-127000006)
GCN 1.0
Architecture
RDNA 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
7 nm
4.313 billion
Transistors
17.2 billion
352 mm²
Die Size
335 mm²
Graphics Features
12 (11_1)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
1.2
OpenCL
2.1
1.2
Vulkan
1.3
5.1
Shader Model
6.5
