Radeon R9 280 vs Radeon RX 9070 XT
We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280 and 16GB VRAM Radeon RX 9070 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 304W)
Radeon RX 9070 XT 's Advantages
Released 11 years late
Boost Clock has increased by 218% (2970MHz vs 933MHz)
More VRAM (16GB vs 3GB)
Larger VRAM bandwidth (644.6GB/s vs 240.0GB/s)
2304 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon R9 280
3344
Radeon RX 9070 XT
+1355%
48660
3DMark Time Spy
Radeon R9 280
2009
Radeon RX 9070 XT
+1415%
30445
Graphics Card
Mar 2014
Release Date
Mar 2025
Volcanic Islands
Generation
Navi IV
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 5.0 x16
Clock Speeds
827 MHz
Base Clock
1660 MHz
933 MHz
Boost Clock
2970 MHz
1250 MHz
Memory Clock
2518 MHz
Memory
3GB
Memory Size
16GB
GDDR5
Memory Type
GDDR6
384bit
Memory Bus
256bit
240.0GB/s
Bandwidth
644.6GB/s
Render Config
28
Compute Units
64
1792
Shading Units
4096
112
TMUs
256
32
ROPs
128
-
Tensor Cores
128
-
RT Cores
64
16 KB (per CU)
L1 Cache
128 KB per Array
768 KB
L2 Cache
8 MB
-
L3 Cache
64 MB
Theoretical Performance
29.86 GPixel/s
Pixel Rate
380.2 GPixel/s
104.5 GTexel/s
Texture Rate
760.3 GTexel/s
-
FP16 (half)
97.32 TFLOPS
3.344 TFLOPS
FP32 (float)
48.66 TFLOPS
836.0 GFLOPS
FP64 (double)
1.521 TFLOPS
Board Design
200W
TDP
304W
550 W
Suggested PSU
700 W
1x DVI
2x HDMI 1.4a
1x DisplayPort 1.2
Outputs
1x HDMI 2.1b
3x DisplayPort 2.1a
1x 6-pin + 1x 8-pin
Power Connectors
2x 8-pin
Graphics Processor
Tahiti
GPU Name
Navi 48
Tahiti PRO3
(215-0821330)
GPU Variant
Navi 48 XT
(215-176600315)
GCN 1.0
Architecture
RDNA 4.0
TSMC
Foundry
TSMC
28 nm
Process Size
5 nm
4.313 billion
Transistors
53.9 billion
352 mm²
Die Size
357 mm²
Graphics Features
12 (11_1)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
1.2
OpenCL
2.2
1.2
Vulkan
1.3
5.1
Shader Model
6.8
