Home GPU Comparison AMD Radeon R9 280 vs AMD Radeon RX 6300

AMD Radeon R9 280 vs AMD Radeon RX 6300

We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280 and 2GB VRAM Radeon RX 6300 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 280 's Advantages
More VRAM (3GB vs 2GB)
Larger VRAM bandwidth (240.0GB/s vs 64.00GB/s)
1024 additional rendering cores
AMD Radeon RX 6300 's Advantages
Boost Clock has increased by 119% (2040MHz vs 933MHz)
Lower TDP (32W vs 200W)

Score

Benchmark

FP32 (float)
Radeon R9 280 +6%
3.344 TFLOPS
Radeon RX 6300
3.133 TFLOPS
3DMark Time Spy
Radeon R9 280 +32%
2009
Radeon RX 6300
1520

Graphics Card

Mar 2014
Release Date
Unknown
Volcanic Islands
Generation
Navi II
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x4

Clock Speeds

827 MHz
Base Clock
1000 MHz
933 MHz
Boost Clock
2040 MHz
1250 MHz
Memory Clock
2000 MHz

Memory

3GB
Memory Size
2GB
GDDR5
Memory Type
GDDR6
384bit
Memory Bus
32bit
240.0GB/s
Bandwidth
64.00GB/s

Render Config

28
Compute Units
12
-
-
-
1792
Shading Units
768
112
TMUs
48
32
ROPs
32
-
-
-
-
RT Cores
12
16 KB (per CU)
L1 Cache
128 KB per Array
768 KB
L2 Cache
1024 KB
-
L3 Cache
8 MB

Theoretical Performance

29.86 GPixel/s
Pixel Rate
65.28 GPixel/s
104.5 GTexel/s
Texture Rate
97.92 GTexel/s
-
FP16 (half)
6.267 TFLOPS
3.344 TFLOPS
FP32 (float)
3.133 TFLOPS
836.0 GFLOPS
FP64 (double)
195.8 GFLOPS

Board Design

200W
TDP
32W
550 W
Suggested PSU
200 W
1x DVI 2x HDMI 1.4a 1x DisplayPort 1.2
Outputs
2x HDMI 2.1
1x 6-pin + 1x 8-pin
Power Connectors
None

Graphics Processor

Tahiti
GPU Name
Navi 24
Tahiti PRO3 (215-0821330)
GPU Variant
Navi 24 XL
GCN 1.0
Architecture
RDNA 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
6 nm
4.313 billion
Transistors
5.4 billion
352 mm²
Die Size
107 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
6.7
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