AMD Radeon R9 380 vs AMD Radeon RX 6900 XT
GPU · Specs Compare
Graphics Card
Release Date
Jun 2015
Oct 2020
Generation
Pirate Islands
Navi II
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1375 MHz
2000 MHz
Base Clock
—
1825 MHz
Boost Clock
—
2250 MHz
Memory
Memory Size
2GB
16GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
256bit
Bandwidth
176.0GB/s
512.0GB/s
Render Config
Compute Units
28
80
Shading Units
1792
5120
TMUs
112
320
ROPs
32
128
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
512 KB
4 MB
RT Cores
—
80
L3 Cache
—
128 MB
Theoretical Performance
Pixel Rate
31.04 GPixel/s
288.0 GPixel/s
Texture Rate
108.6 GTexel/s
720.0 GTexel/s
FP16 (half)
3.476 TFLOPS
46.08 TFLOPS
FP32 (float)
3.476 TFLOPS
23.04 TFLOPS
FP64 (double)
217.3 GFLOPS
1440.0 GFLOPS
Graphics Processor
GPU Name
Antigua
Navi 21
GPU Variant
Antigua PRO(215-0877000)
Navi 21 XTX(215-121000167)
Architecture
GCN 3.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
7 nm
Transistors
5 billion
26.8 billion
Die Size
366 mm²
520 mm²
Board Design
TDP
190W
300W
Suggested PSU
450 W
700 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
Power Connectors
2x 6-pin
2x 8-pin
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.0
2.1
Vulkan
1.2
1.4
Shader Model
6.3
6.8
Benchmark
3DMark Time Spy
2,757
20,764
3DMark Time Spy Extreme
1,239
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.