Radeon RX 7900 XT vs Radeon R9 380
We compared two Desktop platform GPUs: 20GB VRAM Radeon RX 7900 XT and 2GB VRAM Radeon R9 380 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 7900 XT 's Advantages
Released 7 years and 5 months late
Boost Clock2394MHz
More VRAM (20GB vs 2GB)
Larger VRAM bandwidth (800.0GB/s vs 176.0GB/s)
3584 additional rendering cores
Radeon R9 380 's Advantages
Lower TDP (190W vs 300W)
Score
Benchmark
FP32 (float)
Radeon RX 7900 XT
+1381%
51480
Radeon R9 380
3476
3DMark Time Spy
Radeon RX 7900 XT
+873%
26829
Radeon R9 380
2757
3DMark Time Spy Extreme
Radeon RX 7900 XT
+959%
13130
Radeon R9 380
1239
Graphics Card
Nov 2022
Release Date
Jun 2015
Navi III
Generation
Pirate Islands
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1387 MHz
Base Clock
-
2394 MHz
Boost Clock
-
2500 MHz
Memory Clock
1375 MHz
Memory
20GB
Memory Size
2GB
GDDR6
Memory Type
GDDR5
320bit
Memory Bus
256bit
800.0GB/s
Bandwidth
176.0GB/s
Render Config
84
Compute Units
28
5376
Shading Units
1792
336
TMUs
112
192
ROPs
32
84
RT Cores
-
256 KB per Array
L1 Cache
16 KB (per CU)
6 MB
L2 Cache
512 KB
80 MB
L3 Cache
-
Theoretical Performance
459.6 GPixel/s
Pixel Rate
31.04 GPixel/s
804.4 GTexel/s
Texture Rate
108.6 GTexel/s
103.0 TFLOPS
FP16 (half)
3.476 TFLOPS
51.48 TFLOPS
FP32 (float)
3.476 TFLOPS
1.609 TFLOPS
FP64 (double)
217.3 GFLOPS
Board Design
300W
TDP
190W
700 W
Suggested PSU
450 W
1x HDMI 2.1a
2x DisplayPort 2.1
1x USB Type-C
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
2x 8-pin
Power Connectors
2x 6-pin
Graphics Processor
Navi 31
GPU Name
Antigua
Navi 31 XT
(215-145000156)
GPU Variant
Antigua PRO
(215-0877000)
RDNA 3.0
Architecture
GCN 3.0
TSMC
Foundry
TSMC
5 nm
Process Size
28 nm
57.7 billion
Transistors
5 billion
529 mm²
Die Size
366 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (12_0)
4.6
OpenGL
4.6
2.2
OpenCL
2.0
1.3
Vulkan
1.2
6.7
Shader Model
6.3
