AMD Radeon R9 380 vs AMD Radeon RX 6800 XT

VS

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 380 and 16GB VRAM Radeon RX 6800 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 380 's Advantages

Lower TDP (190W vs 300W)

AMD Radeon RX 6800 XT 's Advantages

Released 5 years and 4 months late

Boost Clock2250MHz

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 176.0GB/s)

2816 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 380

3.476 TFLOPS

Radeon RX 6800 XT +496%

20.74 TFLOPS

3DMark Time Spy

Radeon R9 380

2791

Radeon RX 6800 XT +596%

19428

Radeon R9 380

VS

Radeon RX 6800 XT

Graphics Card

Jun 2015

Release Date

Oct 2020

Pirate Islands

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1825 MHz

-

Boost Clock

2250 MHz

1375 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

256bit

176.0GB/s

Bandwidth

512.0GB/s

Render Config

-

SM Count

-

28

Compute Units

72

1792

Shading Units

4608

112

TMUs

288

32

ROPs

128

-

Tensor Cores

-

RT Cores

72

16 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

4 MB

Theoretical Performance

31.04 GPixel/s

Pixel Rate

288.0 GPixel/s

108.6 GTexel/s

Texture Rate

648.0 GTexel/s

3.476 TFLOPS

FP16 (half)

41.47 TFLOPS

3.476 TFLOPS

FP32 (float)

20.74 TFLOPS

217.3 GFLOPS

FP64 (double)

1296 GFLOPS

Graphics Processor

Antigua

GPU Name

Navi 21

Antigua PRO (215-0877000)

GPU Variant

Navi 21 XT (215-121000177)

GCN 3.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

5 billion

Transistors

26.8 billion

366 mm²

Die Size

520 mm²

Board Design

190W

TDP

300W

450 W

Suggested PSU

700 W

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C

2x 6-pin

Power Connectors

2x 8-pin

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.0

OpenCL

2.1

1.2

Vulkan

1.3

-

CUDA

-

6.3

Shader Model

6.5

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