AMD Radeon Pro W6400 vs AMD Radeon HD 6390

VS

AMD Radeon Pro W6400

AMD Radeon HD 6390

We compared two Desktop platform GPUs: 4GB VRAM Radeon Pro W6400 and 1024MB VRAM Radeon HD 6390 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro W6400 's Advantages

Released 10 years and 6 months late

Boost Clock2331MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (112.0GB/s vs 16.00GB/s)

448 additional rendering cores

AMD Radeon HD 6390 's Advantages

Lower TDP (39W vs 50W)

Score

Benchmark

FP32 (float)

Radeon Pro W6400 +917%

3.58 TFLOPS

Radeon HD 6390

0.352 TFLOPS

Radeon Pro W6400

VS

Radeon HD 6390

Graphics Card

Jan 2022

Release Date

Jul 2011

Radeon Pro

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x4

Bus Interface

PCIe 2.0 x16

Clock Speeds

2331 MHz

Base Clock

-

2331 MHz

Boost Clock

-

1750 MHz

Memory Clock

500 MHz

Memory

4GB

Memory Size

1024MB

GDDR6

Memory Type

DDR2

64bit

Memory Bus

128bit

112.0GB/s

Bandwidth

16.00GB/s

Render Config

12

Compute Units

4

-

768

Shading Units

320

48

TMUs

16

32

ROPs

8

-

12

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

256 KB

8 MB

L3 Cache

-

Theoretical Performance

74.59 GPixel/s

Pixel Rate

4.400 GPixel/s

111.9 GTexel/s

Texture Rate

8.800 GTexel/s

7.161 TFLOPS

FP16 (half)

-

3.580 TFLOPS

FP32 (float)

352.0 GFLOPS

223.8 GFLOPS

FP64 (double)

-

Board Design

50W

TDP

39W

250 W

Suggested PSU

200 W

2x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

None

Power Connectors

None

Graphics Processor

Navi 24

GPU Name

Redwood

Navi 24 XL-W

GPU Variant

Redwood LE

RDNA 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

6 nm

Process Size

40 nm

5.4 billion

Transistors

0.627 billion

107 mm²

Die Size

104 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.2

OpenCL

1.2

1.3

Vulkan

N/A

-

6.6

Shader Model

5.0

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