AMD Radeon HD 6390 vs AMD Radeon Pro W6400

VS

AMD Radeon HD 6390

AMD Radeon Pro W6400

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

Main Differences

AMD Radeon HD 6390 's Advantages

Lower TDP (39W vs 50W)

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

Score

Benchmark

FP32 (float)

Radeon HD 6390

0.352 TFLOPS

Radeon Pro W6400 +917%

3.58 TFLOPS

Radeon HD 6390

VS

Radeon Pro W6400

Graphics Card

Jul 2011

Release Date

Jan 2022

Northern Islands

Generation

Radeon Pro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

-

Base Clock

2331 MHz

-

Boost Clock

2331 MHz

500 MHz

Memory Clock

1750 MHz

Memory

1024MB

Memory Size

4GB

DDR2

Memory Type

GDDR6

128bit

Memory Bus

64bit

16.00GB/s

Bandwidth

112.0GB/s

Render Config

4

Compute Units

12

-

320

Shading Units

768

16

TMUs

48

8

ROPs

32

-

RT Cores

12

8 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

1024 KB

-

L3 Cache

8 MB

Theoretical Performance

4.400 GPixel/s

Pixel Rate

74.59 GPixel/s

8.800 GTexel/s

Texture Rate

111.9 GTexel/s

-

FP16 (half)

7.161 TFLOPS

352.0 GFLOPS

FP32 (float)

3.580 TFLOPS

-

FP64 (double)

223.8 GFLOPS

Board Design

39W

TDP

50W

200 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

2x DisplayPort 1.4a

None

Power Connectors

None

Graphics Processor

Redwood

GPU Name

Navi 24

Redwood LE

GPU Variant

Navi 24 XL-W

TeraScale 2

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

6 nm

0.627 billion

Transistors

5.4 billion

104 mm²

Die Size

107 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

2.2

N/A

Vulkan

1.3

-

5.0

Shader Model

6.6

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