AMD Radeon Pro W6800 vs AMD Radeon HD 6390

VS

AMD Radeon Pro W6800

AMD Radeon HD 6390

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro W6800 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 W6800 's Advantages

Released 9 years and 11 months late

Boost Clock2320MHz

More VRAM (32GB vs 1024GB)

Larger VRAM bandwidth (512.0GB/s vs 16.00GB/s)

3520 additional rendering cores

AMD Radeon HD 6390 's Advantages

Lower TDP (39W vs 250W)

Score

Benchmark

FP32 (float)

Radeon Pro W6800 +4962%

17.82 TFLOPS

Radeon HD 6390

0.352 TFLOPS

Radeon Pro W6800

VS

Radeon HD 6390

Graphics Card

Jun 2021

Release Date

Jul 2011

Radeon Pro

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2075 MHz

Base Clock

-

2320 MHz

Boost Clock

-

2000 MHz

Memory Clock

500 MHz

Memory

32GB

Memory Size

1024MB

GDDR6

Memory Type

DDR2

256bit

Memory Bus

128bit

512.0GB/s

Bandwidth

16.00GB/s

Render Config

60

Compute Units

4

-

3840

Shading Units

320

240

TMUs

16

96

ROPs

8

-

60

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

4 MB

L2 Cache

256 KB

128 MB

L3 Cache

-

Theoretical Performance

222.7 GPixel/s

Pixel Rate

4.400 GPixel/s

556.8 GTexel/s

Texture Rate

8.800 GTexel/s

35.64 TFLOPS

FP16 (half)

-

17.82 TFLOPS

FP32 (float)

352.0 GFLOPS

1114 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

39W

600 W

Suggested PSU

200 W

6x mini-DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Navi 21

GPU Name

Redwood

-

GPU Variant

Redwood LE

RDNA 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

26.8 billion

Transistors

0.627 billion

520 mm²

Die Size

104 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

1.3

Vulkan

N/A

-

6.5

Shader Model

5.0

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