AMD Radeon HD 6390 vs AMD Radeon VII

VS

AMD Radeon HD 6390

AMD Radeon VII

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6390 and 16GB VRAM Radeon VII 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 295W)

AMD Radeon VII 's Advantages

Released 7 years and 7 months late

Boost Clock1750MHz

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (1020GB/s vs 16.00GB/s)

3520 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6390

0.352 TFLOPS

Radeon VII +3718%

13.44 TFLOPS

Radeon HD 6390

VS

Radeon VII

Graphics Card

Jul 2011

Release Date

Feb 2019

Northern Islands

Generation

Vega II

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1400 MHz

-

Boost Clock

1750 MHz

500 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

16GB

DDR2

Memory Type

HBM2

128bit

Memory Bus

4096bit

16.00GB/s

Bandwidth

1020GB/s

Render Config

4

Compute Units

60

-

320

Shading Units

3840

16

TMUs

240

8

ROPs

64

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

4 MB

-

Theoretical Performance

4.400 GPixel/s

Pixel Rate

112.0 GPixel/s

8.800 GTexel/s

Texture Rate

420.0 GTexel/s

-

FP16 (half)

26.88 TFLOPS

352.0 GFLOPS

FP32 (float)

13.44 TFLOPS

-

FP64 (double)

3.360 TFLOPS

Board Design

39W

TDP

295W

200 W

Suggested PSU

600 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

None

Power Connectors

2x 8-pin

Graphics Processor

Redwood

GPU Name

Vega 20

Redwood LE

GPU Variant

Vega 20 XT

TeraScale 2

Architecture

GCN 5.1

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

0.627 billion

Transistors

13.23 billion

104 mm²

Die Size

331 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_1)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.3

-

5.0

Shader Model

6.7

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