AMD Radeon HD 6390 vs AMD Radeon RX Vega 64

VS

AMD Radeon HD 6390

AMD Radeon RX Vega 64

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6390 and 8GB VRAM Radeon RX Vega 64 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 RX Vega 64 's Advantages

Released 6 years and 1 months late

Boost Clock1546MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (483.8GB/s vs 16.00GB/s)

3776 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6390

0.352 TFLOPS

Radeon RX Vega 64 +3496%

12.66 TFLOPS

Radeon HD 6390

VS

Radeon RX Vega 64

Graphics Card

Jul 2011

Release Date

Aug 2017

Northern Islands

Generation

Vega

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1247 MHz

-

Boost Clock

1546 MHz

500 MHz

Memory Clock

945 MHz

Memory

1024MB

Memory Size

8GB

DDR2

Memory Type

HBM2

128bit

Memory Bus

2048bit

16.00GB/s

Bandwidth

483.8GB/s

Render Config

4

Compute Units

64

-

320

Shading Units

4096

16

TMUs

256

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

98.94 GPixel/s

8.800 GTexel/s

Texture Rate

395.8 GTexel/s

-

FP16 (half)

25.33 TFLOPS

352.0 GFLOPS

FP32 (float)

12.66 TFLOPS

-

FP64 (double)

791.6 GFLOPS

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 10

Redwood LE

GPU Variant

Vega 10 XT (215-0894200)

TeraScale 2

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

0.627 billion

Transistors

12.5 billion

104 mm²

Die Size

495 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_1)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.2

-

5.0

Shader Model

6.4

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