AMD Radeon HD 6850 X2 vs AMD Radeon RX Vega Nano

VS

AMD Radeon HD 6850 X2

AMD Radeon RX Vega Nano

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6850 X2 and 8GB VRAM Radeon RX Vega Nano to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX Vega Nano 's Advantages

Boost Clock1546MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (409.6GB/s vs 134.4GB/s)

3136 additional rendering cores

Lower TDP (175W vs 254W)

Score

Benchmark

FP32 (float)

Radeon HD 6850 X2

1.536 TFLOPS

Radeon RX Vega Nano +724%

12.66 TFLOPS

Radeon HD 6850 X2

VS

Radeon RX Vega Nano

Graphics Card

Sep 2011

Release Date

Unknown

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

1050 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

HBM2

256bit

Memory Bus

2048bit

134.4GB/s

Bandwidth

409.6GB/s

Render Config

12

Compute Units

64

-

960

Shading Units

4096

48

TMUs

256

32

ROPs

64

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

4 MB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

98.94 GPixel/s

38.40 GTexel/s

Texture Rate

395.8 GTexel/s

-

1.536 TFLOPS

FP32 (float)

12.66 TFLOPS

-

FP64 (double)

791.6 GFLOPS

Board Design

254W

TDP

175W

600 W

Suggested PSU

450 W

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

2x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

Barts

GPU Name

Vega 10

Barts PRO (215-0798006)

GPU Variant

Vega 10 XT (215-0894200)

TeraScale 2

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

1.7 billion

Transistors

12.5 billion

255 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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