AMD Radeon HD 6870 vs AMD Radeon RX Vega 64 Liquid Cooling

VS

AMD Radeon HD 6870

AMD Radeon RX Vega 64 Liquid Cooling

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 and 8GB VRAM Radeon RX Vega 64 Liquid Cooling to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870 's Advantages

Lower TDP (151W vs 345W)

AMD Radeon RX Vega 64 Liquid Cooling 's Advantages

Released 6 years and 10 months late

Boost Clock1677MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (483.8GB/s vs 134.4GB/s)

2976 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6870

2.016 TFLOPS

Radeon RX Vega 64 Liquid Cooling +581%

13.74 TFLOPS

Radeon HD 6870

VS

Radeon RX Vega 64 Liquid Cooling

Graphics Card

Oct 2010

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

1406 MHz

-

Boost Clock

1677 MHz

1050 MHz

Memory Clock

945 MHz

Memory

1024MB

Memory Size

8GB

GDDR5

Memory Type

HBM2

256bit

Memory Bus

2048bit

134.4GB/s

Bandwidth

483.8GB/s

Render Config

14

Compute Units

64

-

1120

Shading Units

4096

56

TMUs

256

32

ROPs

64

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

4 MB

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

107.3 GPixel/s

50.40 GTexel/s

Texture Rate

429.3 GTexel/s

-

FP16 (half)

27.48 TFLOPS

2.016 TFLOPS

FP32 (float)

13.74 TFLOPS

-

FP64 (double)

858.6 GFLOPS

Board Design

151W

TDP

345W

450 W

Suggested PSU

700 W

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

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

2x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

Barts

GPU Name

Vega 10

Barts XT (215-0798000)

GPU Variant

Vega 10 XTX

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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