AMD Radeon HD 6870 1600SP Edition vs AMD Radeon RX Vega 64

VS

AMD Radeon HD 6870 1600SP Edition

AMD Radeon RX Vega 64

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 1600SP Edition 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 6870 1600SP Edition 's Advantages

Lower TDP (175W vs 295W)

AMD Radeon RX Vega 64 's Advantages

Released 4 years and 7 months late

Boost Clock1546MHz

More VRAM (8GB vs 1024GB)

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

2496 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6870 1600SP Edition

2.72 TFLOPS

Radeon RX Vega 64 +365%

12.66 TFLOPS

Radeon HD 6870 1600SP Edition

VS

Radeon RX Vega 64

Graphics Card

Jan 2013

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

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

20

Compute Units

64

-

1600

Shading Units

4096

80

TMUs

256

32

ROPs

64

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

4 MB

-

Theoretical Performance

27.20 GPixel/s

Pixel Rate

98.94 GPixel/s

68.00 GTexel/s

Texture Rate

395.8 GTexel/s

-

FP16 (half)

25.33 TFLOPS

2.720 TFLOPS

FP32 (float)

12.66 TFLOPS

544.0 GFLOPS

FP64 (double)

791.6 GFLOPS

Board Design

175W

TDP

295W

450 W

Suggested PSU

600 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

Cypress

GPU Name

Vega 10

Cypress XT (215-0735033)

GPU Variant

Vega 10 XT (215-0894200)

TeraScale 2

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

2.154 billion

Transistors

12.5 billion

334 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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