AMD Radeon RX Vega 64 Liquid Cooling vs AMD Radeon HD 7870 GHz Edition

VS

AMD Radeon RX Vega 64 Liquid Cooling

AMD Radeon HD 7870 GHz Edition

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX Vega 64 Liquid Cooling and 2GB VRAM Radeon HD 7870 GHz Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX Vega 64 Liquid Cooling 's Advantages

Released 5 years and 5 months late

Boost Clock1677MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (483.8GB/s vs 153.6GB/s)

2816 additional rendering cores

AMD Radeon HD 7870 GHz Edition 's Advantages

Lower TDP (175W vs 345W)

Score

Benchmark

FP32 (float)

Radeon RX Vega 64 Liquid Cooling +436%

13.74 TFLOPS

Radeon HD 7870 GHz Edition

2.56 TFLOPS

Radeon RX Vega 64 Liquid Cooling

VS

Radeon HD 7870 GHz Edition

Graphics Card

Aug 2017

Release Date

Mar 2012

Vega

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1406 MHz

Base Clock

-

1677 MHz

Boost Clock

-

945 MHz

Memory Clock

1200 MHz

Memory

8GB

Memory Size

2GB

HBM2

Memory Type

GDDR5

2048bit

Memory Bus

256bit

483.8GB/s

Bandwidth

153.6GB/s

Render Config

64

Compute Units

20

-

4096

Shading Units

1280

256

TMUs

80

64

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

512 KB

-

Theoretical Performance

107.3 GPixel/s

Pixel Rate

32.00 GPixel/s

429.3 GTexel/s

Texture Rate

80.00 GTexel/s

27.48 TFLOPS

FP16 (half)

-

13.74 TFLOPS

FP32 (float)

2.560 TFLOPS

858.6 GFLOPS

FP64 (double)

160.0 GFLOPS

Board Design

345W

TDP

175W

700 W

Suggested PSU

450 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

2x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Vega 10

GPU Name

Pitcairn

Vega 10 XTX

GPU Variant

Pitcairn XT (215-0828047)

GCN 5.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

12.5 billion

Transistors

2.8 billion

495 mm²

Die Size

212 mm²

Graphics Features

12 (12_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

Vulkan

1.2

-

6.4

Shader Model

5.1

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