AMD Radeon HD 7970 GHz Edition vs AMD Radeon RX Vega Nano

VS

AMD Radeon HD 7970 GHz Edition

AMD Radeon RX Vega Nano

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 GHz Edition 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 Clock has increased by 47% (1546MHz vs 1050MHz)

More VRAM (8GB vs 3GB)

Larger VRAM bandwidth (409.6GB/s vs 288.0GB/s)

2048 additional rendering cores

Lower TDP (175W vs 300W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 GHz Edition

4.301 TFLOPS

Radeon RX Vega Nano +194%

12.66 TFLOPS

Radeon HD 7970 GHz Edition

VS

Radeon RX Vega Nano

Graphics Card

Jun 2012

Release Date

Unknown

Southern Islands

Generation

Vega

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1000 MHz

Base Clock

1247 MHz

1050 MHz

Boost Clock

1546 MHz

1500 MHz

Memory Clock

800 MHz

Memory

3GB

Memory Size

8GB

GDDR5

Memory Type

HBM2

384bit

Memory Bus

2048bit

288.0GB/s

Bandwidth

409.6GB/s

Render Config

32

Compute Units

64

-

2048

Shading Units

4096

128

TMUs

256

32

ROPs

64

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

4 MB

-

Theoretical Performance

33.60 GPixel/s

Pixel Rate

98.94 GPixel/s

134.4 GTexel/s

Texture Rate

395.8 GTexel/s

-

4.301 TFLOPS

FP32 (float)

12.66 TFLOPS

1075 GFLOPS

FP64 (double)

791.6 GFLOPS

Board Design

300W

TDP

175W

700 W

Suggested PSU

450 W

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

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

1x 6-pin + 1x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

Tahiti

GPU Name

Vega 10

Tahiti XT2 (215-0821065)

GPU Variant

Vega 10 XT (215-0894200)

GCN 1.0

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

4.313 billion

Transistors

12.5 billion

352 mm²

Die Size

495 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2

-

5.1

Shader Model

6.4

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