AMD Radeon HD 7970 X2 vs AMD Radeon RX Vega 56

VS

AMD Radeon HD 7970 X2 AMD Radeon RX Vega 56

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 X2 and 8GB VRAM Radeon RX Vega 56 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX Vega 56 's Advantages

Released 5 years late

Boost Clock1471MHz

More VRAM (8GB vs 3GB)

Larger VRAM bandwidth (409.6GB/s vs 264.0GB/s)

1536 additional rendering cores

Lower TDP (210W vs 500W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 X2

3.789 TFLOPS

Radeon RX Vega 56 +178%

10.54 TFLOPS

Radeon HD 7970 X2

VS

Radeon RX Vega 56

Graphics Card

Aug 2012

Release Date

Aug 2017

Southern Islands

Generation

Vega

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1156 MHz

-

Boost Clock

1471 MHz

1375 MHz

Memory Clock

800 MHz

Memory

3GB

Memory Size

8GB

GDDR5

Memory Type

HBM2

384bit

Memory Bus

2048bit

264.0GB/s

Bandwidth

409.6GB/s

Render Config

-

SM Count

-

32

Compute Units

56

2048

Shading Units

3584

128

TMUs

224

32

ROPs

64

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

4 MB

Theoretical Performance

29.60 GPixel/s

Pixel Rate

94.14 GPixel/s

118.4 GTexel/s

Texture Rate

329.5 GTexel/s

-

FP16 (half)

21.09 TFLOPS

3.789 TFLOPS

FP32 (float)

10.54 TFLOPS

947.2 GFLOPS

FP64 (double)

659.0 GFLOPS

Graphics Processor

New Zealand

GPU Name

Vega 10

-

GPU Variant

Vega 10 XL (215-0894216)

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

Board Design

500W

TDP

210W

900 W

Suggested PSU

550 W

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

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

3x 8-pin

Power Connectors

2x 8-pin

Graphics Features

12 (11_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2

-

CUDA

-

5.1

Shader Model

6.4

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