AMD Radeon HD 6970 X2 vs AMD Radeon RX Vega 64 Limited Edition

VS

AMD Radeon HD 6970 X2

AMD Radeon RX Vega 64 Limited Edition

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6970 X2 and 8GB VRAM Radeon RX Vega 64 Limited Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX Vega 64 Limited Edition 's Advantages

Boost Clock1546MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (483.8GB/s vs 176.0GB/s)

2560 additional rendering cores

Lower TDP (295W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 6970 X2

2.703 TFLOPS

Radeon RX Vega 64 Limited Edition +368%

12.66 TFLOPS

Radeon HD 6970 X2

VS

Radeon RX Vega 64 Limited Edition

Graphics Card

Unknown

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

1375 MHz

Memory Clock

945 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

HBM2

256bit

Memory Bus

2048bit

176.0GB/s

Bandwidth

483.8GB/s

Render Config

24

Compute Units

64

-

1536

Shading Units

4096

96

TMUs

256

32

ROPs

64

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

4 MB

-

Theoretical Performance

28.16 GPixel/s

Pixel Rate

98.94 GPixel/s

84.48 GTexel/s

Texture Rate

395.8 GTexel/s

-

FP16 (half)

25.33 TFLOPS

2.703 TFLOPS

FP32 (float)

12.66 TFLOPS

-

FP64 (double)

791.6 GFLOPS

Board Design

375W

TDP

295W

750 W

Suggested PSU

600 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 Processor

Antilles

GPU Name

Vega 10

Antilles XT (215-0807027)

GPU Variant

Vega 10 XT (215-0894200)

TeraScale 3

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

2.64 billion

Transistors

12.5 billion

389 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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