AMD Radeon RX Vega 64 vs AMD Radeon HD 7970 GHz Edition

VS

AMD Radeon RX Vega 64 AMD Radeon HD 7970 GHz Edition

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX Vega 64 and 3GB VRAM Radeon HD 7970 GHz Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX Vega 64 's Advantages

Released 5 years and 2 months late

Boost Clock has increased by 47% (1546MHz vs 1050MHz)

More VRAM (8GB vs 3GB)

Larger VRAM bandwidth (483.8GB/s vs 288.0GB/s)

2048 additional rendering cores

Lower TDP (295W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX Vega 64 +194%

12.66 TFLOPS

Radeon HD 7970 GHz Edition

4.301 TFLOPS

Radeon RX Vega 64

VS

Radeon HD 7970 GHz Edition

Graphics Card

Aug 2017

Release Date

Jun 2012

Vega

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1247 MHz

Base Clock

1000 MHz

1546 MHz

Boost Clock

1050 MHz

945 MHz

Memory Clock

1500 MHz

Memory

8GB

Memory Size

3GB

HBM2

Memory Type

GDDR5

2048bit

Memory Bus

384bit

483.8GB/s

Bandwidth

288.0GB/s

Render Config

-

SM Count

-

64

Compute Units

32

4096

Shading Units

2048

256

TMUs

128

64

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

768 KB

Theoretical Performance

98.94 GPixel/s

Pixel Rate

33.60 GPixel/s

395.8 GTexel/s

Texture Rate

134.4 GTexel/s

25.33 TFLOPS

FP16 (half)

-

12.66 TFLOPS

FP32 (float)

4.301 TFLOPS

791.6 GFLOPS

FP64 (double)

1075 GFLOPS

Graphics Processor

Vega 10

GPU Name

Tahiti

Vega 10 XT (215-0894200)

GPU Variant

Tahiti XT2 (215-0821065)

GCN 5.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

12.5 billion

Transistors

4.313 billion

495 mm²

Die Size

352 mm²

Board Design

295W

TDP

300W

600 W

Suggested PSU

700 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

1x 6-pin + 1x 8-pin

Graphics Features

12 (12_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

Vulkan

1.2

-

CUDA

-

6.4

Shader Model

5.1

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