AMD Radeon RX Vega 64 Limited Edition vs AMD Radeon HD 7950 Mac Edition

VS

AMD Radeon RX Vega 64 Limited Edition

AMD Radeon HD 7950 Mac Edition

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX Vega 64 Limited Edition and 3GB VRAM Radeon HD 7950 Mac 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

Released 4 years and 5 months late

Boost Clock1546MHz

More VRAM (8GB vs 3GB)

Larger VRAM bandwidth (483.8GB/s vs 240.0GB/s)

2304 additional rendering cores

AMD Radeon HD 7950 Mac Edition 's Advantages

Lower TDP (200W vs 295W)

Score

Benchmark

FP32 (float)

Radeon RX Vega 64 Limited Edition +341%

12.66 TFLOPS

Radeon HD 7950 Mac Edition

2.867 TFLOPS

Radeon RX Vega 64 Limited Edition

VS

Radeon HD 7950 Mac Edition

Graphics Card

Aug 2017

Release Date

Mar 2013

Vega

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1247 MHz

Base Clock

-

1546 MHz

Boost Clock

-

945 MHz

Memory Clock

1250 MHz

Memory

8GB

Memory Size

3GB

HBM2

Memory Type

GDDR5

2048bit

Memory Bus

384bit

483.8GB/s

Bandwidth

240.0GB/s

Render Config

64

Compute Units

28

-

4096

Shading Units

1792

256

TMUs

112

64

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

768 KB

-

Theoretical Performance

98.94 GPixel/s

Pixel Rate

25.60 GPixel/s

395.8 GTexel/s

Texture Rate

89.60 GTexel/s

25.33 TFLOPS

FP16 (half)

-

12.66 TFLOPS

FP32 (float)

2.867 TFLOPS

791.6 GFLOPS

FP64 (double)

716.8 GFLOPS

Board Design

295W

TDP

200W

600 W

Suggested PSU

550 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

Tahiti

Vega 10 XT (215-0894200)

GPU Variant

Tahiti PRO (215-0821056)

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

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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