AMD Radeon RX Vega 64 Limited Edition vs AMD Radeon R9 295X2

VS

AMD Radeon RX Vega 64 Limited Edition

AMD Radeon R9 295X2

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX Vega 64 Limited Edition and 4GB VRAM Radeon R9 295X2 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 3 years and 4 months late

Boost Clock1546MHz

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (483.8GB/s vs 320.0GB/s)

1280 additional rendering cores

Lower TDP (295W vs 500W)

Score

Benchmark

FP32 (float)

Radeon RX Vega 64 Limited Edition +120%

12.66 TFLOPS

Radeon R9 295X2

5.733 TFLOPS

Radeon RX Vega 64 Limited Edition

VS

Radeon R9 295X2

Graphics Card

Aug 2017

Release Date

Apr 2014

Vega

Generation

Volcanic 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

4GB

HBM2

Memory Type

GDDR5

2048bit

Memory Bus

512bit

483.8GB/s

Bandwidth

320.0GB/s

Render Config

64

Compute Units

44

-

4096

Shading Units

2816

256

TMUs

176

64

ROPs

64

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

1024 KB

-

Theoretical Performance

98.94 GPixel/s

Pixel Rate

65.15 GPixel/s

395.8 GTexel/s

Texture Rate

179.2 GTexel/s

25.33 TFLOPS

FP16 (half)

-

12.66 TFLOPS

FP32 (float)

5.733 TFLOPS

791.6 GFLOPS

FP64 (double)

716.7 GFLOPS

Board Design

295W

TDP

500W

600 W

Suggested PSU

900 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

1x DVI 4x mini-DisplayPort 1.2

2x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Vega 10

GPU Name

Vesuvius

Vega 10 XT (215-0894200)

GPU Variant

Vesuvius XT (215-0852022)

GCN 5.0

Architecture

GCN 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

12.5 billion

Transistors

6.2 billion

495 mm²

Die Size

438 mm²

Graphics Features

12 (12_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.0

1.2

Vulkan

1.2

-

6.4

Shader Model

6.3

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