AMD Radeon R5 340X OEM vs AMD Radeon RX Vega 64 Limited Edition

VS

AMD Radeon R5 340X OEM

AMD Radeon RX Vega 64 Limited Edition

We compared two Desktop platform GPUs: 2GB VRAM Radeon R5 340X OEM 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 R5 340X OEM 's Advantages

Lower TDP (65W vs 295W)

AMD Radeon RX Vega 64 Limited Edition 's Advantages

Released 2 years and 3 months late

Boost Clock1546MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (483.8GB/s vs 16.00GB/s)

3712 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 340X OEM

0.691 TFLOPS

Radeon RX Vega 64 Limited Edition +1732%

12.66 TFLOPS

Radeon R5 340X OEM

VS

Radeon RX Vega 64 Limited Edition

Graphics Card

May 2015

Release Date

Aug 2017

Pirate Islands

Generation

Vega

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1247 MHz

-

Boost Clock

1546 MHz

1000 MHz

Memory Clock

945 MHz

Memory

2GB

Memory Size

8GB

DDR3

Memory Type

HBM2

64bit

Memory Bus

2048bit

16.00GB/s

Bandwidth

483.8GB/s

Render Config

6

Compute Units

64

-

384

Shading Units

4096

24

TMUs

256

8

ROPs

64

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

4 MB

-

Theoretical Performance

7.200 GPixel/s

Pixel Rate

98.94 GPixel/s

21.60 GTexel/s

Texture Rate

395.8 GTexel/s

-

FP16 (half)

25.33 TFLOPS

691.2 GFLOPS

FP32 (float)

12.66 TFLOPS

43.20 GFLOPS

FP64 (double)

791.6 GFLOPS

Board Design

65W

TDP

295W

250 W

Suggested PSU

600 W

1x DVI 1x DisplayPort 1.2

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

None

Power Connectors

2x 8-pin

Graphics Processor

Oland

GPU Name

Vega 10

Oland XT (215-0837000)

GPU Variant

Vega 10 XT (215-0894200)

GCN 1.0

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

0.95 billion

Transistors

12.5 billion

77 mm²

Die Size

495 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2

-

5.1

Shader Model

6.4

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