AMD Radeon R5 340X OEM vs AMD Radeon R9 270

VS

AMD Radeon R5 340X OEM

AMD Radeon R9 270

We compared two Desktop platform GPUs: 2GB VRAM Radeon R5 340X OEM and 2GB VRAM Radeon R9 270 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 340X OEM 's Advantages

Released 1 years and 6 months late

Lower TDP (65W vs 150W)

AMD Radeon R9 270 's Advantages

Boost Clock925MHz

Larger VRAM bandwidth (179.2GB/s vs 16.00GB/s)

896 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 340X OEM

0.691 TFLOPS

Radeon R9 270 +242%

2.368 TFLOPS

Radeon R5 340X OEM

VS

Radeon R9 270

Graphics Card

May 2015

Release Date

Nov 2013

Pirate Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

925 MHz

1000 MHz

Memory Clock

1400 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

16.00GB/s

Bandwidth

179.2GB/s

Render Config

6

Compute Units

20

-

384

Shading Units

1280

24

TMUs

80

8

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

7.200 GPixel/s

Pixel Rate

29.60 GPixel/s

21.60 GTexel/s

Texture Rate

74.00 GTexel/s

-

691.2 GFLOPS

FP32 (float)

2.368 TFLOPS

43.20 GFLOPS

FP64 (double)

148.0 GFLOPS

Board Design

65W

TDP

150W

250 W

Suggested PSU

450 W

1x DVI 1x DisplayPort 1.2

Outputs

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

None

Power Connectors

1x 6-pin

Graphics Processor

Oland

GPU Name

Curacao

Oland XT (215-0837000)

GPU Variant

Curacao PRO (215-0848000)

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.95 billion

Transistors

2.8 billion

77 mm²

Die Size

212 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.2

OpenCL

1.2

Vulkan

1.2

-

5.1

Shader Model

5.1

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