AMD Radeon R5 340X OEM vs AMD Radeon HD 8740 OEM

VS

AMD Radeon R5 340X OEM

AMD Radeon HD 8740 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon R5 340X OEM and 1024MB VRAM Radeon HD 8740 OEM 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 8 months late

More VRAM (2GB vs 1024GB)

AMD Radeon HD 8740 OEM 's Advantages

Larger VRAM bandwidth (72.00GB/s vs 16.00GB/s)

128 additional rendering cores

Lower TDP (55W vs 65W)

Score

Benchmark

FP32 (float)

Radeon R5 340X OEM

0.691 TFLOPS

Radeon HD 8740 OEM +18%

0.819 TFLOPS

Radeon R5 340X OEM

VS

Radeon HD 8740 OEM

Graphics Card

May 2015

Release Date

Sep 2013

Pirate Islands

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

1125 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

16.00GB/s

Bandwidth

72.00GB/s

Render Config

6

Compute Units

8

-

384

Shading Units

512

24

TMUs

32

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

7.200 GPixel/s

Pixel Rate

12.80 GPixel/s

21.60 GTexel/s

Texture Rate

25.60 GTexel/s

-

691.2 GFLOPS

FP32 (float)

819.2 GFLOPS

43.20 GFLOPS

FP64 (double)

51.20 GFLOPS

Board Design

65W

TDP

55W

250 W

Suggested PSU

250 W

1x DVI 1x DisplayPort 1.2

Outputs

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

None

Power Connectors

None

Graphics Processor

Oland

GPU Name

Cape Verde

Oland XT (215-0837000)

GPU Variant

Cape Verde PRO

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.95 billion

Transistors

1.5 billion

77 mm²

Die Size

123 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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