AMD Radeon R5 340X OEM vs AMD Radeon HD 6770 Green Edition

VS

AMD Radeon R5 340X OEM

AMD Radeon HD 6770 Green Edition

We compared two Desktop platform GPUs: 2GB VRAM Radeon R5 340X OEM and 2GB VRAM Radeon HD 6770 Green 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

Released 2 years and 1 months late

Lower TDP (65W vs 86W)

AMD Radeon HD 6770 Green Edition 's Advantages

Larger VRAM bandwidth (21.34GB/s vs 16.00GB/s)

336 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 340X OEM

0.691 TFLOPS

Radeon HD 6770 Green Edition +45%

1.008 TFLOPS

Radeon R5 340X OEM

VS

Radeon HD 6770 Green Edition

Graphics Card

May 2015

Release Date

Apr 2013

Pirate Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

667 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

GDDR3

64bit

Memory Bus

128bit

16.00GB/s

Bandwidth

21.34GB/s

Render Config

6

Compute Units

9

-

384

Shading Units

720

24

TMUs

36

8

ROPs

16

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

7.200 GPixel/s

Pixel Rate

11.20 GPixel/s

21.60 GTexel/s

Texture Rate

25.20 GTexel/s

-

691.2 GFLOPS

FP32 (float)

1008 GFLOPS

43.20 GFLOPS

FP64 (double)

-

Board Design

65W

TDP

86W

250 W

Suggested PSU

250 W

1x DVI 1x DisplayPort 1.2

Outputs

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

None

Power Connectors

-

Graphics Processor

Oland

GPU Name

Juniper

Oland XT (215-0837000)

GPU Variant

Juniper LE (215-0754009)

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

0.95 billion

Transistors

1.04 billion

77 mm²

Die Size

166 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

5.1

Shader Model

5.0

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