AMD Radeon HD 6670 vs AMD Radeon R5 340 OEM

VS

AMD Radeon HD 6670

AMD Radeon R5 340 OEM

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6670 and 1024MB VRAM Radeon R5 340 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6670 's Advantages

Larger VRAM bandwidth (64.00GB/s vs 36.80GB/s)

96 additional rendering cores

AMD Radeon R5 340 OEM 's Advantages

Released 4 years and 1 months late

Boost Clock780MHz

Lower TDP (65W vs 66W)

Score

Benchmark

FP32 (float)

Radeon HD 6670 +28%

0.768 TFLOPS

Radeon R5 340 OEM

0.599 TFLOPS

Radeon HD 6670

VS

Radeon R5 340 OEM

Graphics Card

Apr 2011

Release Date

May 2015

Northern Islands

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

730 MHz

-

Boost Clock

780 MHz

1000 MHz

Memory Clock

1150 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

64bit

64.00GB/s

Bandwidth

36.80GB/s

Render Config

6

Compute Units

6

-

480

Shading Units

384

24

TMUs

24

8

ROPs

8

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

6.400 GPixel/s

Pixel Rate

6.240 GPixel/s

19.20 GTexel/s

Texture Rate

18.72 GTexel/s

-

768.0 GFLOPS

FP32 (float)

599.0 GFLOPS

-

FP64 (double)

37.44 GFLOPS

Board Design

66W

TDP

65W

250 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

1x DVI 1x DisplayPort 1.2

None

Power Connectors

None

Graphics Processor

Turks

GPU Name

Oland

Turks XT (215-0803000)

GPU Variant

Oland PRO (215-0837015)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.716 billion

Transistors

0.95 billion

118 mm²

Die Size

77 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

1.2

N/A

Vulkan

1.2

-

5.0

Shader Model

5.1

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