AMD Radeon R5 340X OEM vs AMD Radeon HD 6390

VS

AMD Radeon R5 340X OEM AMD Radeon HD 6390

We compared two Desktop platform GPUs: 2GB VRAM Radeon R5 340X OEM and 1024MB VRAM Radeon HD 6390 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 3 years and 10 months late

More VRAM (2GB vs 1GB)

64 additional rendering cores

AMD Radeon HD 6390 's Advantages

Lower TDP (39W vs 65W)

Score

Benchmark

FP32 (float)

Radeon R5 340X OEM +96%

0.691 TFLOPS

Radeon HD 6390

0.352 TFLOPS

Radeon R5 340X OEM

VS

Radeon HD 6390

Graphics Card

May 2015

Release Date

Jul 2011

Pirate Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1000 MHz

Memory Clock

500 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

DDR2

64bit

Memory Bus

128bit

16.00GB/s

Bandwidth

16.00GB/s

Render Config

-

SM Count

-

6

Compute Units

4

384

Shading Units

320

24

TMUs

16

8

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

256 KB

Theoretical Performance

7.200 GPixel/s

Pixel Rate

4.400 GPixel/s

21.60 GTexel/s

Texture Rate

8.800 GTexel/s

-

FP16 (half)

-

691.2 GFLOPS

FP32 (float)

352.0 GFLOPS

43.20 GFLOPS

FP64 (double)

-

Graphics Processor

Oland

GPU Name

Redwood

Oland XT (215-0837000)

GPU Variant

Redwood LE

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

0.95 billion

Transistors

0.627 billion

77 mm²

Die Size

104 mm²

Board Design

65W

TDP

39W

250 W

Suggested PSU

200 W

1x DVI 1x DisplayPort 1.2

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

None

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

5.1

Shader Model

5.0

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