AMD Radeon R5 340X OEM vs AMD Radeon HD 6450

VS

AMD Radeon R5 340X OEM

AMD Radeon HD 6450

We compared two Desktop platform GPUs: 2GB VRAM Radeon R5 340X OEM and 512MB VRAM Radeon HD 6450 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 4 years and 1 months late

More VRAM (2GB vs 512GB)

224 additional rendering cores

AMD Radeon HD 6450 's Advantages

Larger VRAM bandwidth (25.60GB/s vs 16.00GB/s)

Lower TDP (18W vs 65W)

Score

Benchmark

FP32 (float)

Radeon R5 340X OEM +245%

0.691 TFLOPS

Radeon HD 6450

0.2 TFLOPS

Radeon R5 340X OEM

VS

Radeon HD 6450

Graphics Card

May 2015

Release Date

Apr 2011

Pirate Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

512MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

64bit

16.00GB/s

Bandwidth

25.60GB/s

Render Config

6

Compute Units

2

-

384

Shading Units

160

24

TMUs

8

ROPs

4

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

128 KB

-

Theoretical Performance

7.200 GPixel/s

Pixel Rate

2.500 GPixel/s

21.60 GTexel/s

Texture Rate

5.000 GTexel/s

-

691.2 GFLOPS

FP32 (float)

200.0 GFLOPS

43.20 GFLOPS

FP64 (double)

-

Board Design

65W

TDP

18W

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 Processor

Oland

GPU Name

Caicos

Oland XT (215-0837000)

GPU Variant

Caicos PRO

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

0.95 billion

Transistors

0.37 billion

77 mm²

Die Size

67 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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