AMD Radeon R7 340 OEM vs ATI Radeon HD 3450 X2

VS

AMD Radeon R7 340 OEM

ATI Radeon HD 3450 X2

We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 340 OEM and 512MB VRAM Radeon HD 3450 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 340 OEM 's Advantages

Released 7 years and 5 months late

Boost Clock780MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (64.00GB/s vs 8.000GB/s)

344 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 340 OEM +1147%

0.599 TFLOPS

Radeon HD 3450 X2

0.048 TFLOPS

Radeon R7 340 OEM

VS

Radeon HD 3450 X2

Graphics Card

May 2015

Release Date

Dec 2007

Pirate Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

730 MHz

Base Clock

-

780 MHz

Boost Clock

-

1000 MHz

Memory Clock

500 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

DDR2

128bit

Memory Bus

64bit

64.00GB/s

Bandwidth

8.000GB/s

Render Config

6

Compute Units

2

-

384

Shading Units

40

24

TMUs

4

8

ROPs

4

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

64 KB

-

Theoretical Performance

6.240 GPixel/s

Pixel Rate

2.400 GPixel/s

18.72 GTexel/s

Texture Rate

2.400 GTexel/s

-

599.0 GFLOPS

FP32 (float)

48.00 GFLOPS

37.44 GFLOPS

FP64 (double)

-

Board Design

50W

TDP

50W

250 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.4a 1x VGA

Outputs

2x DMS-59

None

Power Connectors

None

Graphics Processor

Oland

GPU Name

RV620

-

GPU Variant

RV620 LE

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

0.95 billion

Transistors

0.181 billion

77 mm²

Die Size

67 mm²

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

5.1

Shader Model

4.1

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