AMD Radeon R5 340 OEM vs ATI Radeon HD 3850 X2

VS

AMD Radeon R5 340 OEM

ATI Radeon HD 3850 X2

We compared two Desktop platform GPUs: 1024MB VRAM Radeon R5 340 OEM and 512MB VRAM Radeon HD 3850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 340 OEM 's Advantages

Released 7 years and 1 months late

Boost Clock780MHz

More VRAM (1024GB vs 512GB)

64 additional rendering cores

Lower TDP (65W vs 140W)

ATI Radeon HD 3850 X2 's Advantages

Larger VRAM bandwidth (52.99GB/s vs 36.80GB/s)

Score

Benchmark

FP32 (float)

Radeon R5 340 OEM +39%

0.599 TFLOPS

Radeon HD 3850 X2

0.428 TFLOPS

Radeon R5 340 OEM

VS

Radeon HD 3850 X2

Graphics Card

May 2015

Release Date

Apr 2008

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

-

1150 MHz

Memory Clock

828 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

64bit

Memory Bus

256bit

36.80GB/s

Bandwidth

52.99GB/s

Render Config

6

Compute Units

4

-

384

Shading Units

320

24

TMUs

16

8

ROPs

16

-

16 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

256 KB

-

Theoretical Performance

6.240 GPixel/s

Pixel Rate

10.70 GPixel/s

18.72 GTexel/s

Texture Rate

10.70 GTexel/s

-

599.0 GFLOPS

FP32 (float)

428.2 GFLOPS

37.44 GFLOPS

FP64 (double)

85.63 GFLOPS

Board Design

65W

TDP

140W

250 W

Suggested PSU

300 W

1x DVI 1x DisplayPort 1.2

Outputs

2x DVI 1x S-Video

None

Power Connectors

-

Graphics Processor

Oland

GPU Name

RV670

Oland PRO (215-0837015)

GPU Variant

RV670 PRO (215-0708003)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

0.95 billion

Transistors

0.666 billion

77 mm²

Die Size

192 mm²

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3 (full) 4.0 (partial)

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

5.1

Shader Model

4.1

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