AMD Radeon R5 340 OEM vs AMD Radeon R9 255 OEM

VS

AMD Radeon R5 340 OEM

AMD Radeon R9 255 OEM

We compared two Desktop platform GPUs: 1024MB VRAM Radeon R5 340 OEM and 2GB VRAM Radeon R9 255 OEM 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 1 years and 5 months late

AMD Radeon R9 255 OEM 's Advantages

Boost Clock has increased by 19% (930MHz vs 780MHz)

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (73.60GB/s vs 36.80GB/s)

128 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 340 OEM

0.599 TFLOPS

Radeon R9 255 OEM +58%

0.952 TFLOPS

Radeon R5 340 OEM

VS

Radeon R9 255 OEM

Graphics Card

May 2015

Release Date

Dec 2013

Pirate Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

730 MHz

Base Clock

900 MHz

780 MHz

Boost Clock

930 MHz

1150 MHz

Memory Clock

1150 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

36.80GB/s

Bandwidth

73.60GB/s

Render Config

6

Compute Units

8

-

384

Shading Units

512

24

TMUs

32

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

6.240 GPixel/s

Pixel Rate

14.88 GPixel/s

18.72 GTexel/s

Texture Rate

29.76 GTexel/s

-

599.0 GFLOPS

FP32 (float)

952.3 GFLOPS

37.44 GFLOPS

FP64 (double)

59.52 GFLOPS

Board Design

65W

TDP

65W

250 W

Suggested PSU

250 W

1x DVI 1x DisplayPort 1.2

Outputs

No outputs

None

Power Connectors

1x 6-pin

Graphics Processor

Oland

GPU Name

Cape Verde

Oland PRO (215-0837015)

GPU Variant

Cape Verde PRX

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.95 billion

Transistors

1.5 billion

77 mm²

Die Size

123 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.2

OpenCL

1.2

Vulkan

1.2

-

5.1

Shader Model

5.1

Related GPU Comparisons

1

AMD Radeon R5 340 OEM vs NVIDIA GeForce GTX 750

2

AMD Radeon R5 340 OEM vs NVIDIA GeForce GTX 295

3

AMD Radeon R5 340 OEM vs ATI FireGL V3600

4

AMD Radeon R5 340 OEM vs AMD Radeon HD 8490 OEM

5

AMD Radeon R5 340 OEM vs NVIDIA GeForce GT 420 OEM

6

AMD Radeon R5 340 OEM vs ATI Radeon X1650 GT

7

AMD Radeon R5 340 OEM vs NVIDIA GeForce RTX 4080 16 GB

8

AMD Radeon R5 340 OEM vs NVIDIA GeForce RTX 3050 4 GB

9

AMD Radeon R5 340 OEM vs AMD Radeon HD 6570

10

AMD Radeon R5 340 OEM vs AMD Radeon HD 6290

Related News

1

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

2

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

3

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

4

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

5

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

6

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

7

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

8

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

9

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU

10

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!