AMD Radeon R9 255 OEM vs AMD Radeon R7 350X OEM

VS

AMD Radeon R9 255 OEM

AMD Radeon R7 350X OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 255 OEM and 4GB VRAM Radeon R7 350X OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 255 OEM 's Advantages

Larger VRAM bandwidth (73.60GB/s vs 32.00GB/s)

128 additional rendering cores

AMD Radeon R7 350X OEM 's Advantages

Released 1 years and 5 months late

Boost Clock has increased by 13% (1050MHz vs 930MHz)

More VRAM (4GB vs 2GB)

Score

Benchmark

FP32 (float)

Radeon R9 255 OEM +18%

0.952 TFLOPS

Radeon R7 350X OEM

0.806 TFLOPS

Radeon R9 255 OEM

VS

Radeon R7 350X OEM

Graphics Card

Dec 2013

Release Date

May 2015

Volcanic Islands

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

900 MHz

Base Clock

1000 MHz

930 MHz

Boost Clock

1050 MHz

1150 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

73.60GB/s

Bandwidth

32.00GB/s

Render Config

8

Compute Units

6

-

512

Shading Units

384

32

TMUs

24

16

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

14.88 GPixel/s

Pixel Rate

8.400 GPixel/s

29.76 GTexel/s

Texture Rate

25.20 GTexel/s

-

952.3 GFLOPS

FP32 (float)

806.4 GFLOPS

59.52 GFLOPS

FP64 (double)

50.40 GFLOPS

Board Design

65W

TDP

65W

250 W

Suggested PSU

250 W

No outputs

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

1x 6-pin

Power Connectors

None

Graphics Processor

Cape Verde

GPU Name

Oland

Cape Verde PRX

GPU Variant

Oland XT (215-0837000)

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.5 billion

Transistors

0.95 billion

123 mm²

Die Size

77 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

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