AMD Radeon R5 235 OEM vs AMD Radeon RX 455 OEM

VS

AMD Radeon R5 235 OEM

AMD Radeon RX 455 OEM

We compared two Desktop platform GPUs: 1024MB VRAM Radeon R5 235 OEM and 2GB VRAM Radeon RX 455 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 235 OEM 's Advantages

Lower TDP (35W vs 100W)

AMD Radeon RX 455 OEM 's Advantages

Released 2 years and 6 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (104.0GB/s vs 14.40GB/s)

608 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 235 OEM

0.248 TFLOPS

Radeon RX 455 OEM +550%

1.613 TFLOPS

Radeon R5 235 OEM

VS

Radeon RX 455 OEM

Graphics Card

Dec 2013

Release Date

Jun 2016

Volcanic Islands

Generation

Arctic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

900 MHz

Memory Clock

1625 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

104.0GB/s

Render Config

2

Compute Units

12

-

160

Shading Units

768

8

TMUs

48

4

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

3.100 GPixel/s

Pixel Rate

16.80 GPixel/s

6.200 GTexel/s

Texture Rate

50.40 GTexel/s

-

248.0 GFLOPS

FP32 (float)

1.613 TFLOPS

-

FP64 (double)

100.8 GFLOPS

Board Design

35W

TDP

100W

200 W

Suggested PSU

300 W

1x DVI 1x HDMI 1.3a

Outputs

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

None

Power Connectors

1x 6-pin

Graphics Processor

Caicos

GPU Name

Tobago

Caicos XT (215-0804070)

GPU Variant

Tobago PRO (215-0875010)

TeraScale 2

Architecture

GCN 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.37 billion

Transistors

2.08 billion

67 mm²

Die Size

160 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.0

N/A

Vulkan

1.2

-

5.0

Shader Model

6.3

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