AMD Radeon R5 235X OEM vs AMD Radeon R9 280

VS

AMD Radeon R5 235X OEM

AMD Radeon R9 280

We compared two Desktop platform GPUs: 1024MB VRAM Radeon R5 235X OEM and 3GB VRAM Radeon R9 280 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 235X OEM 's Advantages

Lower TDP (18W vs 200W)

AMD Radeon R9 280 's Advantages

Boost Clock933MHz

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (240.0GB/s vs 14.40GB/s)

1632 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 235X OEM

0.28 TFLOPS

Radeon R9 280 +1094%

3.344 TFLOPS

Radeon R5 235X OEM

VS

Radeon R9 280

Graphics Card

Dec 2013

Release Date

Mar 2014

Volcanic Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

827 MHz

-

Boost Clock

933 MHz

900 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

3GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

384bit

14.40GB/s

Bandwidth

240.0GB/s

Render Config

2

Compute Units

28

-

160

Shading Units

1792

8

TMUs

112

4

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

768 KB

-

Theoretical Performance

3.500 GPixel/s

Pixel Rate

29.86 GPixel/s

7.000 GTexel/s

Texture Rate

104.5 GTexel/s

-

280.0 GFLOPS

FP32 (float)

3.344 TFLOPS

-

FP64 (double)

836.0 GFLOPS

Board Design

18W

TDP

200W

200 W

Suggested PSU

550 W

1x DVI 1x HDMI 1.3a

Outputs

1x DVI 2x HDMI 1.4a 1x DisplayPort 1.2

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Caicos

GPU Name

Tahiti

Caicos XT (215-0804070)

GPU Variant

Tahiti PRO3 (215-0821330)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.37 billion

Transistors

4.313 billion

67 mm²

Die Size

352 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

1.2

N/A

Vulkan

1.2

-

5.0

Shader Model

5.1

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