AMD Radeon R9 280 vs AMD Radeon R5 235 OEM

VS

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

Main Differences

AMD Radeon R9 280 's Advantages

Boost Clock933MHz

More VRAM (3GB vs 1GB)

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

1632 additional rendering cores

AMD Radeon R5 235 OEM 's Advantages

Lower TDP (35W vs 200W)

Score

Benchmark

FP32 (float)

Radeon R9 280 +1248%

3.344 TFLOPS

Radeon R5 235 OEM

0.248 TFLOPS

Radeon R9 280

VS

Radeon R5 235 OEM

Graphics Card

Mar 2014

Release Date

Dec 2013

Volcanic Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

827 MHz

Base Clock

-

933 MHz

Boost Clock

-

1250 MHz

Memory Clock

900 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

384bit

Memory Bus

64bit

240.0GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

-

28

Compute Units

2

1792

Shading Units

160

112

TMUs

8

32

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

768 KB

L2 Cache

128 KB

Theoretical Performance

29.86 GPixel/s

Pixel Rate

3.100 GPixel/s

104.5 GTexel/s

Texture Rate

6.200 GTexel/s

-

FP16 (half)

-

3.344 TFLOPS

FP32 (float)

248.0 GFLOPS

836.0 GFLOPS

FP64 (double)

-

Graphics Processor

Tahiti

GPU Name

Caicos

Tahiti PRO3 (215-0821330)

GPU Variant

Caicos XT (215-0804070)

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

4.313 billion

Transistors

0.37 billion

352 mm²

Die Size

67 mm²

Board Design

200W

TDP

35W

550 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

5.1

Shader Model

5.0

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