AMD Radeon R7 240 OEM vs AMD Radeon R9 285

VS

AMD Radeon R7 240 OEM

AMD Radeon R9 285

We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 240 OEM and 2GB VRAM Radeon R9 285 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 240 OEM 's Advantages

Boost Clock780MHz

Lower TDP (50W vs 190W)

AMD Radeon R9 285 's Advantages

Released 10 months late

Larger VRAM bandwidth (176.0GB/s vs 28.80GB/s)

1472 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 240 OEM

0.499 TFLOPS

Radeon R9 285 +559%

3.29 TFLOPS

Radeon R7 240 OEM

VS

Radeon R9 285

Graphics Card

Nov 2013

Release Date

Sep 2014

Volcanic Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

730 MHz

Base Clock

-

780 MHz

Boost Clock

-

900 MHz

Memory Clock

1375 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

28.80GB/s

Bandwidth

176.0GB/s

Render Config

5

Compute Units

28

-

320

Shading Units

1792

20

TMUs

112

8

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

6.240 GPixel/s

Pixel Rate

29.38 GPixel/s

15.60 GTexel/s

Texture Rate

102.8 GTexel/s

-

FP16 (half)

3.290 TFLOPS

499.2 GFLOPS

FP32 (float)

3.290 TFLOPS

31.20 GFLOPS

FP64 (double)

205.6 GFLOPS

Board Design

50W

TDP

190W

250 W

Suggested PSU

450 W

1x DVI 1x HDMI 1.4a 1x VGA

Outputs

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

None

Power Connectors

2x 6-pin

Graphics Processor

Oland

GPU Name

Tonga

-

GPU Variant

Tonga PRO (215-0851128)

GCN 1.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.95 billion

Transistors

5 billion

77 mm²

Die Size

366 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2.170

-

5.1

Shader Model

6.5

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