AMD Radeon R9 285X vs AMD Radeon R7 240

VS

We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 285X and 2GB VRAM Radeon R7 240 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 285X 's Advantages

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (264.0GB/s vs 28.80GB/s)

1728 additional rendering cores

AMD Radeon R7 240 's Advantages

Boost Clock780MHz

Lower TDP (30W vs 200W)

Score

Benchmark

FP32 (float)

Radeon R9 285X +722%

4.104 TFLOPS

Radeon R7 240

0.499 TFLOPS

Radeon R9 285X

VS

Radeon R7 240

Graphics Card

Unknown

Release Date

Oct 2013

Volcanic Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

730 MHz

-

Boost Clock

780 MHz

1375 MHz

Memory Clock

900 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

384bit

Memory Bus

128bit

264.0GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

-

32

Compute Units

5

2048

Shading Units

320

128

TMUs

20

32

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

256 KB

Theoretical Performance

32.06 GPixel/s

Pixel Rate

6.240 GPixel/s

128.3 GTexel/s

Texture Rate

15.60 GTexel/s

-

FP16 (half)

-

4.104 TFLOPS

FP32 (float)

499.2 GFLOPS

-

FP64 (double)

-

Graphics Processor

Tonga

GPU Name

Oland

Tonga XT (215-0851313)

GPU Variant

Oland PRO (215-0837015)

GCN 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5 billion

Transistors

0.95 billion

366 mm²

Die Size

77 mm²

Board Design

200W

TDP

30W

550 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.0

OpenCL

1.2

Vulkan

1.2

-

CUDA

-

6.3

Shader Model

5.1

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