AMD Radeon RX 455 OEM vs AMD Radeon R7 240 OEM

VS

AMD Radeon RX 455 OEM

AMD Radeon R7 240 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 455 OEM and 2GB VRAM Radeon R7 240 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 455 OEM 's Advantages

Released 2 years and 7 months late

Larger VRAM bandwidth (104.0GB/s vs 28.80GB/s)

448 additional rendering cores

AMD Radeon R7 240 OEM 's Advantages

Boost Clock780MHz

Lower TDP (50W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX 455 OEM +223%

1.613 TFLOPS

Radeon R7 240 OEM

0.499 TFLOPS

Radeon RX 455 OEM

VS

Radeon R7 240 OEM

Graphics Card

Jun 2016

Release Date

Nov 2013

Arctic 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

1625 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

104.0GB/s

Bandwidth

28.80GB/s

Render Config

12

Compute Units

5

-

768

Shading Units

320

48

TMUs

20

16

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

16.80 GPixel/s

Pixel Rate

6.240 GPixel/s

50.40 GTexel/s

Texture Rate

15.60 GTexel/s

-

1.613 TFLOPS

FP32 (float)

499.2 GFLOPS

100.8 GFLOPS

FP64 (double)

31.20 GFLOPS

Board Design

100W

TDP

50W

300 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

1x 6-pin

Power Connectors

None

Graphics Processor

Tobago

GPU Name

Oland

Tobago PRO (215-0875010)

GPU Variant

-

GCN 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

0.95 billion

160 mm²

Die Size

77 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.0

OpenCL

1.2

Vulkan

1.2

-

6.3

Shader Model

5.1

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