AMD Radeon RX 455 OEM vs NVIDIA GeForce GTX 660

VS

AMD Radeon RX 455 OEM

NVIDIA GeForce GTX 660

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 455 OEM and 2GB VRAM GeForce GTX 660 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 3 years and 9 months late

Lower TDP (100W vs 140W)

NVIDIA GeForce GTX 660 's Advantages

Boost Clock1032MHz

Larger VRAM bandwidth (144.2GB/s vs 104.0GB/s)

192 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 455 OEM

1.613 TFLOPS

GeForce GTX 660 +22%

1.981 TFLOPS

Radeon RX 455 OEM

VS

GeForce GTX 660

Graphics Card

Jun 2016

Release Date

Sep 2012

Arctic Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

980 MHz

-

Boost Clock

1032 MHz

1625 MHz

Memory Clock

1502 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

192bit

104.0GB/s

Bandwidth

144.2GB/s

Render Config

12

Compute Units

-

768

Shading Units

960

48

TMUs

80

16

ROPs

24

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

384 KB

-

Theoretical Performance

16.80 GPixel/s

Pixel Rate

20.64 GPixel/s

50.40 GTexel/s

Texture Rate

82.56 GTexel/s

-

1.613 TFLOPS

FP32 (float)

1.981 TFLOPS

100.8 GFLOPS

FP64 (double)

82.56 GFLOPS

Board Design

100W

TDP

140W

300 W

Suggested PSU

300 W

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

Outputs

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

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Tobago

GPU Name

GK106

Tobago PRO (215-0875010)

GPU Variant

GK106-400-A1

GCN 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

2.54 billion

160 mm²

Die Size

221 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

6.3

Shader Model

5.1

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