AMD Radeon Pro Duo vs NVIDIA GeForce GTX 660 OEM

VS

AMD Radeon Pro Duo

NVIDIA GeForce GTX 660 OEM

We compared two Desktop platform GPUs: 4GB VRAM Radeon Pro Duo and 1536MB VRAM GeForce GTX 660 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro Duo 's Advantages

Released 3 years and 8 months late

More VRAM (4GB vs 1536GB)

Larger VRAM bandwidth (512.0GB/s vs 134.4GB/s)

2944 additional rendering cores

NVIDIA GeForce GTX 660 OEM 's Advantages

Boost Clock888MHz

Lower TDP (130W vs 350W)

Score

Benchmark

FP32 (float)

Radeon Pro Duo +300%

8.192 TFLOPS

GeForce GTX 660 OEM

2.046 TFLOPS

Radeon Pro Duo

VS

GeForce GTX 660 OEM

Graphics Card

Apr 2016

Release Date

Aug 2012

Radeon Pro

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

823 MHz

-

Boost Clock

888 MHz

500 MHz

Memory Clock

1400 MHz

Memory

4GB

Memory Size

1536MB

HBM

Memory Type

GDDR5

4096bit

Memory Bus

192bit

512.0GB/s

Bandwidth

134.4GB/s

Render Config

64

Compute Units

-

4096

Shading Units

1152

256

TMUs

96

64

ROPs

24

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

2 MB

L2 Cache

384 KB

-

Theoretical Performance

64.00 GPixel/s

Pixel Rate

21.31 GPixel/s

256.0 GTexel/s

Texture Rate

85.25 GTexel/s

8.192 TFLOPS

FP16 (half)

-

8.192 TFLOPS

FP32 (float)

2.046 TFLOPS

512.0 GFLOPS

FP64 (double)

85.25 GFLOPS

Board Design

350W

TDP

130W

750 W

Suggested PSU

300 W

1x HDMI 1.4a 3x DisplayPort 1.2

Outputs

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

3x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Capsaicin

GPU Name

GK104

Capsaicin XT

GPU Variant

GK104-200-KD-A2

GCN 3.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

8.9 billion

Transistors

3.54 billion

596 mm²

Die Size

294 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

6.0

Shader Model

5.1

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