NVIDIA GeForce GTX 660 OEM vs AMD Radeon Pro Duo

VS

NVIDIA GeForce GTX 660 OEM

AMD Radeon Pro Duo

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

Main Differences

NVIDIA GeForce GTX 660 OEM 's Advantages

Boost Clock888MHz

Lower TDP (130W vs 350W)

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

Score

Benchmark

FP32 (float)

GeForce GTX 660 OEM

2.046 TFLOPS

Radeon Pro Duo +300%

8.192 TFLOPS

GeForce GTX 660 OEM

VS

Radeon Pro Duo

Graphics Card

Aug 2012

Release Date

Apr 2016

GeForce 600

Generation

Radeon Pro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

823 MHz

Base Clock

-

888 MHz

Boost Clock

-

1400 MHz

Memory Clock

500 MHz

Memory

1536MB

Memory Size

4GB

GDDR5

Memory Type

HBM

192bit

Memory Bus

4096bit

134.4GB/s

Bandwidth

512.0GB/s

Render Config

-

Compute Units

64

-

1152

Shading Units

4096

96

TMUs

256

24

ROPs

64

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

2 MB

-

Theoretical Performance

21.31 GPixel/s

Pixel Rate

64.00 GPixel/s

85.25 GTexel/s

Texture Rate

256.0 GTexel/s

-

FP16 (half)

8.192 TFLOPS

2.046 TFLOPS

FP32 (float)

8.192 TFLOPS

85.25 GFLOPS

FP64 (double)

512.0 GFLOPS

Board Design

130W

TDP

350W

300 W

Suggested PSU

750 W

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

Outputs

1x HDMI 1.4a 3x DisplayPort 1.2

1x 6-pin

Power Connectors

3x 8-pin

Graphics Processor

GK104

GPU Name

Capsaicin

GK104-200-KD-A2

GPU Variant

Capsaicin XT

Kepler

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

8.9 billion

294 mm²

Die Size

596 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.0

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

6.0

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