AMD Radeon Pro Duo Polaris vs NVIDIA GeForce GTX 645 OEM

VS

AMD Radeon Pro Duo Polaris

NVIDIA GeForce GTX 645 OEM

We compared two Desktop platform GPUs: 16GB VRAM Radeon Pro Duo Polaris and 1024MB VRAM GeForce GTX 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro Duo Polaris 's Advantages

Released 4 years late

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (224.0GB/s vs 64.00GB/s)

1728 additional rendering cores

NVIDIA GeForce GTX 645 OEM 's Advantages

Lower TDP (65W vs 250W)

Score

Benchmark

FP32 (float)

Radeon Pro Duo Polaris +503%

5.728 TFLOPS

GeForce GTX 645 OEM

0.949 TFLOPS

Radeon Pro Duo Polaris

VS

GeForce GTX 645 OEM

Graphics Card

Apr 2017

Release Date

Apr 2013

Radeon Pro GCN

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1750 MHz

Memory Clock

1000 MHz

Memory

16GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

224.0GB/s

Bandwidth

64.00GB/s

Render Config

36

Compute Units

-

2304

Shading Units

576

144

TMUs

48

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

39.78 GPixel/s

Pixel Rate

9.888 GPixel/s

179.0 GTexel/s

Texture Rate

39.55 GTexel/s

5.728 TFLOPS

FP16 (half)

-

5.728 TFLOPS

FP32 (float)

949.2 GFLOPS

358.0 GFLOPS

FP64 (double)

39.55 GFLOPS

Board Design

250W

TDP

65W

600 W

Suggested PSU

250 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Ellesmere

GPU Name

GK106

Ellesmere Gemini GL

GPU Variant

GK106-200-A1

GCN 4.0

Architecture

Kepler

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5.7 billion

Transistors

2.54 billion

232 mm²

Die Size

221 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.1

-

CUDA

3.0

6.7

Shader Model

5.1

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