NVIDIA GeForce GTX 645 OEM vs AMD Radeon Pro Duo Polaris

VS

NVIDIA GeForce GTX 645 OEM AMD Radeon Pro Duo Polaris

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

Main Differences

NVIDIA GeForce GTX 645 OEM 's Advantages

Lower TDP (65W vs 250W)

AMD Radeon Pro Duo Polaris 's Advantages

Released 4 years late

More VRAM (16GB vs 1GB)

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

1728 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 645 OEM

0.949 TFLOPS

Radeon Pro Duo Polaris +503%

5.728 TFLOPS

GeForce GTX 645 OEM

VS

Radeon Pro Duo Polaris

Graphics Card

Apr 2013

Release Date

Apr 2017

GeForce 600

Generation

Radeon Pro GCN

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1000 MHz

Memory Clock

1750 MHz

Memory

1024MB

Memory Size

16GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

224.0GB/s

Render Config

-

SM Count

-

Compute Units

36

576

Shading Units

2304

48

TMUs

144

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

2 MB

Theoretical Performance

9.888 GPixel/s

Pixel Rate

39.78 GPixel/s

39.55 GTexel/s

Texture Rate

179.0 GTexel/s

-

FP16 (half)

5.728 TFLOPS

949.2 GFLOPS

FP32 (float)

5.728 TFLOPS

39.55 GFLOPS

FP64 (double)

358.0 GFLOPS

Graphics Processor

GK106

GPU Name

Ellesmere

GK106-200-A1

GPU Variant

Ellesmere Gemini GL

Kepler

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

2.54 billion

Transistors

5.7 billion

221 mm²

Die Size

232 mm²

Board Design

65W

TDP

250W

250 W

Suggested PSU

600 W

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

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.1

Vulkan

1.3

3.0

CUDA

-

5.1

Shader Model

6.7

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