NVIDIA GeForce GTX 645 OEM vs AMD Radeon RX 480

VS

NVIDIA GeForce GTX 645 OEM

AMD Radeon RX 480

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 645 OEM and 8GB VRAM Radeon RX 480 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 150W)

AMD Radeon RX 480 's Advantages

Released 3 years and 2 months late

Boost Clock1266MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (256.0GB/s vs 64.00GB/s)

1728 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 645 OEM

0.949 TFLOPS

Radeon RX 480 +514%

5.834 TFLOPS

GeForce GTX 645 OEM

VS

Radeon RX 480

Graphics Card

Apr 2013

Release Date

Jun 2016

GeForce 600

Generation

Arctic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1120 MHz

-

Boost Clock

1266 MHz

1000 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

256.0GB/s

Render Config

-

Compute Units

36

-

576

Shading Units

2304

48

TMUs

144

16

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

9.888 GPixel/s

Pixel Rate

40.51 GPixel/s

39.55 GTexel/s

Texture Rate

182.3 GTexel/s

-

FP16 (half)

5.834 TFLOPS

949.2 GFLOPS

FP32 (float)

5.834 TFLOPS

39.55 GFLOPS

FP64 (double)

364.6 GFLOPS

Board Design

65W

TDP

150W

250 W

Suggested PSU

450 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

Graphics Processor

GK106

GPU Name

Ellesmere

GK106-200-A1

GPU Variant

Polaris 10 XT (215-0876184)

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

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

6.4

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