NVIDIA GeForce GT 640 vs AMD Radeon RX 470D

VS

NVIDIA GeForce GT 640

AMD Radeon RX 470D

We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 4GB VRAM Radeon RX 470D to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 's Advantages

Lower TDP (65W vs 120W)

AMD Radeon RX 470D 's Advantages

Released 4 years and 4 months late

Boost Clock1206MHz

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (211.2GB/s vs 28.51GB/s)

1408 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 640

0.693 TFLOPS

Radeon RX 470D +523%

4.322 TFLOPS

GeForce GT 640

VS

Radeon RX 470D

Graphics Card

Jun 2012

Release Date

Oct 2016

GeForce 600

Generation

Arctic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

926 MHz

-

Boost Clock

1206 MHz

891 MHz

Memory Clock

1650 MHz

Memory

2GB

Memory Size

4GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

28.51GB/s

Bandwidth

211.2GB/s

Render Config

-

Compute Units

28

-

384

Shading Units

1792

32

TMUs

112

16

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

7.216 GPixel/s

Pixel Rate

38.59 GPixel/s

28.86 GTexel/s

Texture Rate

135.1 GTexel/s

-

FP16 (half)

4.322 TFLOPS

692.7 GFLOPS

FP32 (float)

4.322 TFLOPS

28.86 GFLOPS

FP64 (double)

270.1 GFLOPS

Board Design

65W

TDP

120W

250 W

Suggested PSU

300 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

GK107

GPU Name

Ellesmere

GK107-300-A2

GPU Variant

Polaris 10 PROD

Kepler

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

1.27 billion

Transistors

5.7 billion

118 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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