NVIDIA GeForce GT 640 vs AMD Radeon RX 580 OEM

VS

NVIDIA GeForce GT 640

AMD Radeon RX 580 OEM

We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 8GB VRAM Radeon RX 580 OEM 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 150W)

AMD Radeon RX 580 OEM 's Advantages

Released 4 years late

Boost Clock1266MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (256.0GB/s vs 28.51GB/s)

1920 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 640

0.693 TFLOPS

Radeon RX 580 OEM +741%

5.834 TFLOPS

GeForce GT 640

VS

Radeon RX 580 OEM

Graphics Card

Jun 2012

Release Date

Jun 2016

GeForce 600

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1120 MHz

-

Boost Clock

1266 MHz

891 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

8GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

28.51GB/s

Bandwidth

256.0GB/s

Render Config

-

Compute Units

36

-

384

Shading Units

2304

32

TMUs

144

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

40.51 GPixel/s

28.86 GTexel/s

Texture Rate

182.3 GTexel/s

-

FP16 (half)

5.834 TFLOPS

692.7 GFLOPS

FP32 (float)

5.834 TFLOPS

28.86 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

GK107

GPU Name

Ellesmere

GK107-300-A2

GPU Variant

Polaris 10 XT (215-0876184)

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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