NVIDIA GeForce GT 640 OEM vs ATI Radeon HD 4520

VS

NVIDIA GeForce GT 640 OEM ATI Radeon HD 4520

We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 OEM and 512MB VRAM Radeon HD 4520 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 OEM 's Advantages

Released 2 years and 4 months late

Larger VRAM bandwidth (28.51GB/s vs 6.400GB/s)

304 additional rendering cores

ATI Radeon HD 4520 's Advantages

Lower TDP (25W vs 50W)

Score

Benchmark

FP32 (float)

GeForce GT 640 OEM +537%

0.612 TFLOPS

Radeon HD 4520

0.096 TFLOPS

GeForce GT 640 OEM

VS

Radeon HD 4520

Graphics Card

Apr 2012

Release Date

Dec 2009

GeForce 600

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

891 MHz

Memory Clock

400 MHz

Memory

2GB

Memory Size

512MB

DDR3

Memory Type

DDR2

128bit

Memory Bus

64bit

28.51GB/s

Bandwidth

6.400GB/s

Render Config

-

SM Count

-

Compute Units

1

384

Shading Units

80

32

TMUs

8

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

64 KB

Theoretical Performance

6.376 GPixel/s

Pixel Rate

2.400 GPixel/s

25.50 GTexel/s

Texture Rate

4.800 GTexel/s

-

FP16 (half)

-

612.1 GFLOPS

FP32 (float)

96.00 GFLOPS

25.50 GFLOPS

FP64 (double)

-

Graphics Processor

GK107

GPU Name

RV710

GK107-320-A2

GPU Variant

RV710 (215-0725016)

Kepler

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

1.27 billion

Transistors

0.242 billion

118 mm²

Die Size

73 mm²

Board Design

50W

TDP

25W

250 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x DisplayPort 1.0

None

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

4.1

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