NVIDIA GeForce GT 640 vs ATI Radeon HD 4570

VS

NVIDIA GeForce GT 640

ATI Radeon HD 4570

We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 1024MB VRAM Radeon HD 4570 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 's Advantages

Released 3 years and 7 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (28.51GB/s vs 8.000GB/s)

304 additional rendering cores

ATI Radeon HD 4570 's Advantages

Lower TDP (25W vs 65W)

Score

Benchmark

FP32 (float)

GeForce GT 640 +566%

0.693 TFLOPS

Radeon HD 4570

0.104 TFLOPS

GeForce GT 640

VS

Radeon HD 4570

Graphics Card

Jun 2012

Release Date

Nov 2008

GeForce 600

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

891 MHz

Memory Clock

500 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

DDR2

128bit

Memory Bus

64bit

28.51GB/s

Bandwidth

8.000GB/s

Render Config

-

Compute Units

1

-

384

Shading Units

80

32

TMUs

8

16

ROPs

4

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

64 KB

-

Theoretical Performance

7.216 GPixel/s

Pixel Rate

2.600 GPixel/s

28.86 GTexel/s

Texture Rate

5.200 GTexel/s

-

692.7 GFLOPS

FP32 (float)

104.0 GFLOPS

28.86 GFLOPS

FP64 (double)

-

Board Design

65W

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 Processor

GK107

GPU Name

RV710

GK107-300-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

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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