NVIDIA GeForce GT 640 OEM Rebrand vs ATI Radeon X1600 PRO AGP

VS

NVIDIA GeForce GT 640 OEM Rebrand

ATI Radeon X1600 PRO AGP

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GT 640 OEM Rebrand and 256MB VRAM Radeon X1600 PRO AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 OEM Rebrand 's Advantages

Released 4 years and 6 months late

More VRAM (1536GB vs 256GB)

Larger VRAM bandwidth (38.40GB/s vs 12.48GB/s)

144 additional rendering cores

ATI Radeon X1600 PRO AGP 's Advantages

Lower TDP (41W vs 75W)

Score

GeForce GT 640 OEM Rebrand

VS

Radeon X1600 PRO AGP

Graphics Card

Apr 2012

Release Date

Oct 2007

GeForce 600

Generation

Radeon R500 AGP

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

AGP 8x

Clock Speeds

-

800 MHz

Memory Clock

390 MHz

Memory

1536MB

Memory Size

256MB

DDR3

Memory Type

GDDR3

192bit

Memory Bus

128bit

38.40GB/s

Bandwidth

12.48GB/s

Render Config

-

3

SM Count

-

144

Shading Units

-

24

TMUs

4

24

ROPs

4

-

64 KB (per SM)

L1 Cache

-

384 KB

L2 Cache

-

Theoretical Performance

4.320 GPixel/s

Pixel Rate

2.000 GPixel/s

17.28 GTexel/s

Texture Rate

2.000 GTexel/s

-

414.7 GFLOPS

FP32 (float)

-

34.56 GFLOPS

FP64 (double)

-

Board Design

75W

TDP

41W

250 W

Suggested PSU

200 W

2x DVI 1x mini-HDMI 1.3a

Outputs

1x DVI 1x VGA 1x S-Video

None

Power Connectors

Floppy

Graphics Processor

GF116

GPU Name

RV530

GF116-150-A1

GPU Variant

RV530 PRO (215CADAKA24FG)

Fermi 2.0

Architecture

R500

TSMC

Foundry

TSMC

40 nm

Process Size

90 nm

1.17 billion

Transistors

0.157 billion

238 mm²

Die Size

150 mm²

Graphics Features

12 (11_0)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1

1.1

OpenCL

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

3.0

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