NVIDIA GeForce GTX 460 OEM vs NVIDIA GeForce GT 640 Rev. 2

VS

NVIDIA GeForce GTX 460 OEM

NVIDIA GeForce GT 640 Rev. 2

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 460 OEM and 1024MB VRAM GeForce GT 640 Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 460 OEM 's Advantages

Larger VRAM bandwidth (108.8GB/s vs 40.06GB/s)

NVIDIA GeForce GT 640 Rev. 2 's Advantages

Released 2 years and 7 months late

48 additional rendering cores

Lower TDP (49W vs 150W)

Score

Benchmark

FP32 (float)

GeForce GTX 460 OEM +8%

0.874 TFLOPS

GeForce GT 640 Rev. 2

0.803 TFLOPS

GeForce GTX 460 OEM

VS

GeForce GT 640 Rev. 2

Graphics Card

Oct 2010

Release Date

May 2013

GeForce 400

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x8

Clock Speeds

-

850 MHz

Memory Clock

1252 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

64bit

108.8GB/s

Bandwidth

40.06GB/s

Render Config

-

7

SM Count

-

336

Shading Units

384

56

TMUs

32

ROPs

8

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

9.100 GPixel/s

Pixel Rate

8.368 GPixel/s

36.40 GTexel/s

Texture Rate

33.47 GTexel/s

-

873.6 GFLOPS

FP32 (float)

803.3 GFLOPS

72.80 GFLOPS

FP64 (double)

33.47 GFLOPS

Board Design

150W

TDP

49W

450 W

Suggested PSU

200 W

2x DVI 1x mini-HDMI 1.3a

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

2x 6-pin

Power Connectors

None

Graphics Processor

GF104

GPU Name

GK208

GF104-325-A1

GPU Variant

GK208-400-A1

Fermi

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.95 billion

Transistors

1.02 billion

332 mm²

Die Size

87 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

2.1

CUDA

3.5

5.1

Shader Model

5.1

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