NVIDIA GeForce GT 640 vs NVIDIA GeForce 315 OEM

VS

NVIDIA GeForce GT 640

NVIDIA GeForce 315 OEM

We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 1024MB VRAM GeForce 315 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 's Advantages

Released 1 years and 4 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (28.51GB/s vs 9.600GB/s)

368 additional rendering cores

NVIDIA GeForce 315 OEM 's Advantages

Lower TDP (33W vs 65W)

Score

Benchmark

FP32 (float)

GeForce GT 640 +1440%

0.693 TFLOPS

GeForce 315 OEM

0.045 TFLOPS

GeForce GT 640

VS

GeForce 315 OEM

Graphics Card

Jun 2012

Release Date

Feb 2011

GeForce 600

Generation

GeForce 300

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

891 MHz

Memory Clock

600 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

28.51GB/s

Bandwidth

9.600GB/s

Render Config

-

SM Count

2

384

Shading Units

16

32

TMUs

8

16

ROPs

4

-

16 KB (per SMX)

L1 Cache

-

256 KB

L2 Cache

32 KB

-

Theoretical Performance

7.216 GPixel/s

Pixel Rate

2.356 GPixel/s

28.86 GTexel/s

Texture Rate

4.712 GTexel/s

-

692.7 GFLOPS

FP32 (float)

44.86 GFLOPS

28.86 GFLOPS

FP64 (double)

-

Board Design

65W

TDP

33W

250 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1x VGA

None

Power Connectors

None

Graphics Processor

GK107

GPU Name

GT218

GK107-300-A2

GPU Variant

GT218-300-B1

Kepler

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.27 billion

Transistors

0.26 billion

118 mm²

Die Size

57 mm²

Graphics Features

12 (11_0)

DirectX

11.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

Vulkan

N/A

3.0

CUDA

1.2

5.1

Shader Model

4.1

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