NVIDIA GeForce GT 640 OEM vs ATI FirePro V9800P

VS

NVIDIA GeForce GT 640 OEM ATI FirePro V9800P

We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 OEM and 4GB VRAM FirePro V9800P 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 1 years and 7 months late

Lower TDP (50W vs 225W)

ATI FirePro V9800P 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (147.2GB/s vs 28.51GB/s)

1216 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 640 OEM

0.612 TFLOPS

FirePro V9800P +344%

2.72 TFLOPS

GeForce GT 640 OEM

VS

FirePro V9800P

Graphics Card

Apr 2012

Release Date

Sep 2010

GeForce 600

Generation

FirePro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

891 MHz

Memory Clock

1150 MHz

Memory

2GB

Memory Size

4GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

28.51GB/s

Bandwidth

147.2GB/s

Render Config

-

SM Count

-

Compute Units

20

384

Shading Units

1600

32

TMUs

80

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

Theoretical Performance

6.376 GPixel/s

Pixel Rate

27.20 GPixel/s

25.50 GTexel/s

Texture Rate

68.00 GTexel/s

-

FP16 (half)

-

612.1 GFLOPS

FP32 (float)

2.720 TFLOPS

25.50 GFLOPS

FP64 (double)

544.0 GFLOPS

Graphics Processor

GK107

GPU Name

Cypress

GK107-320-A2

GPU Variant

Cypress XT GL

Kepler

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.27 billion

Transistors

2.154 billion

118 mm²

Die Size

334 mm²

Board Design

50W

TDP

225W

250 W

Suggested PSU

550 W

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

Outputs

1x DisplayPort 1.1

None

Power Connectors

1x 8-pin

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

5.0

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