NVIDIA GeForce GT 640 OEM Rebrand vs AMD FirePro D300

VS

NVIDIA GeForce GT 640 OEM Rebrand

AMD FirePro D300

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GT 640 OEM Rebrand and 2GB VRAM FirePro D300 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

Lower TDP (75W vs 150W)

AMD FirePro D300 's Advantages

Released 1 years and 9 months late

More VRAM (2GB vs 1536GB)

Larger VRAM bandwidth (162.6GB/s vs 38.40GB/s)

1136 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 640 OEM Rebrand

0.415 TFLOPS

FirePro D300 +424%

2.176 TFLOPS

GeForce GT 640 OEM Rebrand

VS

FirePro D300

Graphics Card

Apr 2012

Release Date

Jan 2014

GeForce 600

Generation

FirePro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

800 MHz

Memory Clock

1270 MHz

Memory

1536MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

192bit

Memory Bus

256bit

38.40GB/s

Bandwidth

162.6GB/s

Render Config

-

Compute Units

20

3

SM Count

-

144

Shading Units

1280

24

TMUs

80

24

ROPs

32

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

512 KB

-

Theoretical Performance

4.320 GPixel/s

Pixel Rate

27.20 GPixel/s

17.28 GTexel/s

Texture Rate

68.00 GTexel/s

-

414.7 GFLOPS

FP32 (float)

2.176 TFLOPS

34.56 GFLOPS

FP64 (double)

136.0 GFLOPS

Board Design

75W

TDP

150W

250 W

Suggested PSU

450 W

2x DVI 1x mini-HDMI 1.3a

Outputs

4x DisplayPort 1.2

None

Power Connectors

-

Graphics Processor

GF116

GPU Name

Pitcairn

GF116-150-A1

GPU Variant

Pitcairn XT GL (215-0828073)

Fermi 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.17 billion

Transistors

2.8 billion

238 mm²

Die Size

212 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

2.1

CUDA

-

5.1

Shader Model

5.1

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