NVIDIA GeForce GT 640 OEM Rebrand vs AMD FirePro W4100

VS

NVIDIA GeForce GT 640 OEM Rebrand

AMD FirePro W4100

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GT 640 OEM Rebrand and 2GB VRAM FirePro W4100 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD FirePro W4100 's Advantages

Released 2 years and 4 months late

More VRAM (2GB vs 1536GB)

Larger VRAM bandwidth (64.00GB/s vs 38.40GB/s)

368 additional rendering cores

Lower TDP (50W vs 75W)

Score

Benchmark

FP32 (float)

GeForce GT 640 OEM Rebrand

0.415 TFLOPS

FirePro W4100 +55%

0.645 TFLOPS

GeForce GT 640 OEM Rebrand

VS

FirePro W4100

Graphics Card

Apr 2012

Release Date

Aug 2014

GeForce 600

Generation

FirePro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

800 MHz

Memory Clock

1000 MHz

Memory

1536MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

192bit

Memory Bus

128bit

38.40GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

8

3

SM Count

-

144

Shading Units

512

24

TMUs

32

24

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

256 KB

-

Theoretical Performance

4.320 GPixel/s

Pixel Rate

10.08 GPixel/s

17.28 GTexel/s

Texture Rate

20.16 GTexel/s

-

414.7 GFLOPS

FP32 (float)

645.1 GFLOPS

34.56 GFLOPS

FP64 (double)

40.32 GFLOPS

Board Design

75W

TDP

50W

250 W

Suggested PSU

250 W

2x DVI 1x mini-HDMI 1.3a

Outputs

4x mini-DisplayPort 1.2

None

Power Connectors

None

Graphics Processor

GF116

GPU Name

Cape Verde

GF116-150-A1

GPU Variant

Cape Verde PRO GL

Fermi 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.17 billion

Transistors

1.5 billion

238 mm²

Die Size

123 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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