NVIDIA GeForce GT 640 vs AMD FirePro W8100

VS

NVIDIA GeForce GT 640

AMD FirePro W8100

We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 8GB VRAM FirePro W8100 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 's Advantages

Lower TDP (65W vs 220W)

AMD FirePro W8100 's Advantages

Released 2 years late

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (320.0GB/s vs 28.51GB/s)

2176 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 640

0.693 TFLOPS

FirePro W8100 +508%

4.219 TFLOPS

GeForce GT 640

VS

FirePro W8100

Graphics Card

Jun 2012

Release Date

Jun 2014

GeForce 600

Generation

FirePro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

891 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

8GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

512bit

28.51GB/s

Bandwidth

320.0GB/s

Render Config

-

Compute Units

40

-

384

Shading Units

2560

32

TMUs

160

16

ROPs

64

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

7.216 GPixel/s

Pixel Rate

52.74 GPixel/s

28.86 GTexel/s

Texture Rate

131.8 GTexel/s

-

692.7 GFLOPS

FP32 (float)

4.219 TFLOPS

28.86 GFLOPS

FP64 (double)

2.109 TFLOPS

Board Design

65W

TDP

220W

250 W

Suggested PSU

550 W

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

Outputs

4x DisplayPort 1.2 1x SDI

None

Power Connectors

2x 6-pin

Graphics Processor

GK107

GPU Name

Hawaii

GK107-300-A2

GPU Variant

Hawaii GL40

Kepler

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.27 billion

Transistors

6.2 billion

118 mm²

Die Size

438 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.0

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

6.3

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