NVIDIA GeForce GT 640 vs ATI FirePro V8700 Duo

VS

NVIDIA GeForce GT 640

ATI FirePro V8700 Duo

We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 1024MB VRAM FirePro V8700 Duo to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 's Advantages

More VRAM (2GB vs 1024GB)

Lower TDP (65W vs 151W)

ATI FirePro V8700 Duo 's Advantages

Larger VRAM bandwidth (108.8GB/s vs 28.51GB/s)

416 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 640

0.693 TFLOPS

FirePro V8700 Duo +73%

1.2 TFLOPS

GeForce GT 640

VS

FirePro V8700 Duo

Graphics Card

Jun 2012

Release Date

Unknown

GeForce 600

Generation

FirePro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

891 MHz

Memory Clock

850 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

28.51GB/s

Bandwidth

108.8GB/s

Render Config

-

Compute Units

10

-

384

Shading Units

800

32

TMUs

40

16

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

7.216 GPixel/s

Pixel Rate

12.00 GPixel/s

28.86 GTexel/s

Texture Rate

30.00 GTexel/s

-

692.7 GFLOPS

FP32 (float)

1200 GFLOPS

28.86 GFLOPS

FP64 (double)

-

Board Design

65W

TDP

151W

250 W

Suggested PSU

450 W

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

Outputs

No outputs

None

Power Connectors

2x 6-pin

Graphics Processor

GK107

GPU Name

RV770

GK107-300-A2

GPU Variant

RV770 XT (215-0669049)

Kepler

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

1.27 billion

Transistors

0.956 billion

118 mm²

Die Size

256 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

4.1

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