NVIDIA GeForce GT 640 Rev. 2 vs AMD FireStream 9170

VS

NVIDIA GeForce GT 640 Rev. 2 AMD FireStream 9170

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 640 Rev. 2 and 2GB VRAM FireStream 9170 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 Rev. 2 's Advantages

Released 5 years and 6 months late

64 additional rendering cores

Lower TDP (49W vs 105W)

AMD FireStream 9170 's Advantages

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (51.33GB/s vs 40.06GB/s)

Score

Benchmark

FP32 (float)

GeForce GT 640 Rev. 2 +61%

0.803 TFLOPS

FireStream 9170

0.497 TFLOPS

GeForce GT 640 Rev. 2

VS

FireStream 9170

Graphics Card

May 2013

Release Date

Nov 2007

GeForce 600

Generation

FireStream

Desktop

Type

Desktop

PCIe 2.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1252 MHz

Memory Clock

802 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR3

64bit

Memory Bus

256bit

40.06GB/s

Bandwidth

51.33GB/s

Render Config

-

SM Count

-

Compute Units

4

384

Shading Units

320

32

TMUs

16

8

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

-

512 KB

L2 Cache

256 KB

Theoretical Performance

8.368 GPixel/s

Pixel Rate

12.43 GPixel/s

33.47 GTexel/s

Texture Rate

12.43 GTexel/s

-

FP16 (half)

-

803.3 GFLOPS

FP32 (float)

497.3 GFLOPS

33.47 GFLOPS

FP64 (double)

99.46 GFLOPS

Graphics Processor

GK208

GPU Name

RV670

GK208-400-A1

GPU Variant

-

Kepler 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

1.02 billion

Transistors

0.666 billion

87 mm²

Die Size

192 mm²

Board Design

49W

TDP

105W

200 W

Suggested PSU

300 W

1x DVI 1x HDMI 1.4a 1x VGA

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 6-pin

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3 (full) 4.0 (partial)

3.0

OpenCL

N/A

1.1

Vulkan

N/A

3.5

CUDA

-

5.1

Shader Model

4.1

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