AMD FireStream 9270 vs NVIDIA GeForce GTX 645 OEM

VS

AMD FireStream 9270

NVIDIA GeForce GTX 645 OEM

We compared two Desktop platform GPUs: 2GB VRAM FireStream 9270 and 1024MB VRAM GeForce GTX 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD FireStream 9270 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (115.2GB/s vs 64.00GB/s)

224 additional rendering cores

NVIDIA GeForce GTX 645 OEM 's Advantages

Released 4 years and 5 months late

Lower TDP (65W vs 160W)

Score

Benchmark

FP32 (float)

FireStream 9270 +26%

1.2 TFLOPS

GeForce GTX 645 OEM

0.949 TFLOPS

FireStream 9270

VS

GeForce GTX 645 OEM

Graphics Card

Nov 2008

Release Date

Apr 2013

FireStream

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

900 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

64.00GB/s

Render Config

10

Compute Units

-

800

Shading Units

576

40

TMUs

48

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

9.888 GPixel/s

30.00 GTexel/s

Texture Rate

39.55 GTexel/s

-

1200 GFLOPS

FP32 (float)

949.2 GFLOPS

240.0 GFLOPS

FP64 (double)

39.55 GFLOPS

Board Design

160W

TDP

65W

450 W

Suggested PSU

250 W

1x DVI

Outputs

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

2x 6-pin

Power Connectors

None

Graphics Processor

RV770

GPU Name

GK106

RV770 XT

GPU Variant

GK106-200-A1

TeraScale

Architecture

Kepler

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.956 billion

Transistors

2.54 billion

256 mm²

Die Size

221 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

4.1

Shader Model

5.1

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