AMD Radeon HD 8550 OEM vs NVIDIA GeForce GT 640 Rev. 2

VS

AMD Radeon HD 8550 OEM

NVIDIA GeForce GT 640 Rev. 2

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 8550 OEM and 1024MB VRAM GeForce GT 640 Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8550 OEM 's Advantages

96 additional rendering cores

NVIDIA GeForce GT 640 Rev. 2 's Advantages

Larger VRAM bandwidth (40.06GB/s vs 25.60GB/s)

Lower TDP (49W vs 60W)

Score

Benchmark

FP32 (float)

Radeon HD 8550 OEM

0.624 TFLOPS

GeForce GT 640 Rev. 2 +28%

0.803 TFLOPS

Radeon HD 8550 OEM

VS

GeForce GT 640 Rev. 2

Graphics Card

Oct 2013

Release Date

May 2013

Sea Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x8

Clock Speeds

-

800 MHz

Memory Clock

1252 MHz

Memory

1024MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

64bit

25.60GB/s

Bandwidth

40.06GB/s

Render Config

6

Compute Units

-

480

Shading Units

384

24

TMUs

32

8

ROPs

8

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

5.200 GPixel/s

Pixel Rate

8.368 GPixel/s

15.60 GTexel/s

Texture Rate

33.47 GTexel/s

-

624.0 GFLOPS

FP32 (float)

803.3 GFLOPS

-

FP64 (double)

33.47 GFLOPS

Board Design

60W

TDP

49W

250 W

Suggested PSU

200 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

None

Power Connectors

None

Graphics Processor

Turks

GPU Name

GK208

Turks PRO (215-0803002)

GPU Variant

GK208-400-A1

TeraScale 2

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.716 billion

Transistors

1.02 billion

118 mm²

Die Size

87 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.5

5.0

Shader Model

5.1

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