NVIDIA GeForce GTX 645 OEM vs AMD Radeon HD 6530

VS

NVIDIA GeForce GTX 645 OEM

AMD Radeon HD 6530

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 645 OEM and 1024MB VRAM Radeon HD 6530 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 645 OEM 's Advantages

Released 1 years and 11 months late

Larger VRAM bandwidth (64.00GB/s vs 19.20GB/s)

176 additional rendering cores

AMD Radeon HD 6530 's Advantages

Lower TDP (39W vs 65W)

Score

Benchmark

FP32 (float)

GeForce GTX 645 OEM +82%

0.949 TFLOPS

Radeon HD 6530

0.52 TFLOPS

GeForce GTX 645 OEM

VS

Radeon HD 6530

Graphics Card

Apr 2013

Release Date

May 2011

GeForce 600

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

600 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

19.20GB/s

Render Config

-

Compute Units

5

-

576

Shading Units

400

48

TMUs

20

16

ROPs

8

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

9.888 GPixel/s

Pixel Rate

5.200 GPixel/s

39.55 GTexel/s

Texture Rate

13.00 GTexel/s

-

949.2 GFLOPS

FP32 (float)

520.0 GFLOPS

39.55 GFLOPS

FP64 (double)

-

Board Design

65W

TDP

39W

250 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

None

Power Connectors

-

Graphics Processor

GK106

GPU Name

Redwood

GK106-200-A1

GPU Variant

Redwood PRO (215-0757004)

Kepler

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.54 billion

Transistors

0.627 billion

221 mm²

Die Size

104 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

5.0

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