AMD Radeon HD 6530 vs NVIDIA GeForce GT 645 OEM

VS

AMD Radeon HD 6530

NVIDIA GeForce GT 645 OEM

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

Main Differences

AMD Radeon HD 6530 's Advantages

112 additional rendering cores

Lower TDP (39W vs 102W)

NVIDIA GeForce GT 645 OEM 's Advantages

Released 11 months late

Larger VRAM bandwidth (91.87GB/s vs 19.20GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 6530

0.52 TFLOPS

GeForce GT 645 OEM +71%

0.894 TFLOPS

Radeon HD 6530

VS

GeForce GT 645 OEM

Graphics Card

May 2011

Release Date

Apr 2012

Northern Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

600 MHz

Memory Clock

957 MHz

Memory

1024MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

192bit

19.20GB/s

Bandwidth

91.87GB/s

Render Config

5

Compute Units

-

SM Count

6

400

Shading Units

288

20

TMUs

48

8

ROPs

24

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

384 KB

-

Theoretical Performance

5.200 GPixel/s

Pixel Rate

9.312 GPixel/s

13.00 GTexel/s

Texture Rate

37.25 GTexel/s

-

520.0 GFLOPS

FP32 (float)

894.0 GFLOPS

-

FP64 (double)

74.50 GFLOPS

Board Design

39W

TDP

102W

200 W

Suggested PSU

300 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

2x DVI 1x mini-HDMI 1.3a

-

Graphics Processor

Redwood

GPU Name

GF114

Redwood PRO (215-0757004)

GPU Variant

-

TeraScale 2

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.627 billion

Transistors

1.95 billion

104 mm²

Die Size

332 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

5.0

Shader Model

5.1

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