AMD Radeon HD 6750 vs NVIDIA GeForce GT 645 OEM

VS

AMD Radeon HD 6750

NVIDIA GeForce GT 645 OEM

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6750 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 6750 's Advantages

432 additional rendering cores

Lower TDP (86W vs 102W)

NVIDIA GeForce GT 645 OEM 's Advantages

Released 1 years and 3 months late

Larger VRAM bandwidth (91.87GB/s vs 73.60GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 6750 +12%

1.008 TFLOPS

GeForce GT 645 OEM

0.894 TFLOPS

Radeon HD 6750

VS

GeForce GT 645 OEM

Graphics Card

Jan 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

-

1150 MHz

Memory Clock

957 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

192bit

73.60GB/s

Bandwidth

91.87GB/s

Render Config

9

Compute Units

-

SM Count

6

720

Shading Units

288

36

TMUs

48

16

ROPs

24

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

384 KB

-

Theoretical Performance

11.20 GPixel/s

Pixel Rate

9.312 GPixel/s

25.20 GTexel/s

Texture Rate

37.25 GTexel/s

-

1008 GFLOPS

FP32 (float)

894.0 GFLOPS

-

FP64 (double)

74.50 GFLOPS

Board Design

86W

TDP

102W

250 W

Suggested PSU

300 W

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

Outputs

2x DVI 1x mini-HDMI 1.3a

1x 6-pin

Power Connectors

-

Graphics Processor

Juniper

GPU Name

GF114

Juniper LE (215-0754009)

GPU Variant

-

TeraScale 2

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.04 billion

Transistors

1.95 billion

166 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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