AMD Radeon HD 6770 vs NVIDIA GeForce GT 440

VS

AMD Radeon HD 6770 NVIDIA GeForce GT 440

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6770 and 1024MB VRAM GeForce GT 440 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6770 's Advantages

Larger VRAM bandwidth (76.80GB/s vs 28.80GB/s)

704 additional rendering cores

NVIDIA GeForce GT 440 's Advantages

Lower TDP (65W vs 108W)

Score

Benchmark

FP32 (float)

Radeon HD 6770 +337%

1.36 TFLOPS

GeForce GT 440

0.311 TFLOPS

Radeon HD 6770

VS

GeForce GT 440

Graphics Card

Jan 2011

Release Date

Feb 2011

Northern Islands

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1200 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

76.80GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

2

10

Compute Units

-

800

Shading Units

96

40

TMUs

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

256 KB

Theoretical Performance

13.60 GPixel/s

Pixel Rate

3.240 GPixel/s

34.00 GTexel/s

Texture Rate

12.96 GTexel/s

-

FP16 (half)

-

1360 GFLOPS

FP32 (float)

311.0 GFLOPS

-

FP64 (double)

25.92 GFLOPS

Graphics Processor

Juniper

GPU Name

GF108

Juniper XT (215-0754013)

GPU Variant

GF108-400-A1

TeraScale 2

Architecture

Fermi

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.04 billion

Transistors

0.585 billion

166 mm²

Die Size

116 mm²

Board Design

108W

TDP

65W

300 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin

Power Connectors

None

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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