NVIDIA GeForce GTX 275 vs AMD Radeon HD 6770 Green Edition

VS

NVIDIA GeForce GTX 275

AMD Radeon HD 6770 Green Edition

We compared two Desktop platform GPUs: 896MB VRAM GeForce GTX 275 and 2GB VRAM Radeon HD 6770 Green Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 275 's Advantages

Larger VRAM bandwidth (127.0GB/s vs 21.34GB/s)

AMD Radeon HD 6770 Green Edition 's Advantages

Released 4 years and 3 months late

More VRAM (2GB vs 896GB)

480 additional rendering cores

Lower TDP (86W vs 219W)

Score

Benchmark

FP32 (float)

GeForce GTX 275

0.674 TFLOPS

Radeon HD 6770 Green Edition +49%

1.008 TFLOPS

GeForce GTX 275

VS

Radeon HD 6770 Green Edition

Graphics Card

Jan 2009

Release Date

Apr 2013

GeForce 200

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1134 MHz

Memory Clock

667 MHz

Memory

896MB

Memory Size

2GB

GDDR3

Memory Type

GDDR3

448bit

Memory Bus

128bit

127.0GB/s

Bandwidth

21.34GB/s

Render Config

-

Compute Units

9

30

SM Count

-

240

Shading Units

720

80

TMUs

36

28

ROPs

16

-

L1 Cache

8 KB (per CU)

224 KB

L2 Cache

256 KB

-

Theoretical Performance

17.72 GPixel/s

Pixel Rate

11.20 GPixel/s

50.64 GTexel/s

Texture Rate

25.20 GTexel/s

-

673.9 GFLOPS

FP32 (float)

1008 GFLOPS

84.24 GFLOPS

FP64 (double)

-

Board Design

219W

TDP

86W

550 W

Suggested PSU

250 W

2x DVI

Outputs

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

2x 6-pin

Power Connectors

-

Graphics Processor

GT200B

GPU Name

Juniper

G200-105-B3

GPU Variant

Juniper LE (215-0754009)

Tesla 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

1.4 billion

Transistors

1.04 billion

470 mm²

Die Size

166 mm²

Graphics Features

11.1 (10_0)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

1.3

CUDA

-

4.0

Shader Model

5.0

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