NVIDIA GeForce GTX 275 vs AMD Radeon HD 6770

VS

NVIDIA GeForce GTX 275 AMD Radeon HD 6770

We compared two Desktop platform GPUs: 896MB VRAM GeForce GTX 275 and 1024MB VRAM Radeon HD 6770 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 76.80GB/s)

AMD Radeon HD 6770 's Advantages

Released 2 years late

More VRAM (1024GB vs 896GB)

560 additional rendering cores

Lower TDP (108W vs 219W)

Score

Benchmark

FP32 (float)

GeForce GTX 275

0.674 TFLOPS

Radeon HD 6770 +101%

1.36 TFLOPS

GeForce GTX 275

VS

Radeon HD 6770

Graphics Card

Jan 2009

Release Date

Jan 2011

GeForce 200

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1134 MHz

Memory Clock

1200 MHz

Memory

896MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

448bit

Memory Bus

128bit

127.0GB/s

Bandwidth

76.80GB/s

Render Config

30

SM Count

-

Compute Units

10

240

Shading Units

800

80

TMUs

40

28

ROPs

16

-

Tensor Cores

-

RT Cores

-

L1 Cache

8 KB (per CU)

224 KB

L2 Cache

256 KB

Theoretical Performance

17.72 GPixel/s

Pixel Rate

13.60 GPixel/s

50.64 GTexel/s

Texture Rate

34.00 GTexel/s

-

FP16 (half)

-

673.9 GFLOPS

FP32 (float)

1360 GFLOPS

84.24 GFLOPS

FP64 (double)

-

Graphics Processor

GT200B

GPU Name

Juniper

G200-105-B3

GPU Variant

Juniper XT (215-0754013)

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

Board Design

219W

TDP

108W

550 W

Suggested PSU

300 W

2x DVI

Outputs

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

2x 6-pin

Power Connectors

1x 6-pin

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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