NVIDIA GeForce GTX 275 vs AMD Radeon HD 6870 1600SP Edition

VS

NVIDIA GeForce GTX 275

AMD Radeon HD 6870 1600SP Edition

We compared two Desktop platform GPUs: 896MB VRAM GeForce GTX 275 and 1024MB VRAM Radeon HD 6870 1600SP Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870 1600SP Edition 's Advantages

Released 4 years late

More VRAM (1024GB vs 896GB)

Larger VRAM bandwidth (134.4GB/s vs 127.0GB/s)

1360 additional rendering cores

Lower TDP (175W vs 219W)

Score

Benchmark

FP32 (float)

GeForce GTX 275

0.674 TFLOPS

Radeon HD 6870 1600SP Edition +303%

2.72 TFLOPS

GeForce GTX 275

VS

Radeon HD 6870 1600SP Edition

Graphics Card

Jan 2009

Release Date

Jan 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

1050 MHz

Memory

896MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

448bit

Memory Bus

256bit

127.0GB/s

Bandwidth

134.4GB/s

Render Config

-

Compute Units

20

30

SM Count

-

240

Shading Units

1600

80

TMUs

80

28

ROPs

32

-

L1 Cache

8 KB (per CU)

224 KB

L2 Cache

512 KB

-

Theoretical Performance

17.72 GPixel/s

Pixel Rate

27.20 GPixel/s

50.64 GTexel/s

Texture Rate

68.00 GTexel/s

-

673.9 GFLOPS

FP32 (float)

2.720 TFLOPS

84.24 GFLOPS

FP64 (double)

544.0 GFLOPS

Board Design

219W

TDP

175W

550 W

Suggested PSU

450 W

2x DVI

Outputs

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

2x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

GT200B

GPU Name

Cypress

G200-105-B3

GPU Variant

Cypress XT (215-0735033)

Tesla 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

1.4 billion

Transistors

2.154 billion

470 mm²

Die Size

334 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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