NVIDIA GeForce GTX 480 Core 512 vs AMD Radeon HD 6870

VS

NVIDIA GeForce GTX 480 Core 512

AMD Radeon HD 6870

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 480 Core 512 and 1024MB VRAM Radeon HD 6870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 480 Core 512 's Advantages

More VRAM (1536GB vs 1024GB)

AMD Radeon HD 6870 's Advantages

608 additional rendering cores

Lower TDP (151W vs 375W)

Score

Benchmark

FP32 (float)

GeForce GTX 480 Core 512

1.078 TFLOPS

Radeon HD 6870 +87%

2.016 TFLOPS

GeForce GTX 480 Core 512

VS

Radeon HD 6870

Graphics Card

Unknown

Release Date

Oct 2010

GeForce 400

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

700 MHz

Memory Clock

1050 MHz

Memory

1536MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

134.4GB/s

Bandwidth

134.4GB/s

Render Config

-

Compute Units

14

16

SM Count

-

512

Shading Units

1120

64

TMUs

56

48

ROPs

32

-

64 KB (per SM)

L1 Cache

8 KB (per CU)

768 KB

L2 Cache

512 KB

-

Theoretical Performance

16.86 GPixel/s

Pixel Rate

28.80 GPixel/s

33.73 GTexel/s

Texture Rate

50.40 GTexel/s

-

1078 GFLOPS

FP32 (float)

2.016 TFLOPS

-

Board Design

375W

TDP

151W

750 W

Suggested PSU

450 W

2x DVI 1x mini-HDMI 1.3a

Outputs

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

2x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

GF100

GPU Name

Barts

GF100-ES-DT1-A2

GPU Variant

Barts XT (215-0798000)

Fermi

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

3.1 billion

Transistors

1.7 billion

529 mm²

Die Size

255 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

2.0

CUDA

-

5.1

Shader Model

5.0

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