NVIDIA GeForce GTX 480 vs AMD Radeon HD 8870 OEM

VS

NVIDIA GeForce GTX 480

AMD Radeon HD 8870 OEM

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 480 and 2GB VRAM Radeon HD 8870 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 480 's Advantages

Larger VRAM bandwidth (177.4GB/s vs 153.6GB/s)

AMD Radeon HD 8870 OEM 's Advantages

Released 2 years and 10 months late

More VRAM (2GB vs 1536GB)

800 additional rendering cores

Lower TDP (175W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 480

1.345 TFLOPS

Radeon HD 8870 OEM +90%

2.56 TFLOPS

GeForce GTX 480

VS

Radeon HD 8870 OEM

Graphics Card

Mar 2010

Release Date

Jan 2013

GeForce 400

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

924 MHz

Memory Clock

1200 MHz

Memory

1536MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

177.4GB/s

Bandwidth

153.6GB/s

Render Config

-

Compute Units

20

15

SM Count

-

480

Shading Units

1280

60

TMUs

80

48

ROPs

32

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

512 KB

-

Theoretical Performance

21.03 GPixel/s

Pixel Rate

32.00 GPixel/s

42.06 GTexel/s

Texture Rate

80.00 GTexel/s

-

1345 GFLOPS

FP32 (float)

2.560 TFLOPS

168.1 GFLOPS

FP64 (double)

160.0 GFLOPS

Board Design

250W

TDP

175W

600 W

Suggested PSU

450 W

2x DVI 1x mini-HDMI 1.3a

Outputs

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

1x 6-pin + 1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

GF100

GPU Name

Pitcairn

GF100-375-A3

GPU Variant

Pitcairn XT (215-0828047)

Fermi

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

3.1 billion

Transistors

2.8 billion

529 mm²

Die Size

212 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

2.0

CUDA

-

5.1

Shader Model

5.1

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