NVIDIA GeForce GTX 480 Core 512 vs AMD Radeon HD 8870 OEM

VS

NVIDIA GeForce GTX 480 Core 512

AMD Radeon HD 8870 OEM

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 480 Core 512 and 2GB VRAM Radeon HD 8870 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8870 OEM 's Advantages

More VRAM (2GB vs 1536GB)

Larger VRAM bandwidth (153.6GB/s vs 134.4GB/s)

768 additional rendering cores

Lower TDP (175W vs 375W)

Score

Benchmark

FP32 (float)

GeForce GTX 480 Core 512

1.078 TFLOPS

Radeon HD 8870 OEM +137%

2.56 TFLOPS

GeForce GTX 480 Core 512

VS

Radeon HD 8870 OEM

Graphics Card

Unknown

Release Date

Jan 2013

GeForce 400

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

700 MHz

Memory Clock

1200 MHz

Memory

1536MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

134.4GB/s

Bandwidth

153.6GB/s

Render Config

-

Compute Units

20

16

SM Count

-

512

Shading Units

1280

64

TMUs

80

48

ROPs

32

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

512 KB

-

Theoretical Performance

16.86 GPixel/s

Pixel Rate

32.00 GPixel/s

33.73 GTexel/s

Texture Rate

80.00 GTexel/s

-

1078 GFLOPS

FP32 (float)

2.560 TFLOPS

-

FP64 (double)

160.0 GFLOPS

Board Design

375W

TDP

175W

750 W

Suggested PSU

450 W

2x DVI 1x mini-HDMI 1.3a

Outputs

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

2x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

GF100

GPU Name

Pitcairn

GF100-ES-DT1-A2

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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