AMD Radeon HD 7870 XT vs NVIDIA GeForce GTX 480 Core 512

VS

AMD Radeon HD 7870 XT

NVIDIA GeForce GTX 480 Core 512

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 XT and 1536MB VRAM GeForce GTX 480 Core 512 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7870 XT 's Advantages

Boost Clock975MHz

More VRAM (2GB vs 1536GB)

Larger VRAM bandwidth (192.0GB/s vs 134.4GB/s)

1024 additional rendering cores

Lower TDP (185W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 7870 XT +177%

2.995 TFLOPS

GeForce GTX 480 Core 512

1.078 TFLOPS

Radeon HD 7870 XT

VS

GeForce GTX 480 Core 512

Graphics Card

Nov 2012

Release Date

Unknown

Southern Islands

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

925 MHz

Base Clock

-

975 MHz

Boost Clock

-

1500 MHz

Memory Clock

700 MHz

Memory

2GB

Memory Size

1536MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

192.0GB/s

Bandwidth

134.4GB/s

Render Config

24

Compute Units

-

SM Count

16

1536

Shading Units

512

96

TMUs

64

32

ROPs

48

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

768 KB

-

Theoretical Performance

31.20 GPixel/s

Pixel Rate

16.86 GPixel/s

93.60 GTexel/s

Texture Rate

33.73 GTexel/s

-

2.995 TFLOPS

FP32 (float)

1078 GFLOPS

748.8 GFLOPS

FP64 (double)

-

Board Design

185W

TDP

375W

450 W

Suggested PSU

750 W

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

Outputs

2x DVI 1x mini-HDMI 1.3a

2x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

Tahiti

GPU Name

GF100

Tahiti LE (215-0821122)

GPU Variant

GF100-ES-DT1-A2

GCN 1.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

4.313 billion

Transistors

3.1 billion

352 mm²

Die Size

529 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.0

5.1

Shader Model

5.1

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