AMD Radeon HD 7870 GHz Edition vs NVIDIA GeForce GTX 780

VS

AMD Radeon HD 7870 GHz Edition

NVIDIA GeForce GTX 780

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 GHz Edition and 3GB VRAM GeForce GTX 780 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7870 GHz Edition 's Advantages

Lower TDP (175W vs 250W)

NVIDIA GeForce GTX 780 's Advantages

Released 1 years and 2 months late

Boost Clock902MHz

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (288.4GB/s vs 153.6GB/s)

1024 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7870 GHz Edition

2.56 TFLOPS

GeForce GTX 780 +62%

4.156 TFLOPS

Radeon HD 7870 GHz Edition

VS

GeForce GTX 780

Graphics Card

Mar 2012

Release Date

May 2013

Southern Islands

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

863 MHz

-

Boost Clock

902 MHz

1200 MHz

Memory Clock

1502 MHz

Memory

2GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

153.6GB/s

Bandwidth

288.4GB/s

Render Config

20

Compute Units

-

1280

Shading Units

2304

80

TMUs

192

32

ROPs

48

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

1536 KB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

43.30 GPixel/s

80.00 GTexel/s

Texture Rate

173.2 GTexel/s

-

2.560 TFLOPS

FP32 (float)

4.156 TFLOPS

160.0 GFLOPS

FP64 (double)

173.2 GFLOPS

Board Design

175W

TDP

250W

450 W

Suggested PSU

600 W

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

Outputs

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

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Pitcairn

GPU Name

GK110

Pitcairn XT (215-0828047)

GPU Variant

GK110-300-A1

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

7.08 billion

212 mm²

Die Size

561 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.5

5.1

Shader Model

5.1

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