AMD Radeon HD 7870 GHz Edition vs NVIDIA GeForce GTX 770

VS

AMD Radeon HD 7870 GHz Edition

NVIDIA GeForce GTX 770

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 GHz Edition and 2GB VRAM GeForce GTX 770 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 230W)

NVIDIA GeForce GTX 770 's Advantages

Released 1 years and 2 months late

Boost Clock1085MHz

Larger VRAM bandwidth (224.4GB/s vs 153.6GB/s)

256 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7870 GHz Edition

2.56 TFLOPS

GeForce GTX 770 +30%

3.333 TFLOPS

Radeon HD 7870 GHz Edition

VS

GeForce GTX 770

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

1046 MHz

-

Boost Clock

1085 MHz

1200 MHz

Memory Clock

1753 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

153.6GB/s

Bandwidth

224.4GB/s

Render Config

20

Compute Units

-

1280

Shading Units

1536

80

TMUs

128

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

34.72 GPixel/s

80.00 GTexel/s

Texture Rate

138.9 GTexel/s

-

2.560 TFLOPS

FP32 (float)

3.333 TFLOPS

160.0 GFLOPS

FP64 (double)

138.9 GFLOPS

Board Design

175W

TDP

230W

450 W

Suggested PSU

550 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

GK104

Pitcairn XT (215-0828047)

GPU Variant

GK104-425-A2

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

3.54 billion

212 mm²

Die Size

294 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

3.0

5.1

Shader Model

5.1

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