NVIDIA GeForce GTX 770 vs AMD Radeon HD 8770 OEM

VS

NVIDIA GeForce GTX 770

AMD Radeon HD 8770 OEM

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 770 and 1024MB VRAM Radeon HD 8770 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 770 's Advantages

Boost Clock1085MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (224.4GB/s vs 96.00GB/s)

640 additional rendering cores

AMD Radeon HD 8770 OEM 's Advantages

Lower TDP (85W vs 230W)

Score

Benchmark

FP32 (float)

GeForce GTX 770 +77%

3.333 TFLOPS

Radeon HD 8770 OEM

1.882 TFLOPS

GeForce GTX 770

VS

Radeon HD 8770 OEM

Graphics Card

May 2013

Release Date

Sep 2013

GeForce 700

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1046 MHz

Base Clock

-

1085 MHz

Boost Clock

-

1753 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

224.4GB/s

Bandwidth

96.00GB/s

Render Config

-

Compute Units

14

-

1536

Shading Units

896

128

TMUs

56

32

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

34.72 GPixel/s

Pixel Rate

16.80 GPixel/s

138.9 GTexel/s

Texture Rate

58.80 GTexel/s

-

3.333 TFLOPS

FP32 (float)

1.882 TFLOPS

138.9 GFLOPS

FP64 (double)

117.6 GFLOPS

Board Design

230W

TDP

85W

550 W

Suggested PSU

250 W

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

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

GK104

GPU Name

Bonaire

GK104-425-A2

GPU Variant

Bonaire XT (215-0839039)

Kepler

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

2.08 billion

294 mm²

Die Size

160 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.0

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

6.3

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