AMD Radeon HD 8770 OEM vs NVIDIA GeForce GTX 555 OEM

VS

AMD Radeon HD 8770 OEM

NVIDIA GeForce GTX 555 OEM

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 8770 OEM and 1024MB VRAM GeForce GTX 555 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8770 OEM 's Advantages

Released 2 years and 4 months late

Larger VRAM bandwidth (96.00GB/s vs 91.87GB/s)

608 additional rendering cores

Lower TDP (85W vs 150W)

Score

Benchmark

FP32 (float)

Radeon HD 8770 OEM +121%

1.882 TFLOPS

GeForce GTX 555 OEM

0.848 TFLOPS

Radeon HD 8770 OEM

VS

GeForce GTX 555 OEM

Graphics Card

Sep 2013

Release Date

May 2011

Sea Islands

Generation

GeForce 500

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1500 MHz

Memory Clock

957 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

192bit

96.00GB/s

Bandwidth

91.87GB/s

Render Config

14

Compute Units

-

SM Count

6

896

Shading Units

288

56

TMUs

48

16

ROPs

24

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

384 KB

-

Theoretical Performance

16.80 GPixel/s

Pixel Rate

8.832 GPixel/s

58.80 GTexel/s

Texture Rate

35.33 GTexel/s

-

1.882 TFLOPS

FP32 (float)

847.9 GFLOPS

117.6 GFLOPS

FP64 (double)

70.66 GFLOPS

Board Design

85W

TDP

150W

250 W

Suggested PSU

450 W

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

Outputs

2x DVI 1x mini-HDMI 1.3a

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

Bonaire

GPU Name

GF114

Bonaire XT (215-0839039)

GPU Variant

GF114-200-KB-A1

GCN 2.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.08 billion

Transistors

1.95 billion

160 mm²

Die Size

332 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.0

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.1

6.3

Shader Model

5.1

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