AMD Radeon HD 6770 vs AMD Radeon HD 8770 OEM

VS

AMD Radeon HD 6770 AMD Radeon HD 8770 OEM

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6770 and 1024MB VRAM Radeon HD 8770 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 8 months late

Larger VRAM bandwidth (96.00GB/s vs 76.80GB/s)

96 additional rendering cores

Lower TDP (85W vs 108W)

Score

Benchmark

FP32 (float)

Radeon HD 6770

1.36 TFLOPS

Radeon HD 8770 OEM +38%

1.882 TFLOPS

Radeon HD 6770

VS

Radeon HD 8770 OEM

Graphics Card

Jan 2011

Release Date

Sep 2013

Northern Islands

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1200 MHz

Memory Clock

1500 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

76.80GB/s

Bandwidth

96.00GB/s

Render Config

-

SM Count

-

10

Compute Units

14

800

Shading Units

896

40

TMUs

56

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

Theoretical Performance

13.60 GPixel/s

Pixel Rate

16.80 GPixel/s

34.00 GTexel/s

Texture Rate

58.80 GTexel/s

-

FP16 (half)

-

1360 GFLOPS

FP32 (float)

1.882 TFLOPS

-

FP64 (double)

117.6 GFLOPS

Graphics Processor

Juniper

GPU Name

Bonaire

Juniper XT (215-0754013)

GPU Variant

Bonaire XT (215-0839039)

TeraScale 2

Architecture

GCN 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.04 billion

Transistors

2.08 billion

166 mm²

Die Size

160 mm²

Board Design

108W

TDP

85W

300 W

Suggested PSU

250 W

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

Outputs

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

1x 6-pin

Power Connectors

1x 6-pin

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.0

N/A

Vulkan

1.2

-

CUDA

-

5.0

Shader Model

6.3

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