AMD Radeon HD 8770 OEM vs AMD Radeon HD 7950 Monica BIOS 2

VS

AMD Radeon HD 8770 OEM

AMD Radeon HD 7950 Monica BIOS 2

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 8770 OEM and 3GB VRAM Radeon HD 7950 Monica BIOS 2 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 1 years and 8 months late

128 additional rendering cores

AMD Radeon HD 7950 Monica BIOS 2 's Advantages

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (240.0GB/s vs 96.00GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 8770 OEM +53%

1.882 TFLOPS

Radeon HD 7950 Monica BIOS 2

1.229 TFLOPS

Radeon HD 8770 OEM

VS

Radeon HD 7950 Monica BIOS 2

Graphics Card

Sep 2013

Release Date

Jan 2012

Sea Islands

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1500 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

384bit

96.00GB/s

Bandwidth

240.0GB/s

Render Config

14

Compute Units

12

-

896

Shading Units

768

56

TMUs

48

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

768 KB

-

Theoretical Performance

16.80 GPixel/s

Pixel Rate

25.60 GPixel/s

58.80 GTexel/s

Texture Rate

38.40 GTexel/s

-

1.882 TFLOPS

FP32 (float)

1229 GFLOPS

117.6 GFLOPS

FP64 (double)

307.2 GFLOPS

Board Design

85W

TDP

85W

250 W

Suggested PSU

250 W

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

Outputs

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

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Bonaire

GPU Name

Tahiti

Bonaire XT (215-0839039)

GPU Variant

Tahiti PRO (215-0821056)

GCN 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

4.313 billion

160 mm²

Die Size

352 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.0

OpenCL

1.2

Vulkan

1.2

-

6.3

Shader Model

5.1

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