AMD Radeon HD 8950 OEM vs ATI Radeon HD 5770 Mac Edition

VS

AMD Radeon HD 8950 OEM ATI Radeon HD 5770 Mac Edition

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 8950 OEM and 1024MB VRAM Radeon HD 5770 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8950 OEM 's Advantages

Released 2 years and 6 months late

Boost Clock925MHz

More VRAM (3GB vs 1GB)

Larger VRAM bandwidth (240.0GB/s vs 76.48GB/s)

992 additional rendering cores

ATI Radeon HD 5770 Mac Edition 's Advantages

Lower TDP (108W vs 200W)

Score

Benchmark

FP32 (float)

Radeon HD 8950 OEM +143%

3.315 TFLOPS

Radeon HD 5770 Mac Edition

1.36 TFLOPS

Radeon HD 8950 OEM

VS

Radeon HD 5770 Mac Edition

Graphics Card

Jan 2013

Release Date

Jul 2010

Sea Islands

Generation

Evergreen

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

850 MHz

Base Clock

-

925 MHz

Boost Clock

-

1250 MHz

Memory Clock

1195 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

128bit

240.0GB/s

Bandwidth

76.48GB/s

Render Config

-

SM Count

-

28

Compute Units

10

1792

Shading Units

800

112

TMUs

40

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

768 KB

L2 Cache

256 KB

Theoretical Performance

29.60 GPixel/s

Pixel Rate

13.60 GPixel/s

103.6 GTexel/s

Texture Rate

34.00 GTexel/s

-

FP16 (half)

-

3.315 TFLOPS

FP32 (float)

1360 GFLOPS

828.8 GFLOPS

FP64 (double)

-

Graphics Processor

Tahiti

GPU Name

Juniper

Tahiti PRO (215-0821056)

GPU Variant

Juniper XT (215-0754013)

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

4.313 billion

Transistors

1.04 billion

352 mm²

Die Size

166 mm²

Board Design

200W

TDP

108W

550 W

Suggested PSU

300 W

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

Outputs

1x DVI 1x DisplayPort 1.1

2x 6-pin

Power Connectors

1x 6-pin

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

5.1

Shader Model

5.0

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