AMD Radeon HD 8950 OEM vs ATI Radeon HD 3850 X3

VS

AMD Radeon HD 8950 OEM

ATI Radeon HD 3850 X3

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 8950 OEM and 512MB VRAM Radeon HD 3850 X3 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8950 OEM 's Advantages

Boost Clock925MHz

More VRAM (3GB vs 512GB)

Larger VRAM bandwidth (240.0GB/s vs 54.40GB/s)

1472 additional rendering cores

ATI Radeon HD 3850 X3 's Advantages

Lower TDP (145W vs 200W)

Score

Benchmark

FP32 (float)

Radeon HD 8950 OEM +674%

3.315 TFLOPS

Radeon HD 3850 X3

0.428 TFLOPS

Radeon HD 8950 OEM

VS

Radeon HD 3850 X3

Graphics Card

Jan 2013

Release Date

Unknown

Sea Islands

Generation

Radeon R600

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

850 MHz

Memory

3GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

256bit

240.0GB/s

Bandwidth

54.40GB/s

Render Config

28

Compute Units

4

-

1792

Shading Units

320

112

TMUs

16

32

ROPs

16

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

256 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

10.70 GPixel/s

103.6 GTexel/s

Texture Rate

10.70 GTexel/s

-

3.315 TFLOPS

FP32 (float)

428.2 GFLOPS

828.8 GFLOPS

FP64 (double)

-

Board Design

200W

TDP

145W

550 W

Suggested PSU

300 W

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

Outputs

4x DVI

2x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

Tahiti

GPU Name

RV670

Tahiti PRO (215-0821056)

GPU Variant

RV670 PRO (215-0708003)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

4.313 billion

Transistors

0.666 billion

352 mm²

Die Size

192 mm²

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3 (full) 4.0 (partial)

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

5.1

Shader Model

4.1

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