ATI Radeon HD 3870 Mac Edition vs NVIDIA GeForce GTX 950 OEM

VS

ATI Radeon HD 3870 Mac Edition

NVIDIA GeForce GTX 950 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3870 Mac Edition and 4GB VRAM GeForce GTX 950 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 950 OEM 's Advantages

Released 7 years and 7 months late

Boost Clock1203MHz

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (80.19GB/s vs 72.06GB/s)

704 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3870 Mac Edition

0.497 TFLOPS

GeForce GTX 950 OEM +395%

2.464 TFLOPS

Radeon HD 3870 Mac Edition

VS

GeForce GTX 950 OEM

Graphics Card

Jun 2008

Release Date

Jan 2016

Radeon R600

Generation

GeForce 900

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

937 MHz

-

Boost Clock

1203 MHz

1126 MHz

Memory Clock

1253 MHz

Memory

512MB

Memory Size

4GB

GDDR4

Memory Type

GDDR5

256bit

Memory Bus

128bit

72.06GB/s

Bandwidth

80.19GB/s

Render Config

4

Compute Units

-

320

Shading Units

1024

16

TMUs

64

16

ROPs

32

-

L1 Cache

48 KB (per SMM)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

12.43 GPixel/s

Pixel Rate

38.50 GPixel/s

12.43 GTexel/s

Texture Rate

76.99 GTexel/s

-

497.3 GFLOPS

FP32 (float)

2.464 TFLOPS

99.46 GFLOPS

FP64 (double)

76.99 GFLOPS

Board Design

106W

TDP

Unknown

300 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

No outputs

1x 6-pin

Power Connectors

None

Graphics Processor

RV670

GPU Name

GM206S

RV670 XT (215-0708005)

GPU Variant

950 OEM

TeraScale

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.666 billion

Transistors

2.94 billion

192 mm²

Die Size

228 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (12_1)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

5.2

4.1

Shader Model

6.7

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