ATI Radeon HD 3870 Mac Edition vs NVIDIA GeForce GTX 970

VS

ATI Radeon HD 3870 Mac Edition

NVIDIA GeForce GTX 970

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3870 Mac Edition and 4GB VRAM GeForce GTX 970 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3870 Mac Edition 's Advantages

Lower TDP (106W vs 148W)

NVIDIA GeForce GTX 970 's Advantages

Released 6 years and 3 months late

Boost Clock1178MHz

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (224.4GB/s vs 72.06GB/s)

1344 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3870 Mac Edition

0.497 TFLOPS

GeForce GTX 970 +688%

3.92 TFLOPS

Radeon HD 3870 Mac Edition

VS

GeForce GTX 970

Graphics Card

Jun 2008

Release Date

Sep 2014

Radeon R600

Generation

GeForce 900

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1050 MHz

-

Boost Clock

1178 MHz

1126 MHz

Memory Clock

1753 MHz

Memory

512MB

Memory Size

4GB

GDDR4

Memory Type

GDDR5

256bit

Memory Bus

256bit

72.06GB/s

Bandwidth

224.4GB/s

Render Config

4

Compute Units

-

320

Shading Units

1664

16

TMUs

104

16

ROPs

56

-

L1 Cache

48 KB (per SMM)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

12.43 GPixel/s

Pixel Rate

65.97 GPixel/s

12.43 GTexel/s

Texture Rate

122.5 GTexel/s

-

497.3 GFLOPS

FP32 (float)

3.920 TFLOPS

99.46 GFLOPS

FP64 (double)

122.5 GFLOPS

Board Design

106W

TDP

148W

300 W

Suggested PSU

300 W

2x DVI 1x S-Video

Outputs

1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

RV670

GPU Name

GM204

RV670 XT (215-0708005)

GPU Variant

GM204-200-A1

TeraScale

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.666 billion

Transistors

5.2 billion

192 mm²

Die Size

398 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

6.4

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