NVIDIA GeForce GT 140 OEM vs ATI Radeon HD 3870 Mac Edition

VS

NVIDIA GeForce GT 140 OEM ATI Radeon HD 3870 Mac Edition

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 140 OEM and 512MB VRAM Radeon HD 3870 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 140 OEM 's Advantages

Released 9 months late

More VRAM (1024GB vs 512GB)

Lower TDP (105W vs 106W)

ATI Radeon HD 3870 Mac Edition 's Advantages

Larger VRAM bandwidth (72.06GB/s vs 57.60GB/s)

256 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 140 OEM

0.208 TFLOPS

Radeon HD 3870 Mac Edition +138%

0.497 TFLOPS

GeForce GT 140 OEM

VS

Radeon HD 3870 Mac Edition

Graphics Card

Mar 2009

Release Date

Jun 2008

GeForce 100

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

1126 MHz

Memory

1024MB

Memory Size

512MB

GDDR3

Memory Type

GDDR4

256bit

Memory Bus

256bit

57.60GB/s

Bandwidth

72.06GB/s

Render Config

8

SM Count

-

Compute Units

4

64

Shading Units

320

32

TMUs

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

L1 Cache

-

64 KB

L2 Cache

256 KB

Theoretical Performance

10.40 GPixel/s

Pixel Rate

12.43 GPixel/s

20.80 GTexel/s

Texture Rate

12.43 GTexel/s

-

FP16 (half)

-

208.0 GFLOPS

FP32 (float)

497.3 GFLOPS

-

FP64 (double)

99.46 GFLOPS

Graphics Processor

G94B

GPU Name

RV670

-

GPU Variant

RV670 XT (215-0708005)

Tesla

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

0.505 billion

Transistors

0.666 billion

196 mm²

Die Size

192 mm²

Board Design

105W

TDP

106W

300 W

Suggested PSU

300 W

2x DVI 1x S-Video

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

1x 6-pin

Graphics Features

11.1 (10_0)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3 (full) 4.0 (partial)

1.1

OpenCL

N/A

Vulkan

N/A

1.1

CUDA

-

4.0

Shader Model

4.1

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