AMD Radeon HD 6870 X2 vs NVIDIA GeForce GT 140 OEM

VS

AMD Radeon HD 6870 X2

NVIDIA GeForce GT 140 OEM

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 X2 and 1024MB VRAM GeForce GT 140 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870 X2 's Advantages

Released 2 years and 4 months late

Larger VRAM bandwidth (134.4GB/s vs 57.60GB/s)

1056 additional rendering cores

NVIDIA GeForce GT 140 OEM 's Advantages

Lower TDP (105W vs 300W)

Score

Benchmark

FP32 (float)

Radeon HD 6870 X2 +869%

2.016 TFLOPS

GeForce GT 140 OEM

0.208 TFLOPS

Radeon HD 6870 X2

VS

GeForce GT 140 OEM

Graphics Card

Jul 2011

Release Date

Mar 2009

Northern Islands

Generation

GeForce 100

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1050 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

134.4GB/s

Bandwidth

57.60GB/s

Render Config

14

Compute Units

-

SM Count

8

1120

Shading Units

64

56

TMUs

32

ROPs

16

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

64 KB

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

10.40 GPixel/s

50.40 GTexel/s

Texture Rate

20.80 GTexel/s

-

2.016 TFLOPS

FP32 (float)

208.0 GFLOPS

-

Board Design

300W

TDP

105W

700 W

Suggested PSU

300 W

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

Outputs

2x DVI 1x S-Video

-

Power Connectors

1x 6-pin

Graphics Processor

Barts

GPU Name

G94B

Barts XT (215-0798000)

GPU Variant

-

TeraScale 2

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.7 billion

Transistors

0.505 billion

255 mm²

Die Size

196 mm²

Graphics Features

11.2 (11_0)

DirectX

11.1 (10_0)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.1

5.0

Shader Model

4.0

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