AMD Radeon HD 6870 X2 vs NVIDIA GeForce GT 120 OEM

VS

AMD Radeon HD 6870 X2 NVIDIA GeForce GT 120 OEM

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 X2 and 512MB VRAM GeForce GT 120 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

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (134.4GB/s vs 16.13GB/s)

1088 additional rendering cores

NVIDIA GeForce GT 120 OEM 's Advantages

Lower TDP (50W vs 300W)

Score

Benchmark

FP32 (float)

Radeon HD 6870 X2 +1608%

2.016 TFLOPS

GeForce GT 120 OEM

0.118 TFLOPS

Radeon HD 6870 X2

VS

GeForce GT 120 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

-

Base Clock

-

Boost Clock

-

1050 MHz

Memory Clock

504 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

128bit

134.4GB/s

Bandwidth

16.13GB/s

Render Config

-

SM Count

4

14

Compute Units

-

1120

Shading Units

32

56

TMUs

16

32

ROPs

8

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

32 KB

Theoretical Performance

28.80 GPixel/s

Pixel Rate

5.904 GPixel/s

50.40 GTexel/s

Texture Rate

11.81 GTexel/s

-

FP16 (half)

-

2.016 TFLOPS

FP32 (float)

117.5 GFLOPS

-

FP64 (double)

-

Graphics Processor

Barts

GPU Name

G96C

Barts XT (215-0798000)

GPU Variant

-

TeraScale 2

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.7 billion

Transistors

0.314 billion

255 mm²

Die Size

121 mm²

Board Design

300W

TDP

50W

700 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x VGA 1x S-Video

-

Power Connectors

None

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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