AMD Radeon HD 8870 OEM vs NVIDIA GeForce GT 120 Mac Edition

VS

AMD Radeon HD 8870 OEM

NVIDIA GeForce GT 120 Mac Edition

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 8870 OEM and 512MB VRAM GeForce GT 120 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8870 OEM 's Advantages

Released 4 years late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (153.6GB/s vs 25.60GB/s)

1248 additional rendering cores

NVIDIA GeForce GT 120 Mac Edition 's Advantages

Lower TDP (50W vs 175W)

Score

Benchmark

FP32 (float)

Radeon HD 8870 OEM +2744%

2.56 TFLOPS

GeForce GT 120 Mac Edition

0.09 TFLOPS

Radeon HD 8870 OEM

VS

GeForce GT 120 Mac Edition

Graphics Card

Jan 2013

Release Date

Jan 2009

Sea Islands

Generation

GeForce 100

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

153.6GB/s

Bandwidth

25.60GB/s

Render Config

20

Compute Units

-

SM Count

4

1280

Shading Units

32

80

TMUs

16

32

ROPs

8

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

32 KB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

4.400 GPixel/s

80.00 GTexel/s

Texture Rate

8.800 GTexel/s

-

2.560 TFLOPS

FP32 (float)

89.60 GFLOPS

160.0 GFLOPS

FP64 (double)

-

Board Design

175W

TDP

50W

450 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

Outputs

1x DVI 1x mini-DisplayPort

2x 6-pin

Power Connectors

None

Graphics Processor

Pitcairn

GPU Name

G96C

Pitcairn XT (215-0828047)

GPU Variant

-

GCN 1.0

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

2.8 billion

Transistors

0.314 billion

212 mm²

Die Size

121 mm²

Graphics Features

12 (11_1)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

1.1

5.1

Shader Model

4.0

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