AMD Radeon HD 7770 GHz Edition vs NVIDIA GeForce GT 120 Mac Edition

VS

AMD Radeon HD 7770 GHz Edition

NVIDIA GeForce GT 120 Mac Edition

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7770 GHz Edition 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 7770 GHz Edition 's Advantages

Released 3 years and 1 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (72.00GB/s vs 25.60GB/s)

608 additional rendering cores

NVIDIA GeForce GT 120 Mac Edition 's Advantages

Lower TDP (50W vs 80W)

Score

Benchmark

FP32 (float)

Radeon HD 7770 GHz Edition +1322%

1.28 TFLOPS

GeForce GT 120 Mac Edition

0.09 TFLOPS

Radeon HD 7770 GHz Edition

VS

GeForce GT 120 Mac Edition

Graphics Card

Feb 2012

Release Date

Jan 2009

Southern Islands

Generation

GeForce 100

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1125 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

72.00GB/s

Bandwidth

25.60GB/s

Render Config

10

Compute Units

-

SM Count

4

640

Shading Units

32

40

TMUs

16

ROPs

8

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

32 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

4.400 GPixel/s

40.00 GTexel/s

Texture Rate

8.800 GTexel/s

-

1280 GFLOPS

FP32 (float)

89.60 GFLOPS

80.00 GFLOPS

FP64 (double)

-

Board Design

80W

TDP

50W

250 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x mini-DisplayPort

1x 6-pin

Power Connectors

None

Graphics Processor

Cape Verde

GPU Name

G96C

Cape Verde XT

GPU Variant

-

GCN 1.0

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

1.5 billion

Transistors

0.314 billion

123 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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