NVIDIA GeForce GTS 450 OEM vs AMD Radeon HD 7770 GHz Edition

VS

NVIDIA GeForce GTS 450 OEM

AMD Radeon HD 7770 GHz Edition

We compared two Desktop platform GPUs: 512MB VRAM GeForce GTS 450 OEM and 1024MB VRAM Radeon HD 7770 GHz 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 1 years and 5 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (72.00GB/s vs 57.73GB/s)

496 additional rendering cores

Lower TDP (80W vs 106W)

Score

Benchmark

FP32 (float)

GeForce GTS 450 OEM

0.451 TFLOPS

Radeon HD 7770 GHz Edition +183%

1.28 TFLOPS

GeForce GTS 450 OEM

VS

Radeon HD 7770 GHz Edition

Graphics Card

Sep 2010

Release Date

Feb 2012

GeForce 400

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

902 MHz

Memory Clock

1125 MHz

Memory

512MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

57.73GB/s

Bandwidth

72.00GB/s

Render Config

-

Compute Units

10

3

SM Count

-

144

Shading Units

640

24

TMUs

40

16

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

4.698 GPixel/s

Pixel Rate

16.00 GPixel/s

18.79 GTexel/s

Texture Rate

40.00 GTexel/s

-

451.0 GFLOPS

FP32 (float)

1280 GFLOPS

37.58 GFLOPS

FP64 (double)

80.00 GFLOPS

Board Design

106W

TDP

80W

300 W

Suggested PSU

250 W

1x DVI 1x DisplayPort 1x VGA

Outputs

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

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

GF106

GPU Name

Cape Verde

-

GPU Variant

Cape Verde XT

Fermi

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.17 billion

Transistors

1.5 billion

238 mm²

Die Size

123 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

2.1

CUDA

-

5.1

Shader Model

5.1

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