NVIDIA GeForce GTX 770 vs AMD Radeon HD 6450 OEM

VS

NVIDIA GeForce GTX 770

AMD Radeon HD 6450 OEM

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 770 and 512MB VRAM Radeon HD 6450 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 770 's Advantages

Released 2 years and 3 months late

Boost Clock1085MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (224.4GB/s vs 8.528GB/s)

1376 additional rendering cores

AMD Radeon HD 6450 OEM 's Advantages

Lower TDP (18W vs 230W)

Score

Benchmark

FP32 (float)

GeForce GTX 770 +1566%

3.333 TFLOPS

Radeon HD 6450 OEM

0.2 TFLOPS

GeForce GTX 770

VS

Radeon HD 6450 OEM

Graphics Card

May 2013

Release Date

Feb 2011

GeForce 700

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1046 MHz

Base Clock

-

1085 MHz

Boost Clock

-

1753 MHz

Memory Clock

533 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

64bit

224.4GB/s

Bandwidth

8.528GB/s

Render Config

-

Compute Units

2

-

1536

Shading Units

160

128

TMUs

8

32

ROPs

4

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

34.72 GPixel/s

Pixel Rate

2.500 GPixel/s

138.9 GTexel/s

Texture Rate

5.000 GTexel/s

-

3.333 TFLOPS

FP32 (float)

200.0 GFLOPS

138.9 GFLOPS

FP64 (double)

-

Board Design

230W

TDP

18W

550 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

GK104

GPU Name

Caicos

GK104-425-A2

GPU Variant

Junbonator

Kepler

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

3.54 billion

Transistors

0.37 billion

294 mm²

Die Size

67 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

5.0

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