NVIDIA GeForce GTX 970 vs ATI Radeon HD 4450

VS

NVIDIA GeForce GTX 970

ATI Radeon HD 4450

We compared two Desktop platform GPUs: 4GB VRAM GeForce GTX 970 and 512MB VRAM Radeon HD 4450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 970 's Advantages

Released 2 years and 10 months late

Boost Clock1178MHz

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (224.4GB/s vs 6.400GB/s)

1584 additional rendering cores

ATI Radeon HD 4450 's Advantages

Lower TDP (25W vs 148W)

Score

Benchmark

FP32 (float)

GeForce GTX 970 +3983%

3.92 TFLOPS

Radeon HD 4450

0.096 TFLOPS

GeForce GTX 970

VS

Radeon HD 4450

Graphics Card

Sep 2014

Release Date

Nov 2011

GeForce 900

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1050 MHz

Base Clock

-

1178 MHz

Boost Clock

-

1753 MHz

Memory Clock

400 MHz

Memory

4GB

Memory Size

512MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

64bit

224.4GB/s

Bandwidth

6.400GB/s

Render Config

-

Compute Units

1

-

1664

Shading Units

80

104

TMUs

8

56

ROPs

4

-

48 KB (per SMM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

64 KB

-

Theoretical Performance

65.97 GPixel/s

Pixel Rate

2.400 GPixel/s

122.5 GTexel/s

Texture Rate

4.800 GTexel/s

-

3.920 TFLOPS

FP32 (float)

96.00 GFLOPS

122.5 GFLOPS

FP64 (double)

-

Board Design

148W

TDP

25W

300 W

Suggested PSU

200 W

1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.3a 1x DisplayPort 1.0

2x 6-pin

Power Connectors

None

Graphics Processor

GM204

GPU Name

RV710

GM204-200-A1

GPU Variant

RV710 (215-0725016)

Maxwell 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

5.2 billion

Transistors

0.242 billion

398 mm²

Die Size

73 mm²

Graphics Features

12 (12_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

1.3

Vulkan

N/A

5.2

CUDA

-

6.4

Shader Model

4.1

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