NVIDIA GeForce RTX 4070 GDDR6 vs AMD Radeon HD 6450

VS

NVIDIA GeForce RTX 4070 GDDR6

AMD Radeon HD 6450

We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 4070 GDDR6 and 512MB VRAM Radeon HD 6450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4070 GDDR6 's Advantages

Released 13 years and 4 months late

Boost Clock2475MHz

More VRAM (12GB vs 512GB)

Larger VRAM bandwidth (480.0GB/s vs 25.60GB/s)

5728 additional rendering cores

AMD Radeon HD 6450 's Advantages

Lower TDP (18W vs 200W)

Score

Benchmark

FP32 (float)

GeForce RTX 4070 GDDR6 +14475%

29.15 TFLOPS

Radeon HD 6450

0.2 TFLOPS

GeForce RTX 4070 GDDR6

VS

Radeon HD 6450

Graphics Card

Aug 2024

Release Date

Apr 2011

GeForce 40

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1920 MHz

Base Clock

-

2475 MHz

Boost Clock

-

2500 MHz

Memory Clock

800 MHz

Memory

12GB

Memory Size

512MB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

64bit

480.0GB/s

Bandwidth

25.60GB/s

Render Config

-

Compute Units

2

46

SM Count

-

5888

Shading Units

160

184

TMUs

8

64

ROPs

4

184

Tensor Cores

-

46

RT Cores

-

128 KB (per SM)

L1 Cache

8 KB (per CU)

36 MB

L2 Cache

128 KB

-

Theoretical Performance

158.4 GPixel/s

Pixel Rate

2.500 GPixel/s

455.4 GTexel/s

Texture Rate

5.000 GTexel/s

29.15 TFLOPS

FP16 (half)

-

29.15 TFLOPS

FP32 (float)

200.0 GFLOPS

455.4 GFLOPS

FP64 (double)

-

Board Design

200W

TDP

18W

550 W

Suggested PSU

200 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 16-pin

Power Connectors

None

Graphics Processor

AD104

GPU Name

Caicos

AD104-2XX-A1

GPU Variant

Caicos PRO

Ada Lovelace

Architecture

TeraScale 2

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

35.8 billion

Transistors

0.37 billion

294 mm²

Die Size

67 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

8.9

CUDA

-

6.8

Shader Model

5.0

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