AMD Radeon RX Vega 64 vs AMD Radeon HD 6450 OEM

VS

AMD Radeon RX Vega 64 AMD Radeon HD 6450 OEM

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX Vega 64 and 512MB VRAM Radeon HD 6450 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX Vega 64 's Advantages

Released 6 years and 6 months late

Boost Clock1546MHz

Larger VRAM bandwidth (483.8GB/s vs 8.528GB/s)

3936 additional rendering cores

AMD Radeon HD 6450 OEM 's Advantages

Lower TDP (18W vs 295W)

Score

Benchmark

FP32 (float)

Radeon RX Vega 64 +6230%

12.66 TFLOPS

Radeon HD 6450 OEM

0.2 TFLOPS

Radeon RX Vega 64

VS

Radeon HD 6450 OEM

Graphics Card

Aug 2017

Release Date

Feb 2011

Vega

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1247 MHz

Base Clock

-

1546 MHz

Boost Clock

-

945 MHz

Memory Clock

533 MHz

Memory

8GB

Memory Size

512MB

HBM2

Memory Type

GDDR3

2048bit

Memory Bus

64bit

483.8GB/s

Bandwidth

8.528GB/s

Render Config

-

SM Count

-

64

Compute Units

2

4096

Shading Units

160

256

TMUs

8

64

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

4 MB

L2 Cache

128 KB

Theoretical Performance

98.94 GPixel/s

Pixel Rate

2.500 GPixel/s

395.8 GTexel/s

Texture Rate

5.000 GTexel/s

25.33 TFLOPS

FP16 (half)

-

12.66 TFLOPS

FP32 (float)

200.0 GFLOPS

791.6 GFLOPS

FP64 (double)

-

Graphics Processor

Vega 10

GPU Name

Caicos

Vega 10 XT (215-0894200)

GPU Variant

Junbonator

GCN 5.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

12.5 billion

Transistors

0.37 billion

495 mm²

Die Size

67 mm²

Board Design

295W

TDP

18W

600 W

Suggested PSU

200 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 8-pin

Power Connectors

None

Graphics Features

12 (12_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

6.4

Shader Model

5.0

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