NVIDIA GeForce 8400 vs AMD Radeon RX Vega 64

VS

NVIDIA GeForce 8400

AMD Radeon RX Vega 64

We compared two Desktop platform GPUs: 256MB VRAM GeForce 8400 and 8GB VRAM Radeon RX Vega 64 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8400 's Advantages

Lower TDP (25W vs 295W)

AMD Radeon RX Vega 64 's Advantages

Released 9 years and 8 months late

Boost Clock1546MHz

More VRAM (8GB vs 256GB)

Larger VRAM bandwidth (483.8GB/s vs 8.000GB/s)

4088 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8400

0.021 TFLOPS

Radeon RX Vega 64 +60185%

12.66 TFLOPS

GeForce 8400

VS

Radeon RX Vega 64

Graphics Card

Dec 2007

Release Date

Aug 2017

GeForce 8

Generation

Vega

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1247 MHz

-

Boost Clock

1546 MHz

500 MHz

Memory Clock

945 MHz

Memory

256MB

Memory Size

8GB

DDR2

Memory Type

HBM2

64bit

Memory Bus

2048bit

8.000GB/s

Bandwidth

483.8GB/s

Render Config

-

Compute Units

64

1

SM Count

-

8

Shading Units

4096

4

TMUs

256

4

ROPs

64

-

L1 Cache

16 KB (per CU)

16 KB

L2 Cache

4 MB

-

Theoretical Performance

2.160 GPixel/s

Pixel Rate

98.94 GPixel/s

2.160 GTexel/s

Texture Rate

395.8 GTexel/s

-

FP16 (half)

25.33 TFLOPS

20.80 GFLOPS

FP32 (float)

12.66 TFLOPS

-

FP64 (double)

791.6 GFLOPS

Board Design

25W

TDP

295W

200 W

Suggested PSU

600 W

1x DVI 1x VGA 1x S-Video

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

None

Power Connectors

2x 8-pin

Graphics Processor

G98

GPU Name

Vega 10

-

GPU Variant

Vega 10 XT (215-0894200)

Tesla

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

65 nm

Process Size

14 nm

0.21 billion

Transistors

12.5 billion

86 mm²

Die Size

495 mm²

Graphics Features

11.1 (10_0)

DirectX

12 (12_1)

3.3

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.2

1.1

CUDA

-

4.0

Shader Model

6.4

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