AMD Radeon RX Vega 64 vs AMD Radeon R9 280X2

VS

AMD Radeon RX Vega 64

AMD Radeon R9 280X2

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX Vega 64 and 3GB VRAM Radeon R9 280X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX Vega 64 's Advantages

Boost Clock has increased by 55% (1546MHz vs 1000MHz)

More VRAM (8GB vs 3GB)

Larger VRAM bandwidth (483.8GB/s vs 288.0GB/s)

2048 additional rendering cores

Lower TDP (295W vs 375W)

Score

Benchmark

FP32 (float)

Radeon RX Vega 64 +209%

12.66 TFLOPS

Radeon R9 280X2

4.096 TFLOPS

Radeon RX Vega 64

VS

Radeon R9 280X2

Graphics Card

Aug 2017

Release Date

Unknown

Vega

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1247 MHz

Base Clock

950 MHz

1546 MHz

Boost Clock

1000 MHz

945 MHz

Memory Clock

1500 MHz

Memory

8GB

Memory Size

3GB

HBM2

Memory Type

GDDR5

2048bit

Memory Bus

384bit

483.8GB/s

Bandwidth

288.0GB/s

Render Config

64

Compute Units

32

-

4096

Shading Units

2048

256

TMUs

128

64

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

768 KB

-

Theoretical Performance

98.94 GPixel/s

Pixel Rate

32.00 GPixel/s

395.8 GTexel/s

Texture Rate

128.0 GTexel/s

25.33 TFLOPS

FP16 (half)

-

12.66 TFLOPS

FP32 (float)

4.096 TFLOPS

791.6 GFLOPS

FP64 (double)

1024 GFLOPS

Board Design

295W

TDP

375W

600 W

Suggested PSU

750 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

6x mini-DisplayPort 1.2

2x 8-pin

Power Connectors

3x 8-pin

Graphics Processor

Vega 10

GPU Name

Tahiti

Vega 10 XT (215-0894200)

GPU Variant

Tahiti XTL (215-0821065)

GCN 5.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

12.5 billion

Transistors

4.313 billion

495 mm²

Die Size

352 mm²

Graphics Features

12 (12_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

Vulkan

1.2

-

6.4

Shader Model

5.1

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