AMD Radeon RX Vega 64 Liquid Cooling vs AMD Radeon HD 7870 XT

VS

AMD Radeon RX Vega 64 Liquid Cooling AMD Radeon HD 7870 XT

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX Vega 64 Liquid Cooling and 2GB VRAM Radeon HD 7870 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX Vega 64 Liquid Cooling 's Advantages

Released 4 years and 9 months late

Boost Clock has increased by 72% (1677MHz vs 975MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (483.8GB/s vs 192.0GB/s)

2560 additional rendering cores

AMD Radeon HD 7870 XT 's Advantages

Lower TDP (185W vs 345W)

Score

Benchmark

FP32 (float)

Radeon RX Vega 64 Liquid Cooling +358%

13.74 TFLOPS

Radeon HD 7870 XT

2.995 TFLOPS

Radeon RX Vega 64 Liquid Cooling

VS

Radeon HD 7870 XT

Graphics Card

Aug 2017

Release Date

Nov 2012

Vega

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1406 MHz

Base Clock

925 MHz

1677 MHz

Boost Clock

975 MHz

945 MHz

Memory Clock

1500 MHz

Memory

8GB

Memory Size

2GB

HBM2

Memory Type

GDDR5

2048bit

Memory Bus

256bit

483.8GB/s

Bandwidth

192.0GB/s

Render Config

-

SM Count

-

64

Compute Units

24

4096

Shading Units

1536

256

TMUs

96

64

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

512 KB

Theoretical Performance

107.3 GPixel/s

Pixel Rate

31.20 GPixel/s

429.3 GTexel/s

Texture Rate

93.60 GTexel/s

27.48 TFLOPS

FP16 (half)

-

13.74 TFLOPS

FP32 (float)

2.995 TFLOPS

858.6 GFLOPS

FP64 (double)

748.8 GFLOPS

Graphics Processor

Vega 10

GPU Name

Tahiti

Vega 10 XTX

GPU Variant

Tahiti LE (215-0821122)

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

Board Design

345W

TDP

185W

700 W

Suggested PSU

450 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

2x 8-pin

Power Connectors

2x 6-pin

Graphics Features

12 (12_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

Vulkan

1.2

-

CUDA

-

6.4

Shader Model

5.1

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