AMD Radeon HD 7870 XT vs AMD Radeon Vega Frontier Edition Watercooled

VS

AMD Radeon HD 7870 XT

AMD Radeon Vega Frontier Edition Watercooled

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 XT and 16GB VRAM Radeon Vega Frontier Edition Watercooled to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7870 XT 's Advantages

Lower TDP (185W vs 375W)

AMD Radeon Vega Frontier Edition Watercooled 's Advantages

Released 4 years and 8 months late

Boost Clock has increased by 64% (1600MHz vs 975MHz)

More VRAM (16GB vs 2GB)

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

2560 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7870 XT

2.995 TFLOPS

Radeon Vega Frontier Edition Watercooled +337%

13.11 TFLOPS

Radeon HD 7870 XT

VS

Radeon Vega Frontier Edition Watercooled

Graphics Card

Nov 2012

Release Date

Jul 2017

Southern Islands

Generation

Radeon Pro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

925 MHz

Base Clock

1382 MHz

975 MHz

Boost Clock

1600 MHz

1500 MHz

Memory Clock

945 MHz

Memory

2GB

Memory Size

16GB

GDDR5

Memory Type

HBM2

256bit

Memory Bus

2048bit

192.0GB/s

Bandwidth

483.8GB/s

Render Config

24

Compute Units

64

-

1536

Shading Units

4096

96

TMUs

256

32

ROPs

64

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

4 MB

-

Theoretical Performance

31.20 GPixel/s

Pixel Rate

102.4 GPixel/s

93.60 GTexel/s

Texture Rate

409.6 GTexel/s

-

FP16 (half)

26.21 TFLOPS

2.995 TFLOPS

FP32 (float)

13.11 TFLOPS

748.8 GFLOPS

FP64 (double)

819.2 GFLOPS

Board Design

185W

TDP

375W

450 W

Suggested PSU

750 W

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

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

2x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

Tahiti

GPU Name

Vega 10

Tahiti LE (215-0821122)

GPU Variant

Vega 10 XTX LCS

GCN 1.0

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

4.313 billion

Transistors

12.5 billion

352 mm²

Die Size

495 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2

-

5.1

Shader Model

6.4

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