ATI Radeon HD 4870 vs AMD Radeon Pro V420

VS

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4870 and 32GB VRAM AMD Radeon Pro V420 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4870 's Advantages

Lower TDP (150W vs 300W)

AMD Radeon Pro V420 's Advantages

Boost Clock1700MHz

Larger VRAM bandwidth (819.2GB/s vs 115.2GB/s)

3296 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 4870

1.2 TFLOPS

AMD Radeon Pro V420 +1060%

13.93 TFLOPS

Radeon HD 4870

VS

AMD Radeon Pro V420

Graphics Card

Jun 2008

Release Date

Unknown

Radeon R700

Generation

Radeon Pro Vega

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

800 MHz

-

Boost Clock

1700 MHz

900 MHz

Memory Clock

800 MHz

Memory

512MB

Memory Size

32GB

GDDR5

Memory Type

HBM2

256bit

Memory Bus

4096bit

115.2GB/s

Bandwidth

819.2GB/s

Render Config

-

SM Count

-

10

Compute Units

64

800

Shading Units

4096

40

TMUs

256

16

ROPs

64

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

4 MB

Theoretical Performance

12.00 GPixel/s

Pixel Rate

108.8 GPixel/s

30.00 GTexel/s

Texture Rate

435.2 GTexel/s

-

FP16 (half)

27.85 TFLOPS

1200 GFLOPS

FP32 (float)

13.93 TFLOPS

240.0 GFLOPS

FP64 (double)

6.963 TFLOPS

Graphics Processor

RV770

GPU Name

Vega 20

RV770 XT (215-0669049)

GPU Variant

Vega 20 GLXT WS (215-0914026)

TeraScale

Architecture

GCN 5.1

TSMC

Foundry

TSMC

55 nm

Process Size

7 nm

0.956 billion

Transistors

13.23 billion

256 mm²

Die Size

331 mm²

Board Design

150W

TDP

300W

450 W

Suggested PSU

700 W

2x DVI 1x S-Video

Outputs

6x mini-DisplayPort 1.4a

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Features

10.1 (10_1)

DirectX

12 (12_1)

3.3

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.3

-

CUDA

-

4.1

Shader Model

6.7

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