ATI Radeon HD 4870 Mac Edition vs NVIDIA RTX A1000

VS

ATI Radeon HD 4870 Mac Edition

NVIDIA RTX A1000

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4870 Mac Edition and 8GB VRAM RTX A1000 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A1000 's Advantages

Released 15 years and 3 months late

Boost Clock1462MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (192.0GB/s vs 108.8GB/s)

1504 additional rendering cores

Lower TDP (50W vs 150W)

Score

Benchmark

FP32 (float)

Radeon HD 4870 Mac Edition

1.2 TFLOPS

RTX A1000 +461%

6.737 TFLOPS

Radeon HD 4870 Mac Edition

VS

RTX A1000

Graphics Card

Jan 2009

Release Date

Apr 2024

Radeon R700

Generation

Quadro Ampere

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

727 MHz

-

Boost Clock

1462 MHz

850 MHz

Memory Clock

1500 MHz

Memory

512MB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

128bit

108.8GB/s

Bandwidth

192.0GB/s

Render Config

10

Compute Units

-

SM Count

18

800

Shading Units

2304

40

TMUs

72

16

ROPs

32

-

Tensor Cores

72

-

RT Cores

18

16 KB (per CU)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

46.78 GPixel/s

30.00 GTexel/s

Texture Rate

105.3 GTexel/s

-

FP16 (half)

6.737 TFLOPS

1200 GFLOPS

FP32 (float)

6.737 TFLOPS

240.0 GFLOPS

FP64 (double)

105.3 GFLOPS

Board Design

150W

TDP

50W

450 W

Suggested PSU

250 W

1x DVI 1x mini-DisplayPort 1.0

Outputs

4x mini-DisplayPort 1.4a

2x 6-pin

Power Connectors

None

Graphics Processor

RV770

GPU Name

GA107

RV770 XT Mac (215-0669080)

GPU Variant

-

TeraScale

Architecture

Ampere

TSMC

Foundry

Samsung

55 nm

Process Size

8 nm

0.956 billion

Transistors

8.7 billion

256 mm²

Die Size

200 mm²

Graphics Features

10.1 (10_1)

DirectX

12 Ultimate (12_2)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

8.6

4.1

Shader Model

6.7

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