ATI Radeon HD 4870 Mac Edition vs NVIDIA GeForce GTX 980

VS

ATI Radeon HD 4870 Mac Edition NVIDIA GeForce GTX 980

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4870 Mac Edition and 4GB VRAM GeForce GTX 980 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4870 Mac Edition 's Advantages

Lower TDP (150W vs 165W)

NVIDIA GeForce GTX 980 's Advantages

Released 5 years and 8 months late

Boost Clock1216MHz

Larger VRAM bandwidth (224.4GB/s vs 108.8GB/s)

1248 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 4870 Mac Edition

1.2 TFLOPS

GeForce GTX 980 +315%

4.981 TFLOPS

Radeon HD 4870 Mac Edition

VS

GeForce GTX 980

Graphics Card

Jan 2009

Release Date

Sep 2014

Radeon R700

Generation

GeForce 900

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1127 MHz

-

Boost Clock

1216 MHz

850 MHz

Memory Clock

1753 MHz

Memory

512MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

108.8GB/s

Bandwidth

224.4GB/s

Render Config

-

SM Count

-

10

Compute Units

-

800

Shading Units

2048

40

TMUs

128

16

ROPs

64

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

48 KB (per SMM)

256 KB

L2 Cache

2 MB

Theoretical Performance

12.00 GPixel/s

Pixel Rate

77.82 GPixel/s

30.00 GTexel/s

Texture Rate

155.6 GTexel/s

-

FP16 (half)

-

1200 GFLOPS

FP32 (float)

4.981 TFLOPS

240.0 GFLOPS

FP64 (double)

155.6 GFLOPS

Graphics Processor

RV770

GPU Name

GM204

RV770 XT Mac (215-0669080)

GPU Variant

GM204-400-A1

TeraScale

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.956 billion

Transistors

5.2 billion

256 mm²

Die Size

398 mm²

Board Design

150W

TDP

165W

450 W

Suggested PSU

450 W

1x DVI 1x mini-DisplayPort 1.0

Outputs

1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a

2x 6-pin

Power Connectors

2x 6-pin

Graphics Features

10.1 (10_1)

DirectX

12 (12_1)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

5.2

4.1

Shader Model

6.4

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