ATI Radeon HD 4870 vs NVIDIA GeForce GTX 970

VS

ATI Radeon HD 4870

NVIDIA GeForce GTX 970

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4870 and 4GB VRAM GeForce GTX 970 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 970 's Advantages

Released 6 years and 3 months late

Boost Clock1178MHz

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (224.4GB/s vs 115.2GB/s)

864 additional rendering cores

Lower TDP (148W vs 150W)

Score

Benchmark

FP32 (float)

Radeon HD 4870

1.2 TFLOPS

GeForce GTX 970 +226%

3.92 TFLOPS

Radeon HD 4870

VS

GeForce GTX 970

Graphics Card

Jun 2008

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

1050 MHz

-

Boost Clock

1178 MHz

900 MHz

Memory Clock

1753 MHz

Memory

512MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

115.2GB/s

Bandwidth

224.4GB/s

Render Config

10

Compute Units

-

800

Shading Units

1664

40

TMUs

104

16

ROPs

56

-

16 KB (per CU)

L1 Cache

48 KB (per SMM)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

65.97 GPixel/s

30.00 GTexel/s

Texture Rate

122.5 GTexel/s

-

1200 GFLOPS

FP32 (float)

3.920 TFLOPS

240.0 GFLOPS

FP64 (double)

122.5 GFLOPS

Board Design

150W

TDP

148W

450 W

Suggested PSU

300 W

2x DVI 1x S-Video

Outputs

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

2x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

RV770

GPU Name

GM204

RV770 XT (215-0669049)

GPU Variant

GM204-200-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

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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