NVIDIA GeForce GTX 970 vs ATI Radeon HD 3870 X2

VS

NVIDIA GeForce GTX 970 ATI Radeon HD 3870 X2

We compared two Desktop platform GPUs: 4GB VRAM GeForce GTX 970 and 512MB VRAM Radeon HD 3870 X2 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 8 months late

Boost Clock1178MHz

Larger VRAM bandwidth (224.4GB/s vs 57.66GB/s)

1344 additional rendering cores

Lower TDP (148W vs 165W)

Score

Benchmark

FP32 (float)

GeForce GTX 970 +642%

3.92 TFLOPS

Radeon HD 3870 X2

0.528 TFLOPS

GeForce GTX 970

VS

Radeon HD 3870 X2

Graphics Card

Sep 2014

Release Date

Jan 2008

GeForce 900

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1050 MHz

Base Clock

-

1178 MHz

Boost Clock

-

1753 MHz

Memory Clock

901 MHz

Memory

4GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

224.4GB/s

Bandwidth

57.66GB/s

Render Config

-

SM Count

-

Compute Units

4

1664

Shading Units

320

104

TMUs

16

56

ROPs

16

-

Tensor Cores

-

RT Cores

-

48 KB (per SMM)

L1 Cache

-

2 MB

L2 Cache

256 KB

Theoretical Performance

65.97 GPixel/s

Pixel Rate

13.20 GPixel/s

122.5 GTexel/s

Texture Rate

13.20 GTexel/s

-

FP16 (half)

-

3.920 TFLOPS

FP32 (float)

528.0 GFLOPS

122.5 GFLOPS

FP64 (double)

105.6 GFLOPS

Graphics Processor

GM204

GPU Name

R680

GM204-200-A1

GPU Variant

R680 XT (215-0708017)

Maxwell 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

5.2 billion

Transistors

0.666 billion

398 mm²

Die Size

192 mm²

Board Design

148W

TDP

165W

300 W

Suggested PSU

450 W

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

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Features

12 (12_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3 (full) 4.0 (partial)

3.0

OpenCL

N/A

1.3

Vulkan

N/A

5.2

CUDA

-

6.4

Shader Model

4.1

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