NVIDIA GeForce GTX 970 vs AMD Radeon R9 270 1024SP

VS

NVIDIA GeForce GTX 970 AMD Radeon R9 270 1024SP

We compared two Desktop platform GPUs: 4GB VRAM GeForce GTX 970 and 2GB VRAM Radeon R9 270 1024SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 970 's Advantages

Boost Clock has increased by 27% (1178MHz vs 925MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (224.4GB/s vs 153.6GB/s)

640 additional rendering cores

Lower TDP (148W vs 150W)

AMD Radeon R9 270 1024SP 's Advantages

Released 6 months late

Score

Benchmark

FP32 (float)

GeForce GTX 970 +106%

3.92 TFLOPS

Radeon R9 270 1024SP

1.894 TFLOPS

GeForce GTX 970

VS

Radeon R9 270 1024SP

Graphics Card

Sep 2014

Release Date

Mar 2015

GeForce 900

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1050 MHz

Base Clock

900 MHz

1178 MHz

Boost Clock

925 MHz

1753 MHz

Memory Clock

1200 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

224.4GB/s

Bandwidth

153.6GB/s

Render Config

-

SM Count

-

Compute Units

16

1664

Shading Units

1024

104

TMUs

64

56

ROPs

32

-

Tensor Cores

-

RT Cores

-

48 KB (per SMM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

512 KB

Theoretical Performance

65.97 GPixel/s

Pixel Rate

29.60 GPixel/s

122.5 GTexel/s

Texture Rate

59.20 GTexel/s

-

FP16 (half)

-

3.920 TFLOPS

FP32 (float)

1.894 TFLOPS

122.5 GFLOPS

FP64 (double)

118.4 GFLOPS

Graphics Processor

GM204

GPU Name

Pitcairn

GM204-200-A1

GPU Variant

Pitcairn PRO (215-0828062)

Maxwell 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5.2 billion

Transistors

2.8 billion

398 mm²

Die Size

212 mm²

Board Design

148W

TDP

150W

300 W

Suggested PSU

450 W

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

Outputs

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

2x 6-pin

Power Connectors

1x 6-pin

Graphics Features

12 (12_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.3

Vulkan

1.2

5.2

CUDA

-

6.4

Shader Model

5.1

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