NVIDIA GeForce GTX 970 vs ATI Radeon HD 2900 XTX

VS

NVIDIA GeForce GTX 970

ATI Radeon HD 2900 XTX

We compared two Desktop platform GPUs: 4GB VRAM GeForce GTX 970 and 512MB VRAM Radeon HD 2900 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 970 's Advantages

Boost Clock1178MHz

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (224.4GB/s vs 106.0GB/s)

1344 additional rendering cores

Lower TDP (148W vs 240W)

Score

Benchmark

FP32 (float)

GeForce GTX 970 +723%

3.92 TFLOPS

Radeon HD 2900 XTX

0.476 TFLOPS

GeForce GTX 970

VS

Radeon HD 2900 XTX

Graphics Card

Sep 2014

Release Date

Unknown

GeForce 900

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

1050 MHz

Base Clock

-

1178 MHz

Boost Clock

-

1753 MHz

Memory Clock

828 MHz

Memory

4GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

512bit

224.4GB/s

Bandwidth

106.0GB/s

Render Config

-

Compute Units

4

-

1664

Shading Units

320

104

TMUs

16

56

ROPs

16

-

48 KB (per SMM)

L1 Cache

-

2 MB

L2 Cache

256 KB

-

Theoretical Performance

65.97 GPixel/s

Pixel Rate

11.89 GPixel/s

122.5 GTexel/s

Texture Rate

11.89 GTexel/s

-

3.920 TFLOPS

FP32 (float)

475.5 GFLOPS

122.5 GFLOPS

FP64 (double)

-

Board Design

148W

TDP

240W

300 W

Suggested PSU

550 W

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

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

GM204

GPU Name

R600

GM204-200-A1

GPU Variant

R600 XTX A11 (215RGMDKA11FG)

Maxwell 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

5.2 billion

Transistors

0.72 billion

398 mm²

Die Size

420 mm²

Graphics Features

12 (12_1)

DirectX

10.0 (10_0)

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

4.0

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