ATI Radeon HD 2900 XT vs NVIDIA GeForce GTX 970

VS

ATI Radeon HD 2900 XT

NVIDIA GeForce GTX 970

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 XT 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 7 years and 4 months late

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 215W)

Score

Benchmark

FP32 (float)

Radeon HD 2900 XT

0.476 TFLOPS

GeForce GTX 970 +723%

3.92 TFLOPS

Radeon HD 2900 XT

VS

GeForce GTX 970

Graphics Card

May 2007

Release Date

Sep 2014

Radeon R600

Generation

GeForce 900

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1050 MHz

-

Boost Clock

1178 MHz

828 MHz

Memory Clock

1753 MHz

Memory

512MB

Memory Size

4GB

GDDR3

Memory Type

GDDR5

512bit

Memory Bus

256bit

106.0GB/s

Bandwidth

224.4GB/s

Render Config

4

Compute Units

-

320

Shading Units

1664

16

TMUs

104

16

ROPs

56

-

L1 Cache

48 KB (per SMM)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

11.89 GPixel/s

Pixel Rate

65.97 GPixel/s

11.89 GTexel/s

Texture Rate

122.5 GTexel/s

-

475.5 GFLOPS

FP32 (float)

3.920 TFLOPS

-

FP64 (double)

122.5 GFLOPS

Board Design

215W

TDP

148W

550 W

Suggested PSU

300 W

2x DVI 1x S-Video

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

R600

GPU Name

GM204

R600 XT (215RGMDKA13FG)

GPU Variant

GM204-200-A1

TeraScale

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

80 nm

Process Size

28 nm

0.72 billion

Transistors

5.2 billion

420 mm²

Die Size

398 mm²

Graphics Features

10.0 (10_0)

DirectX

12 (12_1)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

5.2

4.0

Shader Model

6.4

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