AMD Radeon R9 290X vs ATI Radeon HD 2900 XT

VS

AMD Radeon R9 290X

ATI Radeon HD 2900 XT

We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 290X and 512MB VRAM Radeon HD 2900 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 290X 's Advantages

Released 6 years and 5 months late

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (320.0GB/s vs 106.0GB/s)

2496 additional rendering cores

ATI Radeon HD 2900 XT 's Advantages

Lower TDP (215W vs 290W)

Score

Benchmark

FP32 (float)

Radeon R9 290X +1083%

5.632 TFLOPS

Radeon HD 2900 XT

0.476 TFLOPS

Radeon R9 290X

VS

Radeon HD 2900 XT

Graphics Card

Oct 2013

Release Date

May 2007

Volcanic Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

828 MHz

Memory

4GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

512bit

Memory Bus

512bit

320.0GB/s

Bandwidth

106.0GB/s

Render Config

44

Compute Units

4

-

2816

Shading Units

320

176

TMUs

16

64

ROPs

16

-

16 KB (per CU)

L1 Cache

-

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

64.00 GPixel/s

Pixel Rate

11.89 GPixel/s

176.0 GTexel/s

Texture Rate

11.89 GTexel/s

-

5.632 TFLOPS

FP32 (float)

475.5 GFLOPS

704.0 GFLOPS

FP64 (double)

-

Board Design

290W

TDP

215W

600 W

Suggested PSU

550 W

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

Outputs

2x DVI 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Hawaii

GPU Name

R600

Hawaii XT (215-0852000)

GPU Variant

R600 XT (215RGMDKA13FG)

GCN 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

6.2 billion

Transistors

0.72 billion

438 mm²

Die Size

420 mm²

Graphics Features

12 (12_0)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3 (full) 4.0 (partial)

2.0

OpenCL

N/A

1.2

Vulkan

N/A

-

6.3

Shader Model

4.0

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