AMD Radeon R9 290X2 vs AMD Radeon HD 6990

VS

AMD Radeon R9 290X2

AMD Radeon HD 6990

We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 290X2 and 2GB VRAM Radeon HD 6990 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 290X2 's Advantages

Released 3 years and 3 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (345.6GB/s vs 160.0GB/s)

1280 additional rendering cores

AMD Radeon HD 6990 's Advantages

Lower TDP (375W vs 580W)

Score

Benchmark

FP32 (float)

Radeon R9 290X2 +120%

5.632 TFLOPS

Radeon HD 6990

2.55 TFLOPS

Radeon R9 290X2

VS

Radeon HD 6990

Graphics Card

Jun 2014

Release Date

Mar 2011

Volcanic Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1350 MHz

Memory Clock

1250 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

512bit

Memory Bus

256bit

345.6GB/s

Bandwidth

160.0GB/s

Render Config

44

Compute Units

24

-

2816

Shading Units

1536

176

TMUs

96

64

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

512 KB

-

Theoretical Performance

64.00 GPixel/s

Pixel Rate

26.56 GPixel/s

176.0 GTexel/s

Texture Rate

79.68 GTexel/s

-

5.632 TFLOPS

FP32 (float)

2.550 TFLOPS

704.0 GFLOPS

FP64 (double)

637.4 GFLOPS

Board Design

580W

TDP

375W

950 W

Suggested PSU

750 W

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

Outputs

1x DVI 4x mini-DisplayPort 1.2

4x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Hawaii

GPU Name

Antilles

Hawaii XT (215-0852000)

GPU Variant

Antilles XT (215-0807027)

GCN 2.0

Architecture

TeraScale 3

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

6.2 billion

Transistors

2.64 billion

438 mm²

Die Size

389 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.0

OpenCL

1.2

Vulkan

N/A

-

6.3

Shader Model

5.0

Related GPU Comparisons

1

AMD Radeon R9 290X2 vs NVIDIA GeForce GTS 450 OEM

2

AMD Radeon R9 290X2 vs AMD Radeon RX 6750 GRE

3

AMD Radeon R9 290X2 vs NVIDIA T1000 8 GB

4

AMD Radeon R9 290X2 vs NVIDIA GeForce GT 720 OEM

5

AMD Radeon R9 290X2 vs ATI Radeon HD 4670 AGP

6

AMD Radeon R9 290X2 vs AMD Radeon HD 7750

7

AMD Radeon R9 290X2 vs NVIDIA GeForce GTS 450

8

AMD Radeon R9 290X2 vs ATI FirePro V3750

9

AMD Radeon R9 290X2 vs NVIDIA GeForce GTX 570

10

AMD Radeon R9 290X2 vs ATI Radeon X1650 GT

Related News

1

Double the Excitement! AMD FSR 4.0 to Launch Alongside RX 9070 XT Graphics Card

2

CPU-Z Minor Update: Support for Intel's Four New Products and New Memory

3

CXMT Reportedly Achieves 80% Yield in DDR5 Production

4

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

5

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

6

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

7

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

8

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

9

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

10

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption