AMD Radeon R7 260X vs AMD Radeon HD 6990

VS

We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 260X 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 R7 260X 's Advantages

Released 2 years and 7 months late

Lower TDP (115W vs 375W)

AMD Radeon HD 6990 's Advantages

Larger VRAM bandwidth (160.0GB/s vs 104.0GB/s)

640 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 260X

1.971 TFLOPS

Radeon HD 6990 +29%

2.55 TFLOPS

Radeon R7 260X

VS

Radeon HD 6990

Graphics Card

Oct 2013

Release Date

Mar 2011

Volcanic Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1625 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

104.0GB/s

Bandwidth

160.0GB/s

Render Config

-

SM Count

-

14

Compute Units

24

896

Shading Units

1536

56

TMUs

96

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

Theoretical Performance

17.60 GPixel/s

Pixel Rate

26.56 GPixel/s

61.60 GTexel/s

Texture Rate

79.68 GTexel/s

-

FP16 (half)

-

1.971 TFLOPS

FP32 (float)

2.550 TFLOPS

123.2 GFLOPS

FP64 (double)

637.4 GFLOPS

Graphics Processor

Bonaire

GPU Name

Antilles

Bonaire XTX (215-0839097)

GPU Variant

Antilles XT (215-0807027)

GCN 2.0

Architecture

TeraScale 3

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.08 billion

Transistors

2.64 billion

160 mm²

Die Size

389 mm²

Board Design

115W

TDP

375W

300 W

Suggested PSU

750 W

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

Outputs

1x DVI 4x mini-DisplayPort 1.2

1x 6-pin

Power Connectors

2x 8-pin

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.0

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

6.3

Shader Model

5.0

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