AMD Radeon HD 8950 OEM vs AMD Radeon HD 6490

VS

AMD Radeon HD 8950 OEM AMD Radeon HD 6490

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 8950 OEM and 1024MB VRAM Radeon HD 6490 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8950 OEM 's Advantages

Released 1 years and 6 months late

Boost Clock925MHz

More VRAM (3GB vs 1GB)

Larger VRAM bandwidth (240.0GB/s vs 16.00GB/s)

1472 additional rendering cores

AMD Radeon HD 6490 's Advantages

Lower TDP (39W vs 200W)

Score

Benchmark

FP32 (float)

Radeon HD 8950 OEM +841%

3.315 TFLOPS

Radeon HD 6490

0.352 TFLOPS

Radeon HD 8950 OEM

VS

Radeon HD 6490

Graphics Card

Jan 2013

Release Date

Jul 2011

Sea Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

850 MHz

Base Clock

-

925 MHz

Boost Clock

-

1250 MHz

Memory Clock

500 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

DDR2

384bit

Memory Bus

128bit

240.0GB/s

Bandwidth

16.00GB/s

Render Config

-

SM Count

-

28

Compute Units

4

1792

Shading Units

320

112

TMUs

16

32

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

768 KB

L2 Cache

256 KB

Theoretical Performance

29.60 GPixel/s

Pixel Rate

4.400 GPixel/s

103.6 GTexel/s

Texture Rate

8.800 GTexel/s

-

FP16 (half)

-

3.315 TFLOPS

FP32 (float)

352.0 GFLOPS

828.8 GFLOPS

FP64 (double)

-

Graphics Processor

Tahiti

GPU Name

Redwood

Tahiti PRO (215-0821056)

GPU Variant

Redwood LE

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

4.313 billion

Transistors

0.627 billion

352 mm²

Die Size

104 mm²

Board Design

200W

TDP

39W

550 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 6-pin

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

5.1

Shader Model

5.0

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