AMD Radeon R9 295X2 vs AMD Radeon HD 8950 OEM

VS

AMD Radeon R9 295X2

AMD Radeon HD 8950 OEM

We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 295X2 and 3GB VRAM Radeon HD 8950 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 295X2 's Advantages

Released 1 years and 3 months late

More VRAM (4GB vs 3GB)

Larger VRAM bandwidth (320.0GB/s vs 240.0GB/s)

1024 additional rendering cores

AMD Radeon HD 8950 OEM 's Advantages

Boost Clock925MHz

Lower TDP (200W vs 500W)

Score

Benchmark

FP32 (float)

Radeon R9 295X2 +72%

5.733 TFLOPS

Radeon HD 8950 OEM

3.315 TFLOPS

Radeon R9 295X2

VS

Radeon HD 8950 OEM

Graphics Card

Apr 2014

Release Date

Jan 2013

Volcanic Islands

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

850 MHz

-

Boost Clock

925 MHz

1250 MHz

Memory Clock

1250 MHz

Memory

4GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

512bit

Memory Bus

384bit

320.0GB/s

Bandwidth

240.0GB/s

Render Config

44

Compute Units

28

-

2816

Shading Units

1792

176

TMUs

112

64

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

768 KB

-

Theoretical Performance

65.15 GPixel/s

Pixel Rate

29.60 GPixel/s

179.2 GTexel/s

Texture Rate

103.6 GTexel/s

-

5.733 TFLOPS

FP32 (float)

3.315 TFLOPS

716.7 GFLOPS

FP64 (double)

828.8 GFLOPS

Board Design

500W

TDP

200W

900 W

Suggested PSU

550 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

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

2x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Vesuvius

GPU Name

Tahiti

Vesuvius XT (215-0852022)

GPU Variant

Tahiti PRO (215-0821056)

GCN 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

6.2 billion

Transistors

4.313 billion

438 mm²

Die Size

352 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.0

OpenCL

1.2

Vulkan

1.2

-

6.3

Shader Model

5.1

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