AMD Radeon E8950 vs ATI Mobility Radeon HD 3870 X2

VS

AMD Radeon E8950

ATI Mobility Radeon HD 3870 X2

We compared two Mobile platform GPUs: 8GB VRAM Radeon E8950 and 512MB VRAM Mobility Radeon HD 3870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E8950 's Advantages

Released 7 years late

Boost Clock1000MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (192.0GB/s vs 54.40GB/s)

1728 additional rendering cores

Lower TDP (95W vs 110W)

Score

Benchmark

FP32 (float)

Radeon E8950 +870%

4.096 TFLOPS

Mobility Radeon HD 3870 X2

0.422 TFLOPS

Radeon E8950

VS

Mobility Radeon HD 3870 X2

Graphics Card

Sep 2015

Release Date

Sep 2008

Embedded

Generation

M8x

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

735 MHz

Base Clock

-

1000 MHz

Boost Clock

-

1500 MHz

Memory Clock

850 MHz

Memory

8GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

192.0GB/s

Bandwidth

54.40GB/s

Render Config

32

Compute Units

4

-

2048

Shading Units

320

128

TMUs

16

32

ROPs

16

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

256 KB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

10.56 GPixel/s

128.0 GTexel/s

Texture Rate

10.56 GTexel/s

4.096 TFLOPS

FP16 (half)

-

4.096 TFLOPS

FP32 (float)

422.4 GFLOPS

256.0 GFLOPS

FP64 (double)

84.48 GFLOPS

Board Design

95W

TDP

110W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Amethyst

GPU Name

M88

E8950

GPU Variant

-

GCN 3.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

5 billion

Transistors

0.666 billion

366 mm²

Die Size

192 mm²

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.0

OpenCL

N/A

1.2

Vulkan

N/A

-

6.3

Shader Model

4.1

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