AMD Radeon E8950 vs NVIDIA GeForce GT 640M Mac Edition

VS

AMD Radeon E8950

NVIDIA GeForce GT 640M Mac Edition

We compared two Mobile platform GPUs: 8GB VRAM Radeon E8950 and 512MB VRAM GeForce GT 640M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E8950 's Advantages

Released 2 years and 7 months late

Boost Clock1000MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (192.0GB/s vs 40.00GB/s)

1664 additional rendering cores

NVIDIA GeForce GT 640M Mac Edition 's Advantages

Lower TDP (32W vs 95W)

Score

Benchmark

FP32 (float)

Radeon E8950 +616%

4.096 TFLOPS

GeForce GT 640M Mac Edition

0.572 TFLOPS

Radeon E8950

VS

GeForce GT 640M Mac Edition

Graphics Card

Sep 2015

Release Date

Feb 2013

Embedded

Generation

GeForce 600M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

735 MHz

Base Clock

-

1000 MHz

Boost Clock

-

1500 MHz

Memory Clock

1250 MHz

Memory

8GB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

64bit

192.0GB/s

Bandwidth

40.00GB/s

Render Config

32

Compute Units

-

2048

Shading Units

384

128

TMUs

32

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

5.960 GPixel/s

128.0 GTexel/s

Texture Rate

23.84 GTexel/s

4.096 TFLOPS

FP16 (half)

-

4.096 TFLOPS

FP32 (float)

572.2 GFLOPS

256.0 GFLOPS

FP64 (double)

23.84 GFLOPS

Board Design

95W

TDP

32W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Amethyst

GPU Name

GK107

E8950

GPU Variant

N13P-GS

GCN 3.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5 billion

Transistors

1.27 billion

366 mm²

Die Size

118 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

6.3

Shader Model

5.1

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