AMD Radeon HD 6990M vs NVIDIA GeForce GT 740M

VS

AMD Radeon HD 6990M NVIDIA GeForce GT 740M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6990M and 2GB VRAM GeForce GT 740M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990M 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 14.40GB/s)

736 additional rendering cores

NVIDIA GeForce GT 740M 's Advantages

Released 1 years and 11 months late

Lower TDP (33W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 6990M +112%

1.602 TFLOPS

GeForce GT 740M

0.753 TFLOPS

Radeon HD 6990M

VS

GeForce GT 740M

Graphics Card

Jul 2011

Release Date

Jun 2013

Vancouver

Generation

GeForce 700M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

115.2GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

-

14

Compute Units

-

1120

Shading Units

384

56

TMUs

32

ROPs

8

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

512 KB

Theoretical Performance

22.88 GPixel/s

Pixel Rate

7.840 GPixel/s

40.04 GTexel/s

Texture Rate

31.36 GTexel/s

-

FP16 (half)

-

1.602 TFLOPS

FP32 (float)

752.6 GFLOPS

-

FP64 (double)

31.36 GFLOPS

Graphics Processor

Blackcomb

GPU Name

GK208

Blackcomb XTX (216-0811030)

GPU Variant

GT 740M

TeraScale 2

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.7 billion

Transistors

1.02 billion

212 mm²

Die Size

87 mm²

Board Design

100W

TDP

33W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.5

5.0

Shader Model

5.1

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