Home GPU Comparison NVIDIA GeForce GTX 780M vs AMD Radeon HD 6990M Rebrand

NVIDIA GeForce GTX 780M vs AMD Radeon HD 6990M Rebrand

We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 780M and 1024MB VRAM Radeon HD 6990M Rebrand to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 780M 's Advantages
Released 1 years and 10 months late
Boost Clock797MHz
More VRAM (4GB vs 1024GB)
Larger VRAM bandwidth (160.0GB/s vs 70.40GB/s)
736 additional rendering cores
AMD Radeon HD 6990M Rebrand 's Advantages
Lower TDP (100W vs 122W)

Score

Benchmark

FP32 (float)
GeForce GTX 780M +91%
2.448 TFLOPS
Radeon HD 6990M Rebrand
1.28 TFLOPS
VS

Graphics Card

May 2013
Release Date
Jul 2011
GeForce 700M
Generation
Vancouver
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
MXM-B (3.0)

Clock Speeds

771 MHz
Base Clock
-
797 MHz
Boost Clock
-
1250 MHz
Memory Clock
1100 MHz

Memory

4GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
160.0GB/s
Bandwidth
70.40GB/s

Render Config

-
Compute Units
14
-
-
-
1536
Shading Units
800
128
TMUs
40
32
ROPs
16
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
8 KB (per CU)
512 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

25.50 GPixel/s
Pixel Rate
12.80 GPixel/s
102.0 GTexel/s
Texture Rate
32.00 GTexel/s
-
-
-
2.448 TFLOPS
FP32 (float)
1280 GFLOPS
102.0 GFLOPS
FP64 (double)
-

Board Design

122W
TDP
100W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
-

Graphics Processor

GK104
GPU Name
Broadway
N14E-GTX-A2
GPU Variant
Broadway XTX
Kepler
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
3.54 billion
Transistors
1.04 billion
294 mm²
Die Size
166 mm²

Graphics Features

12 (11_0)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
3.0
OpenCL
1.2
1.1
Vulkan
N/A
3.0
CUDA
-
5.1
Shader Model
5.0

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