Home GPU Comparison AMD Radeon HD 6870M vs NVIDIA GeForce GTX 880M

AMD Radeon HD 6870M vs NVIDIA GeForce GTX 880M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6870M and 8GB VRAM GeForce GTX 880M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870M 's Advantages
Lower TDP (50W vs 122W)
NVIDIA GeForce GTX 880M 's Advantages
Released 3 years and 2 months late
Boost Clock993MHz
More VRAM (8GB vs 1024GB)
Larger VRAM bandwidth (160.0GB/s vs 64.00GB/s)
736 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 6870M
1.08 TFLOPS
GeForce GTX 880M +182%
3.05 TFLOPS
VS

Graphics Card

Jan 2011
Release Date
Mar 2014
Vancouver
Generation
GeForce 800M
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
MXM-B (3.0)

Clock Speeds

-
Base Clock
954 MHz
-
Boost Clock
993 MHz
1000 MHz
Memory Clock
1250 MHz

Memory

1024MB
Memory Size
8GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
256bit
64.00GB/s
Bandwidth
160.0GB/s

Render Config

10
Compute Units
-
-
-
-
800
Shading Units
1536
40
TMUs
128
16
ROPs
32
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
16 KB (per SMX)
256 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

10.80 GPixel/s
Pixel Rate
31.78 GPixel/s
27.00 GTexel/s
Texture Rate
127.1 GTexel/s
-
-
-
1080 GFLOPS
FP32 (float)
3.050 TFLOPS
-
FP64 (double)
127.1 GFLOPS

Board Design

50W
TDP
122W
-
-
-
No outputs
Outputs
No outputs
-
Power Connectors
None

Graphics Processor

Granville
GPU Name
GK104
Granville XT (216-0769024)
GPU Variant
N15E-GX-A2
TeraScale 2
Architecture
Kepler
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
1.04 billion
Transistors
3.54 billion
166 mm²
Die Size
294 mm²

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
3.0
5.0
Shader Model
5.1

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