Home GPU Comparison AMD Radeon HD 8870M vs NVIDIA GeForce GTX 670MX

AMD Radeon HD 8870M vs NVIDIA GeForce GTX 670MX

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8870M and 3GB VRAM GeForce GTX 670MX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8870M 's Advantages
Released 6 months late
Boost Clock775MHz
Larger VRAM bandwidth (72.00GB/s vs 67.20GB/s)
NVIDIA GeForce GTX 670MX 's Advantages
More VRAM (3GB vs 2GB)
320 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 8870M
0.992 TFLOPS
GeForce GTX 670MX +16%
1.154 TFLOPS
VS

Graphics Card

Apr 2013
Release Date
Oct 2012
Solar System
Generation
GeForce 600M
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

725 MHz
Base Clock
-
775 MHz
Boost Clock
-
1125 MHz
Memory Clock
700 MHz

Memory

2GB
Memory Size
3GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
192bit
72.00GB/s
Bandwidth
67.20GB/s

Render Config

10
Compute Units
-
-
-
-
640
Shading Units
960
40
TMUs
80
16
ROPs
24
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per SMX)
256 KB
L2 Cache
384 KB
-
-
-

Theoretical Performance

12.40 GPixel/s
Pixel Rate
12.02 GPixel/s
31.00 GTexel/s
Texture Rate
48.08 GTexel/s
-
-
-
992.0 GFLOPS
FP32 (float)
1154 GFLOPS
62.00 GFLOPS
FP64 (double)
48.08 GFLOPS

Board Design

Unknown
TDP
75W
-
-
-
Portable Device Dependent
Outputs
No outputs
-
-
-

Graphics Processor

Venus
GPU Name
GK104
Venus XT (216-0846000)
GPU Variant
N13E-GR-A2
GCN 1.0
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.5 billion
Transistors
3.54 billion
123 mm²
Die Size
294 mm²

Graphics Features

12 (11_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.1 (1.2)
OpenCL
3.0
1.2.170
Vulkan
1.1
-
CUDA
3.0
6.5 (5.1)
Shader Model
5.1

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