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GPU Comparison
AMD Radeon HD 6870M vs NVIDIA GeForce GT 120M Mac Edition
AMD Radeon HD 6870M vs NVIDIA GeForce GT 120M Mac Edition
VS
AMD Radeon HD 6870M
NVIDIA GeForce GT 120M Mac Edition
We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6870M and 256MB VRAM GeForce GT 120M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6870M 's Advantages
Released 2 years and 1 months late
More VRAM (1024GB vs 256GB)
Larger VRAM bandwidth (64.00GB/s vs 25.34GB/s)
768 additional rendering cores
NVIDIA GeForce GT 120M Mac Edition 's Advantages
Lower TDP (14W vs 50W)
Score
Benchmark
FP32 (float)
Radeon HD 6870M
+1250%
1.08 TFLOPS
GeForce GT 120M Mac Edition
0.08 TFLOPS
Radeon HD 6870M
VS
GeForce GT 120M Mac Edition
Graphics Card
Jan 2011
Release Date
Dec 2008
Vancouver
Generation
GeForce 100M
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1000 MHz
Memory Clock
792 MHz
Memory
1024MB
Memory Size
256MB
GDDR5
Memory Type
GDDR3
128bit
Memory Bus
128bit
64.00GB/s
Bandwidth
25.34GB/s
Render Config
-
SM Count
4
10
Compute Units
-
800
Shading Units
32
40
TMUs
16
16
ROPs
8
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
-
256 KB
L2 Cache
32 KB
Theoretical Performance
10.80 GPixel/s
Pixel Rate
4.000 GPixel/s
27.00 GTexel/s
Texture Rate
8.000 GTexel/s
-
FP16 (half)
-
1080 GFLOPS
FP32 (float)
80.00 GFLOPS
-
FP64 (double)
-
Graphics Processor
Granville
GPU Name
G96C
Granville XT (216-0769024)
GPU Variant
-
TeraScale 2
Architecture
Tesla
TSMC
Foundry
TSMC
40 nm
Process Size
55 nm
1.04 billion
Transistors
0.314 billion
166 mm²
Die Size
121 mm²
Board Design
50W
TDP
14W
-
Suggested PSU
-
No outputs
Outputs
No outputs
-
Power Connectors
-
Graphics Features
11.2 (11_0)
DirectX
11.1 (10_0)
4.4
OpenGL
3.3
1.2
OpenCL
1.1
N/A
Vulkan
N/A
-
CUDA
1.1
5.0
Shader Model
4.0
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