GeForce GT 330M vs Radeon HD 7870M
We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 330M and 2GB VRAM Radeon HD 7870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GT 330M 's Advantages
Lower TDP (23W vs 45W)
Radeon HD 7870M 's Advantages
Released 2 years and 3 months late
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (64.00GB/s vs 25.60GB/s)
592 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 330M
121
Radeon HD 7870M
+746%
1024
3DMark Time Spy
GeForce GT 330M
+145%
1733
Radeon HD 7870M
707
Graphics Card
Jan 2010
Release Date
Apr 2012
GeForce 300M
Generation
London
Mobile
Type
Mobile
MXM-A (3.0)
Bus Interface
PCIe 3.0 x16
Clock Speeds
800 MHz
Memory Clock
1000 MHz
Memory
1024MB
Memory Size
2GB
GDDR3
Memory Type
GDDR5
128bit
Memory Bus
128bit
25.60GB/s
Bandwidth
64.00GB/s
Render Config
-
Compute Units
10
6
SM Count
-
48
Shading Units
640
16
TMUs
40
8
ROPs
16
-
L1 Cache
16 KB (per CU)
64 KB
L2 Cache
256 KB
Theoretical Performance
4.600 GPixel/s
Pixel Rate
12.80 GPixel/s
9.200 GTexel/s
Texture Rate
32.00 GTexel/s
121.4 GFLOPS
FP32 (float)
1024 GFLOPS
-
FP64 (double)
64.00 GFLOPS
Board Design
23W
TDP
45W
No outputs
Outputs
No outputs
Graphics Processor
GT216
GPU Name
Heathrow
N11P-GE1-A3
GPU Variant
Heathrow XT
(216-0835033)
Tesla 2.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.486 billion
Transistors
1.5 billion
100 mm²
Die Size
123 mm²
Graphics Features
11.1 (10_1)
DirectX
12 (11_1)
3.3
OpenGL
4.6
1.1
OpenCL
1.2
N/A
Vulkan
1.2
1.2
CUDA
-
4.1
Shader Model
5.1