Home GPU Comparison ATI Mobility Radeon HD 3450 vs AMD Radeon HD 6770M Mac Edition

ATI Mobility Radeon HD 3450 vs AMD Radeon HD 6770M Mac Edition

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 3450 and 512MB VRAM Radeon HD 6770M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6770M Mac Edition 's Advantages
Released 3 years late
More VRAM (512GB vs 256GB)
Larger VRAM bandwidth (57.60GB/s vs 6.400GB/s)
440 additional rendering cores

Score

Benchmark

FP32 (float)
Mobility Radeon HD 3450
0.04 TFLOPS
Radeon HD 6770M Mac Edition +1640%
0.696 TFLOPS
VS

Graphics Card

Jan 2008
Release Date
Jan 2011
M8x
Generation
Vancouver
Mobile
Type
Mobile
MXM-II
Bus Interface
MXM-A (3.0)

Clock Speeds

-
-
-
-
-
-
400 MHz
Memory Clock
900 MHz

Memory

256MB
Memory Size
512MB
DDR2
Memory Type
GDDR5
64bit
Memory Bus
128bit
6.400GB/s
Bandwidth
57.60GB/s

Render Config

2
Compute Units
6
-
-
-
40
Shading Units
480
4
TMUs
24
4
ROPs
8
-
-
-
-
-
-
-
L1 Cache
8 KB (per CU)
64 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

2.000 GPixel/s
Pixel Rate
5.800 GPixel/s
2.000 GTexel/s
Texture Rate
17.40 GTexel/s
-
-
-
40.00 GFLOPS
FP32 (float)
696.0 GFLOPS
-
-
-

Board Design

Unknown
TDP
35W
-
-
-
Portable Device Dependent
Outputs
No outputs
-
-
-

Graphics Processor

M82
GPU Name
Whistler
M82-SCE XT (216-0707011)
GPU Variant
Whistler XT (216-0810001)
TeraScale
Architecture
TeraScale 2
TSMC
Foundry
TSMC
55 nm
Process Size
40 nm
0.181 billion
Transistors
0.716 billion
67 mm²
Die Size
104 mm²

Graphics Features

10.1
DirectX
11.2 (11_0)
3.3
OpenGL
4.4
N/A
OpenCL
1.2
N/A
Vulkan
N/A
-
-
-
4.1
Shader Model
5.0

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