Home GPU Comparison AMD Radeon HD 6770M Mac Edition vs AMD Radeon HD 6470M

AMD Radeon HD 6770M Mac Edition vs AMD Radeon HD 6470M

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 6770M Mac Edition and 512MB VRAM Radeon HD 6470M 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
Larger VRAM bandwidth (57.60GB/s vs 12.80GB/s)
320 additional rendering cores
AMD Radeon HD 6470M 's Advantages
Lower TDP (25W vs 35W)

Score

Benchmark

FP32 (float)
Radeon HD 6770M Mac Edition +210%
0.696 TFLOPS
Radeon HD 6470M
0.224 TFLOPS
VS

Graphics Card

Jan 2011
Release Date
Jan 2011
Vancouver
Generation
Vancouver
Mobile
Type
Mobile
MXM-A (3.0)
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
900 MHz
Memory Clock
800 MHz

Memory

512MB
Memory Size
512MB
GDDR5
Memory Type
DDR3
128bit
Memory Bus
64bit
57.60GB/s
Bandwidth
12.80GB/s

Render Config

6
Compute Units
2
-
-
-
480
Shading Units
160
24
TMUs
8
8
ROPs
4
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
8 KB (per CU)
256 KB
L2 Cache
128 KB
-
-
-

Theoretical Performance

5.800 GPixel/s
Pixel Rate
2.800 GPixel/s
17.40 GTexel/s
Texture Rate
5.600 GTexel/s
-
-
-
696.0 GFLOPS
FP32 (float)
224.0 GFLOPS
-
-
-

Board Design

35W
TDP
25W
-
-
-
No outputs
Outputs
No outputs
-
-
-

Graphics Processor

Whistler
GPU Name
Seymour
Whistler XT (216-0810001)
GPU Variant
Seymour XT (216-0810084)
TeraScale 2
Architecture
TeraScale 2
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
0.716 billion
Transistors
0.37 billion
104 mm²
Die Size
67 mm²

Graphics Features

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

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