Radeon HD 6750M Mac Edition vs Radeon HD 6490M
We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 6750M Mac Edition and 512MB VRAM Radeon HD 6490M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 6750M Mac Edition Advantages
Larger VRAM bandwidth (50.82GB/s vs 25.60GB/s)
320 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 6750M Mac Edition
+124%
574
Radeon HD 6490M
256
Graphics Card
Apr 2011
Release Date
Jan 2011
Vancouver
Generation
Vancouver
Mobile
Type
Mobile
MXM-A (3.0)
Bus Interface
PCIe 2.0 x16
Clock Speeds
794 MHz
Memory Clock
800 MHz
Memory
512MB
Memory Size
512MB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
64bit
50.82GB/s
Bandwidth
25.60GB/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
4.784 GPixel/s
Pixel Rate
3.200 GPixel/s
14.35 GTexel/s
Texture Rate
6.400 GTexel/s
574.1 GFLOPS
FP32 (float)
256.0 GFLOPS
Board Design
35W
TDP
Unknown
No outputs
Outputs
Portable Device Dependent
Graphics Processor
Whistler
GPU Name
Seymour
Whistler PRO
(216-0810005)
(216-0810005)
GPU Variant
Seymour XTX S3
(216-0809024)
(216-0809024)
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
