AMD Radeon HD 6490M vs AMD Radeon HD 7650M
We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 6490M and 1024MB VRAM Radeon HD 7650M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7650M 's Advantages
Released 1 years late
More VRAM (1024GB vs 512GB)
320 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 6490M
0.256 TFLOPS
Radeon HD 7650M
+68%
0.432 TFLOPS
Graphics Card
Jan 2011
Release Date
Jan 2012
Vancouver
Generation
London
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
800 MHz
Memory Clock
800 MHz
Memory
512MB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
64bit
Memory Bus
128bit
25.60GB/s
Bandwidth
25.60GB/s
Render Config
2
Compute Units
6
-
-
-
160
Shading Units
480
8
TMUs
24
4
ROPs
16
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
8 KB (per CU)
128 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
3.200 GPixel/s
Pixel Rate
7.200 GPixel/s
6.400 GTexel/s
Texture Rate
10.80 GTexel/s
-
-
-
256.0 GFLOPS
FP32 (float)
432.0 GFLOPS
-
-
-
Board Design
Unknown
TDP
20W
-
-
-
Portable Device Dependent
Outputs
No outputs
-
-
-
Graphics Processor
Seymour
GPU Name
Thames
Seymour XTX S3
(216-0809024)
GPU Variant
Thames PRO
TeraScale 2
Architecture
TeraScale 2
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
0.37 billion
Transistors
0.716 billion
67 mm²
Die Size
104 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
