Home GPU Comparison AMD Radeon HD 6650A vs AMD Radeon HD 7770M

AMD Radeon HD 6650A vs AMD Radeon HD 7770M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6650A and 1024MB VRAM Radeon HD 7770M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7770M 's Advantages
Released 1 years late
Larger VRAM bandwidth (64.00GB/s vs 28.80GB/s)
32 additional rendering cores
Lower TDP (32W vs 45W)

Score

Benchmark

FP32 (float)
Radeon HD 6650A
0.576 TFLOPS
Radeon HD 7770M +19%
0.691 TFLOPS
VS

Graphics Card

Apr 2011
Release Date
Apr 2012
All-In-One
Generation
London
Mobile
Type
Mobile
MXM-A (3.0)
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
900 MHz
Memory Clock
1000 MHz

Memory

1024MB
Memory Size
1024MB
DDR3
Memory Type
GDDR5
128bit
Memory Bus
128bit
28.80GB/s
Bandwidth
64.00GB/s

Render Config

6
Compute Units
8
-
-
-
480
Shading Units
512
24
TMUs
32
8
ROPs
16
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

4.800 GPixel/s
Pixel Rate
10.80 GPixel/s
14.40 GTexel/s
Texture Rate
21.60 GTexel/s
-
-
-
576.0 GFLOPS
FP32 (float)
691.2 GFLOPS
-
FP64 (double)
43.20 GFLOPS

Board Design

45W
TDP
32W
-
-
-
No outputs
Outputs
No outputs
-
-
-

Graphics Processor

Onega
GPU Name
Chelsea
-
GPU Variant
Chelsea XT
TeraScale 2
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.716 billion
Transistors
1.5 billion
118 mm²
Die Size
123 mm²

Graphics Features

11.2 (11_0)
DirectX
12 (11_1)
4.4
OpenGL
4.6
1.2
OpenCL
1.2
N/A
Vulkan
1.2
-
-
-
5.0
Shader Model
5.1

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