Home GPU Comparison AMD Radeon HD 7630M vs ATI Mobility Radeon HD 4650

AMD Radeon HD 7630M vs ATI Mobility Radeon HD 4650

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 7630M and 512MB VRAM Mobility Radeon HD 4650 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7630M 's Advantages
Released 3 years late
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (25.60GB/s vs 19.20GB/s)
160 additional rendering cores
Lower TDP (20W vs 35W)

Score

Benchmark

FP32 (float)
Radeon HD 7630M +35%
0.432 TFLOPS
Mobility Radeon HD 4650
0.32 TFLOPS
VS

Graphics Card

Jan 2012
Release Date
Jan 2009
London
Generation
M9x
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
800 MHz
Memory Clock
600 MHz

Memory

1024MB
Memory Size
512MB
DDR3
Memory Type
DDR2
128bit
Memory Bus
128bit
25.60GB/s
Bandwidth
19.20GB/s

Render Config

6
Compute Units
4
-
-
-
480
Shading Units
320
24
TMUs
32
8
ROPs
8
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
128 KB
-
-
-

Theoretical Performance

3.600 GPixel/s
Pixel Rate
4.000 GPixel/s
10.80 GTexel/s
Texture Rate
16.00 GTexel/s
-
-
-
432.0 GFLOPS
FP32 (float)
320.0 GFLOPS
-
-
-

Board Design

20W
TDP
35W
-
-
-
No outputs
Outputs
No outputs
-
-
-

Graphics Processor

Thames
GPU Name
M96
Thames LP
GPU Variant
-
TeraScale 2
Architecture
TeraScale
TSMC
Foundry
TSMC
40 nm
Process Size
55 nm
0.716 billion
Transistors
0.514 billion
104 mm²
Die Size
146 mm²

Graphics Features

11.2 (11_0)
DirectX
10.1 (10_1)
4.4
OpenGL
3.3
1.2
OpenCL
1.1
N/A
Vulkan
N/A
-
-
-
5.0
Shader Model
4.1

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